Texas Instruments Laptop 51X User Manual

Maintenance Manual  
TM  
Extensa 51x Series  
Notebook Computers  
9811755-0001  
April 1996  
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Con t en t s  
1.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
1.2 . . . . Produ ct Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
1.3 . . . . In tern ation al Produ ct Version s . . . . . . . . . . . . . . . . . 1-2  
1.4 . . . . Produ ct Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2  
1.4.1 . . . Extern al Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5  
1.4.2 . . . Tou ch pad Poin tin g Device . . . . . . . . . . . . . . . . . . 1-6  
1.4.3 . . . Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6  
1.4.4 . . . Stan dard Power Featu res . . . . . . . . . . . . . . . . . . . 1-9  
1.4.5 . . . Preloaded Software. . . . . . . . . . . . . . . . . . . . . . . . 1-9  
1.4.6 . . . Notebook Expan sion Capabilities . . . . . . . . . . . . . 1-10  
1.5 . . . . Stan dard Test Featu res . . . . . . . . . . . . . . . . . . . . . . 1-10  
1.6 . . . . Notebook Assem blies an d Su bassem blies . . . . . . . . . 1-10  
2.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
2.3 . . . . In stallin g Notebook Option s . . . . . . . . . . . . . . . . . . 2-1  
2.4 . . . . In stallin g th e Battery Pack(s) . . . . . . . . . . . . . . . . . . 2-4  
Con ten ts  
iii  
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2.5.2 . . . In stallin g Extern al Parallel Prin ter . . . . . . . . . . . . 2-7  
2.5.5 . . . In stallin g Extern al Microph on e . . . . . . . . . . . . . . 2-10  
2.5.7 . . . In stallin g Extern al Au dio Ou tpu t Devices . . . . . . . 2-10  
2.6 . . . . In stallin g th e AC Power Adapter . . . . . . . . . . . . . . . 2-10  
2.7 . . . . In itial System Ch eckou t . . . . . . . . . . . . . . . . . . . . . . 2-11  
2.8 . . . . Con figu rin g th e System . . . . . . . . . . . . . . . . . . . . . . . 2-11  
2.9 . . . . Makin g Backu ps of System Software . . . . . . . . . . . . . 2-11  
2.10 . . . Loadin g Application Software . . . . . . . . . . . . . . . . . . 2-11  
3.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1  
3.2 . . . . Notebook Con trols an d In dicators . . . . . . . . . . . . . . . 3-1  
3.2.1 . . . Bu tton Switch es . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2  
3.2.2 . . . Cover Release Latch . . . . . . . . . . . . . . . . . . . . . . . 3-2  
3.2.3 . . . Tou ch pad Con trols . . . . . . . . . . . . . . . . . . . . . . . . 3-3  
3.2.4 . . . Keyboard Mode LEDs . . . . . . . . . . . . . . . . . . . . . . 3-3  
3.3.2 . . . In stallin g/ Rem ovin g PCMCIA Option s . . . . . . . . . 3-4  
3.3.3 . . . Com pu ter Hot Keys . . . . . . . . . . . . . . . . . . . . . . . 3-4  
3.3.4 . . . Respon din g to Low Battery Con dition s . . . . . . . . . 3-5  
3.3.6 . . . Rech argin g th e Battery Packs . . . . . . . . . . . . . . . . 3-5  
3.3.7 . . . Restorin g Missin g System Files . . . . . . . . . . . . . . 3-6  
3.3.8 . . . Rebu ildin g th e System Software . . . . . . . . . . . . . . 3-6  
4.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1  
4.2 . . . . Notebook Fu n ction al Description . . . . . . . . . . . . . . . . 4-1  
4.2.1 . . . Processor/ Mem ory Su bsystem s . . . . . . . . . . . . . 4-1  
iv Con ten ts  
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4.2.3 . . . Video Su bsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-4  
4.2.4 . . . Hard Disk Su bsystem . . . . . . . . . . . . . . . . . . . . . 4-5  
4.2.5 . . . Floppy Diskette Drive Su bsystem . . . . . . . . . . . . . 4-5  
4.2.6 . . . PCMCIA Su bsystem . . . . . . . . . . . . . . . . . . . . . . . 4-6  
4.2.7 . . . Power Su bsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-6  
5.1 . . . . Gen eral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1  
5.2 . . . . Overview of Fau lt Isolation Process . . . . . . . . . . . . . . 5-1  
5.3.2 . . . Trou blesh ootin g a Display Problem . . . . . . . . . . . 5-5  
5.3.4 . . . PCMCIA Modem Problem s . . . . . . . . . . . . . . . . . . 5-5  
5.3.5 . . . Fau lt Isolation Usin g Diagn ostics . . . . . . . . . . . . 5-6  
6.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1  
6.2 . . . . Preven tive Main ten an ce . . . . . . . . . . . . . . . . . . . . . . 6-1  
6.2.1 . . . Clean in g th e Com pu ter . . . . . . . . . . . . . . . . . . . . 6-1  
6.2.2 . . . Protectin g th e Disk Drives . . . . . . . . . . . . . . . . . . 6-2  
6.2.4 . . . Restorin g System Software . . . . . . . . . . . . . . . . . . 6-2  
6.3 . . . . Requ ired Tools an d Equ ipm en t . . . . . . . . . . . . . . . 6-3  
6.4 . . . . Notebook Field-Replaceable Parts an d Assem blies . . . 6-3  
6.4.1 . . . Display Assem bly . . . . . . . . . . . . . . . . . . . . . . . . . 6-3  
6.4.2 . . . System Base Assem bly. . . . . . . . . . . . . . . . . . . . . 6-5  
. . . . . . . Replacem en t Procedu res . . . . . . . . . . . . . . . . . . . . . 6-7  
6.5.5 . . . Rem ovin g/ Replacin g th e Floppy Disk Assem bly . 6-11  
6.5.6 . . . Rem ovin g/ Replacin g th e Hard Drive . . . . . . . . . . 6-11  
6.5.7 . . . Rem ovin g/ Replacin g DIMM Modu les . . . . . . . . . . 6-13  
Con ten ts  
v
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6.5.8 . . . Rem ovin g an d Replacin g th e Display Assem bly . . 6-13  
. . . . . . . or Con trast Board . . . . . . . . . . . . . . . . . . . . . . . . 6-13  
6.5.11 . . Rem ovin g/ Replacin g th e Sm art Battery Board  
. . . . . . . Con trol Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15  
. . . . . . . Board Assem bly . . . . . . . . . . . . . . . . . . . . . . . . . 6-15  
6.5.13 . . Rem ovin g/ Replacin g th e Main Board . . . . . . . . . . 6-15  
A
B
Self Test Error Messages  
A.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1  
B.1 . . . . In trodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1  
B.2 . . . . Startin g PC-Doctor . . . . . . . . . . . . . . . . . . . . . . . . . . B-1  
B.3 . . . . Mou se Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2  
B.4 . . . . PC-Doctor Men u s . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2  
B.4.1 . . . On lin e Help (?) . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2  
B.4.2 . . . Diagn ostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2  
B.4.4 . . . Hardware In fo Men u . . . . . . . . . . . . . . . . . . . . . . B-4  
B.4.5 . . . Utility Men u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4  
B.5 . . . . Qu ittin g PC-Doctor . . . . . . . . . . . . . . . . . . . . . . . . . . B-5  
vi Con ten ts  
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Preface  
In t rodu ct ion  
Th is m an u al provides in stallation , operation an d servicin g data for th e  
Exten sa 51x Series Notebook Com pu ters.  
In t en ded Au dien ce  
Th is m an u al is prim arily in ten ded for u se by qu alified service tech n ician s  
bu t con tain s in form ation u sefu l to n on -tech n ical u sers.  
Con t en t s  
Th is m an u al con tain s six section s an d m u ltiple referen ce appen dices  
in clu din g:  
Sect ion 1 : Gen eral Descript ion In trodu ces th e m ain featu res of th e  
n otebook fam ily; provides a list of ph ysical an d electrical specification s.  
Sect ion 2 : In st allat ion Describes h ow to u n pack, in stall option s an d  
cable u p th e n otebook com pu ter in a desktop en viron m en t.  
Sect ion 3 : Operat in g In st ru ct ion s Describes th e n otebook  
operatin g con trols an d in dicators an d m odes of operation .  
Sect ion 4 : Th eory of Operat ion — Describes detailed th eory of  
operation for Exten sa Series n otebooks.  
Sect ion 5 : Trou blesh oot in g Provides trou blesh ootin g procedu res for  
th e Exten sa 51x Series n otebooks.  
Sect ion 6 : Field Service — Provides corrective m ain ten an ce  
procedu res for th e n otebook com pu ter.  
Appen dix A: Self Test Error Messages  
Appen dix B: PC-Doct or Referen ce Dat a  
Preface vii  
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Ot h er Man u als Abou t t h e Syst em  
Th e followin g docu m en ts provide addition al in form ation related to th e  
Exten sa 51x Series:  
Ext en sa Series Not ebook Com pu t er Users Referen ce Man u al  
con tain s referen ce in form ation regardin g th e Exten sa Series Notebook  
Com pu ter software in clu din g th e TI cu stom u tilities.  
®
Win dows 9 5 Help (on lin e)  
PC-Doct or Help an d Tech n ical Referen ce (on lin e)  
Orderin g Part s an d Su pplies  
To order a copy of an y TI pu blication or to order option kits, spare parts or  
su pplies for you r system , con tact you r TI Reseller or:  
Teleph on e Toll-free: 1 -8 0 0 -TI TEXAS  
viii Preface  
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1
Gen eral Descript ion  
1 .1  
In t rodu ct ion  
Th is m an u al con tain s field an d factory level servicin g in form ation for th e  
Texas In stru m en ts Exten sa 51x Series of Notebook Com pu ters (Figu re  
1-1). Th is section provides a gen eral overview an d specification s for th e  
Exten sa 51x Series Notebook Com pu ters.  
Figu re1 -1 Ext en sa 5 1 x Series Not ebook Com pu t er  
1 .2  
Produ ct Models  
Th e two in itial offerin gs in th e 51x Series are differen tiated by th e software  
®
in stalled on th e system at th e factory. Th e Model 510 con tain s Win dows 95  
an d th e Model 515 in clu des Win dows 95 an d a variety of application s as  
su m m arized in Table 1-1. Each m odel m ay con tain eith er th e 540 m illion  
byte h ard disk drive (-00xx part n u m ber su ffix) or 810 m illion byte h ard  
drive (-01xx part n u m ber su ffix).  
Gen eral Description 1 -1  
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Table 1 -1 Ext en sa 5 1 x Series Not ebook Com pu t ers  
Model 5 1 0  
Model 5 1 5  
Win dows 95 Plu s Microsoft  
Works, Qu icken SE, Lotu s  
Organ izer, an d Microsoft  
En tertain m en t Pack  
U.S. Version  
Windows 95 or Windows  
for Workgrou ps  
Non U.S. Versions  
Windows 95  
1 .3  
In t er n at ion al Produ ct Version s  
Th e Exten sa 51x Series Notebooks are available in on e of 15 dom estic an d  
in tern ation al con figu ration s as listed in Table 1-2.  
Table 1 -2 Not ebook Dom est ic/ In t ern at ion al Con figu rat ion s  
Con figu rat ion  
P/ N Su ffix  
Con figu rat ion  
P/ N Su ffix  
Dom estic  
UK  
-0001  
-0002  
-0003  
-0004  
-0005  
-0006  
-0007  
-0008  
-0009  
Swedish  
-0010  
-0011  
-0012  
-0013  
-0014  
-0015  
-0016  
-0017  
-0018  
-0019  
Swiss/ Fren ch  
Dan ish  
Germ an  
Fren ch  
Norwegian  
Fin ish  
Span ish  
Swiss/ Germ an  
Italian  
Belgiu m  
Au strian  
Portu gu ese  
Western Eu ropean  
Asia Pacific  
Latin Am erican  
Ch in ese  
1 .4 Produ ct Overview  
All m em bers of th e Exten sa 51x Series are h igh perform an ce n otebooks  
powered by th e 100 MHz Pen tiu m processor an d Win dows 95 Operatin g  
System software. As a stan dard featu re, all m em bers of th e Exten sa 51x  
fam ily also con tain th e followin g featu res:  
8 MB of EDO RAM m em ory (u ser-expan dable to 40 MB)  
128 bytes of battery-backed u p CMOS RAM  
1 MB of video RAM  
1 -2 Gen eral Description  
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540 or 810 Million Byte Hard Drive (u ser replaceable)  
Su pport for two PCMCIA Type I or II option s or on e Type III PCMCIA  
option card  
Ergon om ic keyboard with palm rest (2.7 m m travel); bu ilt-in tou ch pad  
poin tin g device  
Most stan dard extern al device in terfaces in clu din g serial, parallel,  
®
PS/ 2 , an d extern al VGA .  
3.5-in ch , 1.44 MB Floppy Drive  
10.4 in ch Du al Scan Color LCD  
AC Adapter with au tosen sin g (100 VAC to 240 VAC, 50 to 60 Hz); 34  
Watts of DC ou tpu t power  
10.8 Volt, 2400 m AH capacity, Nickel-Metal Hydride (NiMH); Stan dard  
Du racell DR35 battery pack  
Bu ilt-in m on au ral speaker with ESS1688 sou n d solu tion  
Th ree au dio jacks: Lin e-In , Lin e-Ou t, an d Microph on e-In .  
Gen eral Description 1 -3  
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Cover Release  
Button  
Five Status  
LEDs  
Primary Battery Pack  
(Accessible from Right Side)  
Standby/Suspend  
Button  
Speaker  
Setup  
Button  
Touchpad  
Pointing Device  
Power On/Off  
Button  
Touchpad  
Select Buttons  
Type I /11 or III  
PCMCIA Slot  
Hard Drive  
(Accessible from Underneath)  
Hard Drive  
Cover  
HDD Release  
Latches  
Audio Line/Mic  
Jacks  
Primary Battery  
Cover  
VGA, Serial  
and Parallel  
Connector  
Door  
PS/2  
Connector  
Power In  
Connector  
Floppy Drive  
Assembly  
Figu re 1 -2 Ext en sa 5 1 x Series Feat u res  
1 -4 Gen eral Description  
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1 .4 .1  
Ext ern al Port s  
As sh own in Figu re 1-3, th e n otebook com pu ter con tain s th e followin g  
extern al ports:  
9-Pin Serial Port for attach in g an y RS-232 type serial device to th e  
Notebook  
25-Pin Parallel Port for attach in g bidirection al parallel devices  
Au dio Lin e-In , Lin e-Ou t, an d Microph on e-In  
15-Pin Extern al VGA Mon itor Port for attach in g an extern al m on itor  
6-Pin PS/ 2 Port to attach an extern al Keyboard or Mou se  
AC Adapter Con n ector for attach in g th e AC Adapter to th e n otebook  
Audio Line  
Output  
External  
Microphone  
Input  
Audio Line  
Input  
Parallel  
Port  
Serial  
Port  
AC Adapter  
Connector  
External VGA  
Port  
External PS/2  
Port (Mouse/Keyboard  
Port)  
Figu re 1 -3 Not ebook Ext ern al Port s  
Gen eral Description 1 -5  
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1 .4 .2  
Tou ch pad Poin t in g Device  
All m em bers of th e Exten sa fam ily featu re a bu ilt-in tou ch pad poin tin g  
device located n ear th e cen ter of th e keyboard palm rest. With ligh t pressu re,  
th e cu rsor can qu ickly be position ed to th e desired poin t; a qu ick dou ble tap  
on th e tou ch pad an d you h ave selected an object. Two select bu tton s  
(switch es) are located alon g th e fron t edge of th e n otebook  
.
Touchpad  
Pointing Device  
Select Buttons  
Figu re1 -4 Ext en sa Tou ch pad  
1 .4 .3  
Keyboard  
Th e Exten sa Series Keyboard is an IBM en h an ced-type keyboard with th e  
stan dard ch aracter an d fu n ction keys plu s 12 program m able fu n ction keys  
(F1 th rou gh F12).  
Usin g th e Special Fu n ction (Fn ) key wh ich assign s m u ltiple fu n ction s to  
keys, th e keyboard can em u late th e IBM 101/ 102 keyboards.  
Th e keyboard featu res a special keyboard in terface ch ip th at can detect  
m u ltiple levels of key in pu t (good sim u lation of N-key rollover for u p to 10  
keys).  
Som e of th e m ajor featu res of th e keyboard in clu de:  
In tegrated n u m eric keypad  
1 -6 Gen eral Description  
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"In verted T" Cu rsor Con trol Key layou t  
Th e n otebook keyboard is available in th e followin g version s:  
U.S. En glish Keyboard, TI Part No. 9811398-0001- Th is version (also  
kn own as th e dom estic version ) is gen erally u sed in th e Un ited States  
an d Can ada.  
In tern ation al version s in clu de:  
Un ited Kin gdom Keyboard, TI Part No. 9811398 -0002  
Germ an Keyboard, TI Part No. 9811398 -0003  
Fren ch Keyboard, TI Part No. 9811398 -0004  
Span ish Keyboard, TI Part No. 9811398 -0005  
Swiss Keyboard, TI Part No. 9811398 -0006  
Italian Keyboard, TI Part No. 9811398 -0007  
Portu gu ese Keyboard, TI Part No. 9811398 -0009  
Swedish Keyboard, TI Part No. 9811398 -0010  
Den m ark Keyboard, TI Part No. 9811398 -0012  
Norwegian Keyboard; TI Part No. 9811398 -0013  
Belgiu m Keyboard, TI Part No. 9811398 -0014  
Fin ish Keyboard, TI Part No. 9811398 -0015  
Not e: Th e Extens a Series Notebook Computer Users Reference Ma nua l con -  
tain s description s of keyboard special fu n ction keys. A six-pin Min i-DIN con -  
n ector can attach to eith er an extern al PS/ 2 keyboard (or 101 Keyboard via  
an adapter), PS/ 2 Mou se, or th e option al PS/ 2 Nu m eric Keypad.  
n
Gen eral Description 1 -7  
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F 1 1  
Pause  
F12  
Break  
Esc  
F1  
F 2  
F6  
F7  
F8  
F9  
F10  
Pg  
D
n
F 3  
F 4  
F 5  
Delete  
PgDn  
Insert  
NumLock  
PrtSc  
SysRq  
ScrLock  
@
2
%
5
&
7
7
^
8
0
9
6
1
3
4
8
9
{
[
}
]
E
I
W
R
O
Q
P
T
U
Y
4
5
6
A
Caps  
Lock  
S
D
F
G
K
H
J
Enter  
L
2
3
1
Shift  
F n  
Shift  
X
B
M
Z
C
V
N
0
0
E
n d  
H o m  
e
Alt  
Ctrl  
Figu re1 -5 Ext en sa Keyboard  
1 .4 .3 .1  
Con t rols an d In dicat ors  
As sh own in Figu re 1-6, Exten sa Series Notebook Com pu ters con tain a set  
of th ree bu tton s (switch es) an d five LED displays ju st above th e keyboard  
in clu din g:  
Power, Set u p, an d St an dby/ Su spen d Bu t t on s (Swit ch es)  
Sleep Mode In dicator. Th is LED ligh ts wh en th e n otebook is in Sleep  
Mode.  
Hard Drive Activity In dicator. Th is LED ligh ts wh en th e n otebook is  
accessin g th e h ard drive (read or write).  
Nu m Lock in dicator. Th is LED ligh ts wh en you press th e Nu m Lk key to  
toggle on th e n u m eric keypad lock fu n ction . Wh en th e LED is On , th e  
em bedded n u m eric keyboard keys gen erate AT keypad ch aracters an d  
fu n ction s wh en pressed in con ju n ction with th e Sh ift key. Wh en th e  
in dicator is Off, pressin g th e Fn key with th e appropriate keys provides  
cu rsor m ovem en t, pagin g an d oth er fu n ction s in th e n orm al m ode.  
Caps Lock in dicator. Th is LED in dicates th at th e keyboard is locked in  
th e u ppercase m ode. To switch to th e lowercase m ode, press th e Caps  
Lock key.  
Scroll Lock in dicator. Th is LED ligh ts to in dicate th at th e keyboard is  
locked in th e scroll m ode.  
St an dby In dicator. Ligh ts wh en Notebook is in Stan dby m ode.  
1 -8 Gen eral Description  
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Caps  
Lock  
Scroll  
Lock  
Num  
Lock  
Hard Drive  
Activity  
Status  
LEDs  
Sleep  
M o d e  
Touchpad  
Pointing Device  
Standby/Suspend  
Button  
Setup Button  
Charging  
LED  
Power  
LED  
Touchpad  
Select Buttons  
Power On/Off  
Button  
Figu re1 -6 Ext en sa Series Con t rols an d In dicat ors  
1 .4 .4  
St an dard Power Feat u res  
Notebook power for th e Exten sa 51x Series Notebook Com pu ters is provided  
by an AC Adapter an d a rech argeable 10.8 V, 2400 m Ah Du racell DR35  
n ickel m etal h ydride (NiMH) battery pack th at in stalls in a bay n ear th e  
fron t of th e n otebook (righ t side).  
All m em bers of th e Exten sa 51x fam ily featu re a powerfu l Power  
Man agem en t su bsystem (h ardware an d software) th at provides lon ger  
portable operation an d protection of files du rin g low battery con dition s.  
1 .4 .5  
Preloaded Soft ware  
All m em bers of th e Exten sa 51x Notebook fam ily are preloaded with th e  
Win dows 95 Operatin g System . In addition , th e Exten sa Model 515 is  
sh ipped from th e factory with th e followin g software application packages  
in stalled on th e h ard drive:  
Gen eral Description 1 -9  
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Microsoft Works  
Qu icken SE  
Lotu s Organ izer  
Microsoft En tertain m en t Pack No. 4  
1 .4 .6  
Not ebook Expan sion Capabilit ies  
Expan sion capabilities bu ilt in to th e Exten sa n otebook series in clu de:  
User in stallable expan sion RAM m em ory (to a m axim u m of 40 MB);  
n otebook accepts eith er fastpage m ode or EDO RAM m odu les.  
A Cable-Con n ect PS/ 2 Nu m eric Keypad option , TI Part No.  
2581381-0001, can be attach ed to th e extern al PS/ 2 Port.  
A parallel device can be attach ed to th e n otebooks extern al 25-pin  
parallel port (EPP/ ECP com patible).  
Serial RS-232 Port for attach in g an y serial device  
Extern al VGA Port for drivin g an extern al color m on itor  
Th ird Party Extern al PS/ 2 keyboard (or extern al m ou se)  
Th ree au dio jacks (lin e-in / ou t an d m icroph on e in )  
1 .5  
St an dard Test Feat u res  
Th e Exten sa Series Notebook Com pu ters u se m odu lar design an d bu ilt-in  
test featu res to redu ce th e m ean tim e to repair. A power on self test  
au tom atically verifies th e operation al state of th e prim ary circu its an d a  
powerfu l su ite of diagn ostic tests are available to fu rth er test selected parts  
of th e system .  
1 .6 Not ebook Assem blies an d  
Su bassem blies  
Th e Exten sa Series Notebooks are m odu lar in design an d can be  
disassem bled for m ain ten an ce pu rposes u sin g a stan dard set of flat-bladed,  
Ph illips-h ead an d h exagon al screwdrivers. Th e m ajor assem blies th at  
com prise a typical n otebook in th e Exten sa fam ily are sh own in Figu re 1-7  
an d briefly described in th e followin g paragraph s.  
1 -1 0 Gen eral Description  
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Memory  
Expansion  
Sockets  
Floppy Drive  
Assembly  
Charger/Power  
Supply Board  
Display  
Assembly  
Speaker  
Assembly  
LED/Switch  
Board  
Assembly  
Top Case  
Assembly  
TouchPad  
Assembly  
Main  
Board  
Assembly  
Battery  
Board  
Pentium  
CPU  
Hard Drive Assembly  
Hard Drive  
Cover  
Hard Drive  
Outer Cover  
Battery End  
Cover  
Battery  
Pack  
Floppy Drive  
Assembly  
Bottom View  
Figu re 1 -7 Not ebook Assem blies  
1 .6 .1  
Cover-Display Assem bly  
Th e Cover -Display Assem bly con tain s th e LCD screen an d associated h igh  
voltage power su pply an d video circu itry. Th e Cover -Display Assem bly  
con tain s several field-replaceable com pon en ts in clu din g:  
LCD Assem bly  
Cable Assem blies  
In verter Board  
Con trast Board  
Gen eral Description 1 -1 1  
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Th e Display Assem bly attach es to th e System Base Assem bly th rou gh fou r  
top m ou n ted screws.  
1 .6 .2  
Syst em Base Assem bly  
As sh own in Figu re 1-7, th e m ajority of th e n otebooks field-replaceable  
u n its (FRUs) are located in th e system base assem bly. Th ese FRUs in clu de:  
Main Board Assem bly  
Hard Disk Drive Assem bly  
Up to two Du al In lin e Mem ory Modu les  
Floppy Drive Assem bly  
Power Su pply Board Assem bly  
Battery Board Assem bly  
Battery Pack Assem bly  
Top Case Assem bly  
Tou ch pad Assem bly  
Keyboard Assem bly (rem oved in Figu re 1-7 for clarity)  
Battery Board Assem bly  
1 .7  
Ext en sa 5 1 x Series Not ebook  
Specificat ion s  
Specification s for th e Exten sa 51x Series Notebooks are provided in Table  
1-3.  
1 -1 2 Gen eral Description  
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Table 1 -3 Ext en sa 5 1 x Not ebook Feat u res  
Model 5 1 0  
Specificat ion s  
Model 5 1 5  
Mem ory:  
St an dard  
:
8 MB  
8 MB  
Maxim u m  
Display  
40 MB  
40 MB  
LCD Type:  
10.4" Du al Scan Color  
Yes  
10.4" Du al Scan Color  
Yes  
Sim u lt an eou s LCD/ Ext .  
VGA  
Video RAM Size:  
1 MB  
1 MB  
Video Bu s  
VLBUS with Graph ics Accelerator  
VLBUS with Graph ics  
Accelerator  
Keyboard/ Poin t Device  
Ergon om ic Keyboard  
Yes  
Yes  
Yes  
Yes  
Bu ilt -In Tou ch pad  
St orage  
Floppy Drive  
:
3.5", 1.44 MB  
3.5", 1.44 MB  
Hard Drive  
In t erfaces  
:
540 or 810 Million Byte  
540 or 810 Million Byte  
Serial (RS-2 3 2 ) Port  
Parallel Port  
Yes  
Yes  
Yes  
Yes  
(EPP/ ECP),  
Yes  
Ext ern al VGA Port  
Yes  
Yes  
Ext ern al PS/ 2 Port  
PCMCIA Su pport  
Yes  
Yes  
Type I/ II/ III  
Type I/ II/ III  
Soft ware  
U.S. Version  
Non -U.S. Version s  
on ly (In tern ation al Load)  
: Du al Load  
Win dows 95, plu s  
application software  
(Refer to Table 1-1)  
: Win dows 95  
Ph ysical Ch aract erist ics  
297 m m (L) x 45.5 m m (H) x 215  
m m (W)  
297 m m (L) x 45.5 m m (H) x  
215 m m (W)  
Dim en sion s  
Weigh t  
:
11.7" (L) x 1.7" (H) x 8.2" (W)  
Approx. 5.9 lbs. (2.68 kg)*  
11.7" (L) x 1.7" (H) x 8.2" (W)  
Approx. 5.9 lbs. (2.68 kg)*  
* Weigh t specification s do n ot in clu de AC Adapter  
Gen eral Description 1 -1 3  
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1 .8 Agen cy Approvals  
All Exten sa 51x Series produ cts meet th e followin g stan dards:  
Un derwriters Lab (UL) Stan dard 1950 (safety)  
Un derwriters Lab (UL), CN Listed (C22.2 No. 950) (safety)  
EN60950, TUV Rh ein lan d (safety)  
FCC CFR 47, Part 15, Su bpart J , FCC Level B (EMI/ RFI )  
Can adian Departm en t of Com m u n ication s (DOC) ICES Class B  
(EMI/ RFI)  
CISPR-22/ EN55022 Class B (EMI/ RFI)  
CE Mark  
1 -1 4 Gen eral Description  
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2
In st allat ion  
2 .1  
In t rodu ct ion  
Th is section con tain s u n packin g an d preparation for u se in stru ction s for  
th e Exten sa 51x Series Notebook Com pu ters.  
2 .2  
Un pack in g In st ru ct ion s  
Th e packagin g diagram for th e n otebook com pu ter is sh own in Figu re 2-1.  
Un pack th e com pu ter u sin g th e followin g in stru ction s:  
1. Carefu lly cu t th e tape th at seals th e top flap of th e sh ippin g carton .  
2. Rem ove th e com pu ter an d th e accessories from th e m ain sh ippin g  
carton .  
3. Rem ove all protective coverin gs from th e com pu ter.  
4 . Rem ove th e h oldin g tape an d open u p th e accessory box; rem ove th e  
con ten ts.  
Not e: Save th e sh ippin g con tain ers an d packagin g for later reu se.  
n
2 .3  
In st allin g Not ebook Opt ion s  
If you h ave n o option s to in stall at th is tim e, skip to Paragraph 2.3.  
Oth erwise, con tin u e with Paragraph 2.3.1.  
2 .3 .1  
In st allin g Du al In lin e Mem ory Modu le(s)  
Not e: If n ot in stallin g RAM Expan sion option at th is tim e, skip to th e n ext  
n
c
paragraph .  
Ca u tion : Th e Du a l In lin e Mem or y Mod u le con ta in s com p on en ts th a t a r e  
sen sitive to sta tic electr icity. Wh en h a n d lin g th e m od u le a n d th e in ter -  
n a l p a r ts of th e com p u ter, p r otect a ga in st sta tic electr icity by u sin g  
w r ist or a n k le gr ou n d in g str a p s a n d gr ou n d ed w or k in g m a ts. Wh en m ov-  
in g or stor in g item s, u se th e a n ti-sta tic ba gs su p p lied w ith th e item s.  
1. En su re th at th e n otebook is powered off an d th at th e AC Adapter an d  
in tern al battery pack is rem oved from th e n otebook.  
2. Rem ove th e DIMM m odu le(s) from its sh ippin g con tain er.  
In stallation 2 -1  
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3. Release th e Keyboard by pu llin g th e keyboard release tabs forward  
(tabs are located u n dern eath th e Ctrl an d righ t arrow keys).  
4. Disen gage th e Keyboard u sin g a straigh t blade screwdriver an d gen tly  
liftin g u p alon g th e fron t edge of th e keyboard.  
5. Usin g th e back edge of th e keyboard as a h in ge, lift th e fron t edge of  
th e keyboard u p an d lay it again st th e display.  
6 . In sert th e edge of th e DIMM Board in to th e lower con n ector (refer to  
Figu re 2-1). Use a rockin g m otion to fu lly in sert th e m odu le. Pu sh  
down ward on each side of th e DIMM m odu le u n til it sn aps in place.  
7. Repeat th e procedu re in Step 6 (u pper con n ector) to in stall th e secon d  
DIMM m odu le.  
8. Replace th e keyboard assem bly an d an y oth er com pon en ts rem oved in  
Step 1.  
Th is com pletes th e expan sion m em ory m odu le in stallation procedu re.  
1
Slide Keyboard Release  
Tabs toward front of  
notebook.  
Using a small  
flat blade screwdriver,  
gently pry keyboard up  
along the front edge.  
2
Tilt the keyboard back  
against the display  
Insert the SIMM modules  
into the two Main Board  
memory connectors  
Figu re 2 -1 In st allin g Addit ion al Mem ory  
2 -2 In stallation  
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2 .3 .2  
In st allin g PCMCIA Opt ion s  
Th e Notebook h as provision s for two Type I/ Type II or on e Type III PCMCIA  
option card. Use th e followin g procedu re to in stall a PCMCIA option :  
1. Review th e in stallation in stru ction s su pplied with th e PCMCIA option  
card(s).  
2. Open th e PCMCIA com partm en t cover on th e left side of th e n otebook.  
3. To in sert a PCMCIA card, align th e card with th e socket an d slide th e  
card in to th e socket u n til it locks in to place.  
4. To eject a PCMCIA card, first en su re th at th e n otebook is n ot accessin g  
th e m em ory card or device. Un der Win dows 95, go to th e Con trol  
Pan el, PC Card, an d direct th e card to stop before rem ovin g card.  
PCMCIA  
Connector  
Door  
Figu re 2 -2 In st allin g PCMCIA Opt ion s  
In stallation 2 -3  
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2 .3 .3  
In st allin g t h e Opt ion al Nu m eric Keypad  
An option al n u m eric keyboard can be attach ed to th e n otebook via th e  
n otebook PS/ 2 con n ector as sh own in Figu re 2-3.  
External PS/2  
Port (Mouse/Keyboard  
Port)  
External Numeric Keypad  
Option  
Figu re 2 -3 In st allin g t h e Nu m eric Keypad opt ion  
2 .4 In st allin g t h e Bat t ery Pack (s)  
Th e stan dard con figu ration of th e Exten sa Notebook is equ ipped with a  
sin gle battery pack th at is in serted from th e fron t righ t side of th e com pu ter.  
To rem ove or replace th e battery pack, follow th e steps below.  
1. Power off th e n otebook, bein g su re to save you r data first.  
2. Locate th e battery door (righ t side of n otebook n ear th e fron t). Press  
th e battery door in ward an d slide th e door toward th e fron t of th e  
n otebook; rem ove th e battery door.  
3. In sert a n ew or rech arged battery pack in to th e battery com partm en t  
bay. Make su re th at th e con tacts are facin g u p an d to th e rear of th e  
com partm en t. Ch eck th e label (facin g u p wh en in serted) in dicatin g  
th e positive an d n egative poles of th e battery.  
2 -4 In stallation  
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Ca u tion : Th er e is d a n ger of exp losion if th e ba tter y is in cor r ectly r e-  
p la ced . Rep la ce th e ba tter y on ly w ith th e sa m e or a n equ iva len t typ e  
r ecom m en d ed by th e m a n u fa ctu r er. Disca r d u sed ba tter ies a ccor d in g to  
th e m a n u fa ctu r er s in str u ction s.  
c
2 .5  
In st allin g Ext er n al Devices  
Most extern al devices con n ect to th e Notebook via th e con n ectors on th e  
rear of th e n otebook (refer to Figu re 2-4 for port assign m en ts).  
Audio Line  
Output  
External  
Microphone  
Input  
Audio Line  
Input  
Parallel  
Port  
Serial  
Port  
AC Adapter  
Connector  
External VGA  
Port  
External PS/2  
Port (Mouse/Keyboard  
Port)  
Figu re 2 -4 Ext en sa Port Assign m en t s  
In stallation 2 -5  
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2 .5 .1  
In st allin g an Ext ern al Keyboard/ Mou se  
As sh own in Figu re 2-5, th e n otebook h as provision s for two extern al PS/ 2  
com patible devices (keyboard, m ou se, etc.) th at m ay be attach ed to th e  
n otebook. Th e pin ou ts for th e 6-pin Min i-DIN con n ectors are also provided  
in Figu re 2-6.  
Figu re 2 -5 PS/ 2 Port Assign m en t s/ Pin ou t s  
To in stall an extern al keyboard or extern al PS/ 2 m ou se on th e n otebook,  
u se th e followin g procedu re:  
1. En su re th at th e n otebook is powered off.  
2. Locate th e extern al PS/ 2 port at th e rear of th e n otebook (refer to  
Figu re 2-5).  
3. Attach th e PS/ 2 cable from you r m ou se an d/ or keyboard cable to th e  
PS/ 2 port.  
4. Power on an y oth er periph eral devices you m ay h ave con n ected to th e  
n otebook, an d th en power u p th e n otebook.  
2 -6 In stallation  
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2 .5 .2  
In st allin g Ext ern al Parallel Prin t er  
Th e Notebook is equ ipped with a bidirection al, ECC/ EPP com patible, 25-pin  
parallel prin ter port. Th e con n ector pin ou ts an d con n ector location are  
sh own in Figu re 2-6.  
If you will be u sin g a parallel in terface, con n ect th e 25-pin m ale con n ector  
of you r prin ter cable to th e 25-pin fem ale parallel port on you r n otebook.  
Refer to th e m an u al wh ich accom pan ied you r prin ter for in stru ction s on  
con figu rin g you r operatin g en viron m en t  
Figu re 2 -6 Parallel Port Locat ion / Pin ou t s  
In stallation 2 -7  
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2 .5 .3  
In st allin g Ext ern al Serial Port Device  
Th e n otebook con tain s an RS-232 serial port with a m ale DB-9 con n ector as  
sh own in Figu re 2-7. Th e serial ports are u sed to in tercon n ect su ch devices  
as:  
Extern al Modem  
Serial Prin ter  
An y device th at u ses an RS-232 in terface  
To con n ect a prin ter to th e n otebook, en su re th at both th e n otebook an d th e  
prin ter are tu rn ed off.  
Ca u tion : Never con n ect a p a r a llel d evice to a ser ia l p or t or a ser ia l d e-  
vice to a p a r a llel p or t or vid eo p or t; th is m a y ca u se d a m a ge to th e  
Notebook a n d /or p er ip h er a l d evice. If you a r e u n cer ta in of w h a t typ e  
con n ector th e exter n a l d evice h a s, r efer to th e tech n ica l m a n u a l for th e  
exter n a l d evice.  
c
SERIAL PORT PINOUTS  
PIN  
SIGNAL  
1
2
3
4
5
6
7
8
9
DCD (CARRIER DETECT)  
RXD (RECEIVE DATA)  
TXD TRANSMIT DATA)  
DTR (DATA TERMINAL READY)  
GND (GROUND)  
DSR (DATA SET READY)  
RTS (REQUEST TO SEND)  
CTS (CLEAR TO SEND)  
RI (RING INDICATOR)  
4
1
2
3
5
7
9
6
8
Figu re 2 -7 Serial Port Locat ion / Pin ou t s  
2 -8 In stallation  
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2 .5 .4  
In st allin g Ext ern al VGA Mon it or  
Th e n otebook is capable of drivin g both its in tern al LCD display an d an  
extern al VGA m on itor (LCD on ly, sim u ltan eou s, or VGA on ly). Th e extern al  
m on itor con n ector pin ou ts an d con n ector location s are sh own in Figu re 2-8.  
To in stall an extern al m on itor with th e n otebook, u se th e followin g steps:  
1. En su re th at both th e n otebook an d th e extern al m on itor are tu rn ed  
off.  
2. Locate th e 15-pin fem ale VGA port on th e rear of th e n otebook.  
3. Attach th e appropriate en d of th e m on itor cable to th e VGA port on  
you r n otebook. If th e m on itor cable con n ectors h ave retain in g screws,  
tigh ten th em down .  
4. If n ecessary, con n ect th e m on itor power cable to th e m on itor, an d  
plu g th e m on itor power cable in to an electrical ou tlet.  
5. Power on th e m on itor, as well as an y oth er periph eral devices  
con n ected to th e n otebook; th en power u p th e n otebook.  
4
5
1
2
3
9
6
10  
8
7
15 14 13 12 11  
EXTERNAL VGA CONNECTOR PINOUTS  
PIN  
SIGNAL NAME  
DIRECTION  
1
2
3
4
OUTPUT  
OUTPUT  
OUTPUT  
RED VIDEO  
GREEN VIDEO  
BLUE VIDEO  
NOT USED  
5
GROUND  
6
7
8
9
INPUT  
INPUT  
INPUT  
RED RETURN  
GREEN RETURN  
BLUE RETURN  
NOT USED  
10  
11, 12  
13  
14  
15  
GROUND  
NOT USED  
HORIZONTAL SYNC  
VERTICAL SYNC  
NOT USED  
OUTPUT  
OUTPUT  
Figu re 2 -8 Ext ern al Mon it or Port Pin ou t s  
In stallation 2 -9  
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2 .5 .5  
In st allin g Ext ern al Microph on e  
An extern al m icroph on e can be attach ed to th e n otebook u sin g th e leftm ost  
au dio con n ector (wh en viewed from th e rear of th e n otebook). Wh en th e  
extern al m icroph on e is in stalled an d th e u n it powered u p, th e in tern al  
m icroph on e is disabled.  
2 .5 .6  
In st allin g Ext ern al Au dio In pu t Devices  
Th e m iddle au dio jack on th e rear of th e n otebook allows you to con n ect an  
extern al sou n d sou rce (e.g. tape player, radio, etc. ) to th e n otebook.  
2 .5 .7  
In st allin g Ext ern al Au dio Ou t pu t Devices  
Th e righ tm ost au dio jack (wh en viewed from th e rear of th e n otebook)  
provides an au dio lin e ou tpu t cable of drivin g extern al h eadph on es,  
speakers or an extern al am plifier.  
2 .6 In st allin g t h e AC Power Adapt er  
Use th e followin g procedu res to con n ect th e AC Adapter to th e system :  
Ca u tion : Use on ly th e AC Ad a p ter su p p lied w ith th e com p u ter ; oth er  
a d a p ter s ca n d a m a ge th e u n it.  
c
1. Rem ove th e AC adapter from th e packagin g. Con n ect th e rou n d coaxial  
con n ector su pplied with th e n otebook to th e power receptacle on th e  
rear of th e n otebook as sh own in Figu re 2-9.  
2. Con n ect th e fem ale side of th e AC Power cord to th e AC Adapter an d  
con n ect th e m ale en d to a grou n ded AC ou tlet  
AC Adapter  
AC Power  
(120VAC to 230 VAC,  
50 to 60 Hz)  
Figu re 2 -9 AC Adapt er In st allat ion  
.
2 -1 0 In stallation  
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2 .7  
In it ial Syst em Ch eck ou t  
After you ve in stalled all in tern al option s an d extern al cablin g, you re ready  
for system ch eckou t an d software con figu ration .  
To ch eck ou t th e system , set th e power switch on th e n otebook to th e On (I)  
position wh ich in itiates th e n otebook self test. Du rin g self test execu tion ,  
th e com pu ter ch ecks th e operation of all key h ardware in clu din g m em ory  
an d CPU (an d displays copyrigh t an d version n u m ber data du rin g test  
execu tion ).  
Upon su ccessfu l con clu sion of self test, th e com pu ter au tom atically loads its  
operatin g system an d Win dows en viron m en t. If self test fails to com plete  
an d an error m essage is displayed, try powerin g down th e com pu ter for a  
cou ple of m in u tes an d tu rn in g power back on to repeat self test. If th e error  
m essage persists, refer to Section 6 for trou blesh ootin g in form ation .  
2 .8  
Con figu rin g t h e Syst em  
Th e first tim e you power u p th e n otebook, it au tom atically ru n s th e Setu p  
Program wh ich prom pts you for cou n try n am e an d prin ter type. You will exit  
Win dows an d th e n otebook begin s u n zippin g files an d preparin g th e  
software for u se.  
2 .9  
Mak in g Back u ps of Syst em Soft ware  
Th e Notebook is preloaded with Win dows 95 or Win dows for Workgrou ps  
operatin g system software. Prior to exten ded u se of th e n otebook, create a  
backu p set of diskettes con tain in g th e system software for u se in th e even t  
you h ave to rebu ild th e software system ( you can restore you r system u sin g  
th e Restore Utility an d a set of backu p diskettes).  
2 .1 0 Loadin g Applicat ion Soft ware  
For assistan ce in loadin g Application Software, refer to Ch apter 5 in th e  
Extensa Series Notebook Computer Us ers Reference Ma nua l.  
In stallation 2 -1 1  
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3
Operat in g In st ru ct ion s  
3 .1  
In t rodu ct ion  
Th e first two su bsection s describe th e Exten sa 51x Series Notebook  
operatin g con trols an d in dicators. Th e rem ain der of th is section con tain s a  
su m m ary of com pu ter operation s related to n otebook m ain ten an ce  
in clu din g h ow to restore system software.  
Not e: For addition al operatin g in stru ction s, refer to th e Extensa Series  
n
Notebook Computer Users Guide.  
3 .2  
Not ebook Con t rols an d In dicat ors  
Th e Exten sa Series Notebooks are equ ipped with th e followin g con trols an d  
in dicators:  
Grou p of five LEDs ju st above th e keyboard (Sleep Mode, Hard Drive  
Activity, Nu m Lock, Caps Lock an d Scroll Lock)  
Power, Setu p, an d Stan dby/ Su spen d bu tton s adjacen t to th e statu s  
LEDs  
Power LED an d Ch arge LED in dicators on th e left rear corn er of th e  
n otebook  
Tou ch pad an d two select bu tton s at base of keyboard  
Com bin ation key sequ en ces on keyboard to con trol brigh tn ess, con trast  
an d volu m e (refer to Paragraph 3.3.3).  
Th ese con trols an d in dicators are sh own in Figu re 3-1 an d described in  
greater detail in th e followin g paragraph s.  
Operatin g In stru ction s 3 -1  
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Caps  
Lock  
Scroll  
Lock  
Num  
Lock  
Hard Drive  
Activity  
Status  
LEDs  
Sleep  
M o d e  
Touchpad  
Pointing Device  
Standby/Suspend  
Button  
Setup Button  
Charging  
LED  
Power  
LED  
Touchpad  
Select Buttons  
Power On/Off  
Button  
Figu re 3 -1 Ext en sa Series Con t rols an d In dicat ors  
3 .2 .1  
Bu t t on Swit ch es  
Th e n otebook con tain s two bu tton switch es above th e keyboard in clu din g:  
Power On / Off Switch - Altern ate action , bu tton type switch th at  
con trols power to th e u n it. Pressin g th e Power bu tton cau ses power to  
be applied to th e n otebook an d power u p self test to be ru n . Th e PWR  
LED (left rear corn er of n otebook) glows green an d th e com pu ter th en  
loads Win dows 95. Wh en th e Power bu tton is pressed again , th e  
Notebook powers down an d all data in RAM m em ory is lost.  
St an dby/ Su spen d Bu tton Switch - an altern ate action tou ch switch  
th at in vokes th e save to disk featu re an d places th e u n it in Stan dby  
Mode (if previou sly On ) or On if previou sly in Stan dby Mode.  
3 .2 .2  
Cover Release Lat ch  
Th e Notebook con tain s on e Cover Release latch . To open th e n otebook, slide  
th e Release Mech an ism to th e righ t an d lift u p on th e fron t edge of th e  
n otebook cover.  
3 -2 Operatin g In stru ction s  
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3 .2 .3  
Tou ch pad Con t rols  
Th e Exten sa 51x Series Notebook Com pu ters are equ ipped with a bu ilt-in  
m ou se device called "th e Tou ch pad" ph ysically located at th e bottom of th e  
keyboard (refer to Figu re 3-1).  
Th e cu rsor is position ed by tou ch in g an d draggin g you r fin ger in th e  
direction you wan t th e cu rsor to go. Th e select fu n ction s are perform ed  
eith er by tappin g th e tou ch pad or by pressin g th e two bu tton s (switch es) at  
th e bottom of th e keyboard.  
You can ch an ge th e operation of th e pad by ch an gin g valu es in th e m ou se  
section of th e Win dows 95 Con trol Pan el. On ce you r cu rsor is in th e proper  
place an d you wan t to select, u se th e left bu tton to click or dou ble-click ju st  
as you wou ld a m ou se.  
3 .2 .4  
Keyboard Mode LEDs  
Th e Notebook con tain s th ree "keyboard m ode" in dicators ju st above th e  
keyboard on th e left side (n otebook cover open ). Th ese LEDs in clu de:  
CAP (Caps Lock ) In dicator - Th is LED in dicates th at th e keyboard is  
locked in th e Uppercase m ode. To switch to th e Lowercase m ode, press  
th e Caps Lock key on th e keyboard.  
NM (NM Lock ) In dicator - Th is LED ligh ts wh en you press th e Fn -F7  
(n u m bly) keys to toggle on th e n u m eric keypad lock fu n ction . Wh en th e  
LED is On , th e em bedded n u m eric keyboard keys gen erate AT-keypad  
ch aracters an d fu n ction s wh en pressed in con ju n ction with th e Fn key.  
Wh en th e NM in dicator is Off, pressin g th e Fn key with th e appropriate  
keys provides cu rsor m ovem en t, pagin g an d oth er fu n ction s in th e  
n orm al m ode. Wh en th e NM in dicator is On , th e em bedded n u m eric  
keypad becom es a tem porary n u m eric keypad th at does n ot requ ire you  
to press an y oth er key.  
SCROLL (Scroll Lock ) In dicator - Th is LED ligh ts to in dicate th at th e  
keyboard is locked in th e scroll m ode.  
3 .3  
Operat in g Procedu res  
Som e of th e operatin g featu res u sefu l for n otebook m ain ten an ce are  
provided in th e followin g paragraph s. For addition al operatin g in stru ction s,  
refer to th e Extens a Series Notebook Computer Users Ma nua l.  
3 .3 .1  
Floppy Drive Operat in g Procedu res  
To avoid dam agin g th e floppy drive drive, an d to protect data, take th e  
followin g precau tion s:  
Never tu rn off or reset th e n otebook wh ile th e floppy activity in dicator is  
lit.  
Keep th e AC adapter at least 6 in ch es away from you r drive.  
Operatin g In stru ction s 3 -3  
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In sert th e floppy in to th e floppy drive slot with th e label side u p an d th e  
m etal-sh u tter en d first. Gen tly pu sh th e floppy in to th e floppy drive slot  
u n til th e floppy clicks in to place.  
To rem ove a floppy, press th e eject bu tton u n til th e floppy pops ou t.  
Never force open th e access sh u tter on a floppy.  
Always rem ove a floppy from th e floppy drive before tu rn in g off th e  
com pu ter.  
Never tran sport th e com pu ter with a floppy in th e floppy drive. Doin g so  
can dam age th e drive h ead.  
If a floppy appears to be dam aged, try to m ake a copy of it, an d  
im m ediately discard it.  
Keep all floppies, wh en n ot in u se, in a disk storage box to protect th em  
from dam age or loss.  
3 .3 .2  
In st allin g/ Rem ovin g PCMCIA Opt ion s  
PCMCIA cards are in serted an d ejected in m u ch th e sam e way as diskettes:  
Type I, Type I or Type III PCMCIA option s m ay be in stalled in th e  
com partm en t on th e left side of th e n otebook.  
To in sert a PCMCIA card, align th e card with th e socket an d slide th e  
card in to th e socket u n til it locks in to place.  
To eject a PCMCIA card, go to th e Win dows 95 Con trol Pan el, select PC  
Card, an d select th e card to stop; th en press th e release bu tton an d  
rem ove th e PCMCIA option .  
3 .3 .3  
Com pu t er Hot Keys  
Th e Exten sa Series recogn izes th e followin g h ot key sequ en ces:  
Ct rl-Alt -Del (warm boot )  
Ct rl-Alt -Esc (En ter setu p screen ); to u se, power u p n otebook an d press  
F8 at "Sta rting Windows 95" m essage. Select Com m an d Prom pt On ly;  
th en press Ct rl-Alt -Esc.  
Fn -F2 (in com bin ation with Fn an d left / righ t arrow keys)(Screen  
brigh tn ess an d con trast adju stm en ts); Fn -Esc to get ou t of adju stm en t  
rou tin e.  
Fn -F5 (in com bin ation with Fn an d left / righ t arrow keys)(Au dio  
volu m e con trol); Fn -Esc to get ou t of adju stm en t rou tin e; Fn -F1 for h elp.  
3 -4 Operatin g In stru ction s  
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3 .3 .4  
Respon din g t o Low Bat t ery Con dit ion s  
Th e com pu ter gen erally will n otify you wh en you are reach in g a low battery  
con dition by th e followin g action s:  
Fou r sh ort beeps per m in u te (u n less battery warn in g is disabled)  
Th e battery low warn in g is au tom atically disabled wh en th e AC Adapter  
is in stalled on th e n otebook, regardless of th e ch arge con dition of th e  
battery pack.  
If th e AC adapter is n ot plu gged in with in th ree m in u tes of a detected  
battery low con dition , th e n otebook en ters Su spen d m ode (if low battery  
su spen d is specified in setu p). Wh en th e n otebook en ters Su spen d  
m ode, it issu es on e beep, saves con ten ts of RAM to disk an d powers  
down th e u n it.  
Th e Notebook retu rn s to th e n orm al operatin g m ode wh en th e power  
switch is activated. Th e u n it th en recovers RAM in form ation from th e  
h ard drive an d restores th e u n it to its previou s "On " con dition .  
3 .3 .5  
Min im izin g Power Usage  
Th e followin g action s can m in im ize power u sage an d protect you r work  
du rin g th e critical m in u tes before you sh u t th e system down or replace on  
th e battery packs with a fu lly ch arged pack:  
Press Ct rl-St an dby to sh u t off th e alarm (if its en abled)  
Save RAM Disk (if u sin g RAM Disk featu re)  
Press St an dby/ Su spen d bu tton to pu t th e com pu ter in  
Stan dby/ Su spen d m ode wh en ever you are n ot actively u sin g th e  
com pu ter. Th is will save all you r work an d rem em ber th e application  
an d file you were previou sly u sin g wh en you retu rn to th e On con dition .  
Power down th e system if you do n ot n eed th e com pu ter  
3 .3 .6  
Rech argin g t h e Bat t ery Pack s  
Th e battery pack m ay also be ch arged in th e n otebook as follows:  
1. In stall th e battery pack in you r com pu ter (if n ot already in stalled).  
2. Con n ect th e AC Adapter as described in Section 2.  
3. To fu lly ch arge th e battery pack, leave it ch argin g in th e Notebook  
u n til th e Ch arge LED extin gu ish es (approxim ately 90 m in u tes).  
Operatin g In stru ction s 3 -5  
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3 .3 .7  
Rest orin g Missin g Syst em Files  
Wh en you power u p th e Notebook, it au tom atically ch ecks for certain key  
files th at m u st be presen t for n orm al system operation . If an y of th ese files  
are acciden tally erased as in dicated by error m essage, in sert th e Window s  
95 Sta rtup diskette an d reboot th e system . Th is will allow you to boot u p  
an d trou blesh oot you r system .  
3 .3 .8  
Rebu ildin g t h e Syst em Soft ware  
In th e even t of a h ard drive replacem en t or system board replacem en t wh ich  
resu lted in loss of system software, you m ay n eed to rebu ild th e en tire  
system software stru ctu re.  
Th e followin g item s are requ ired to rebu ild th e system software:  
Set of backu p diskettes of th e system software or Windows 95 Sta rtup  
diskette  
Operation al Notebook  
In sert th e Windows 95 Sta rtup diskette in th e Notebook floppy drive an d  
power u p th e system .  
Not e: For addition al operatin g procedu res, refer to th e Extens a Series Note-  
n
book Computer Users Ma nua l.  
3 -6 Operatin g In stru ction s  
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4
Th eory of Operat ion  
4 .1  
In t rodu ct ion  
Th is section describes th e n otebook th eory of operation .  
4 .2  
Not ebook Fu n ct ion al Descript ion  
Fu n ction ally, th e n otebook com pu ter con sists of th e followin g m ajor  
su bsystem s:  
Processor an d Mem ory Su bsystem  
I/ O Su bsystem  
Video Su bsystem  
Hard Disk Su bsystem  
Floppy Disk Su bsystem  
PCMCIA Su bsystem  
Power Su bsystem  
A fu n ction al block diagram of th e Exten sa Notebook is sh own in Figu re 4-1.  
4 .2 .1  
Processor/ Mem ory Su bsyst em s  
Th e Processor fu n ction , h ou sed on th e Main Board, is im plem en ted with a  
100 MHz In tel Pen tiu m Processor. Th e processor operates in con ju n ction  
with RAM an d ROM Mem ory on th e Mem ory Board an d oth er con trol logic  
on th e Main Board to process software in stru ction s (BIOS, Win dows 95, an d  
Application s).  
Th e m em ory su bsystem , im plem en ted on th e Main Board an d option al Du al  
In lin e Mem ory Modu les, provides 8 MB (expan dable to 40 MB) of fast DRAM  
m em ory, 128 bytes of CMOS RAM (battery backed u p) an d 256 KB of Flash  
ROM for system an d video BIOS storage. Tables 4-1 th rou gh 4-3 con tain th e  
Notebook I/ O address m ap, DMA ch an n el assign m en ts an d IRQ in terru pt  
level assign m en ts respectively.  
Th eory of Operation  
4 -1  
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PCMCIA Option Slot(s)  
PCMCIA Adapter  
SD BUS  
XD BUS  
Drivers/  
Receivers  
State Machine  
& Glue Logic  
RS-232  
Serial Port  
Intel  
System  
Controller  
100 MHz  
Pentium  
Processor  
Internal Floppy Drive  
Super I/O  
Controller  
MAIN BOARD  
Memory  
Board  
SYSTEM &  
VGA BIOS  
Internal Hard Drive  
Parallel Port  
Clock Generator  
RAM  
Expansion  
Modules  
512KB  
Video RAM  
Input From  
AC Adapter  
XD BUS  
Video  
Power Supply  
Section  
Controller  
C&T 65540  
Keyboard/PS2  
Mouse Logic  
EXTERNAL  
VGA MONITOR  
Internal  
Touchpad  
Inverter  
Board  
Located internal  
to the LCD  
Assembly  
Internal LCD Display  
Internal Keyboard  
640 X 480  
VGA LCD  
Figu re 4 -1 Not ebook Fu n ct ion al Block Diagram  
4 -2  
Th eory of Operation  
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4 .2 .2  
I/ O Su bsyst em  
Th e I/ O su bsystem , im plem en ted with an NS87334 VJ G Su per I/ O  
Con troller Ch ip, provides for su ch fu n ction s as in tern al Hard Drive con trol,  
floppy drive con trol, an d serial an d parallel ports. Th e Su per I/ O Con troller  
in clu des th e followin g featu res:  
100 percen t com patible with ISA, EISA, an d Micro-ch an n el arch itectu res  
Bu ilt-in Floppy Disk Con troller  
Software com patible with th e DP8473, th e 765A an d N82077  
16-byte FIFO (defau lt disabled)  
Bu rst an d Non -bu rst m odes  
Perpen dicu lar Recordin g drive su pport  
New h igh -perform an ce in tern al digital data separator (n o extern al  
filter com pon en ts requ ired)  
Low-power CMOS with en h an ced power -down m ode  
Au tom atic m edia-sen se su pport  
Two UARTs  
Software com patible with th e PC16550A an d PC16450  
MIDI com patible  
In frared su pport on UART2 (IRDA -com plian t)  
Bidirection al Parallel Port  
En h an ced Parallel Port (EPP) com patible  
Exten ded Capabilities Port (ECP) com patible, in clu din g level 2  
su pport  
Bidirection al u n der eith er software or h ardware con trol  
Com patible with ISA, EISA, an d Micro Ch an n el arch itectu res  
Ability to m u ltiplex FDC sign als on parallel port pin s for extern al  
FDD  
In clu des protection circu it again st dam age cau sed wh en prin ter is  
powered u p, or operated at h igh er voltages  
In tegral IDE con troller  
Provides a com plete IDE in terface with DMA con trol (except for  
option al bu ffers)  
Th eory of Operation  
4 -3  
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In tegral address decoder - provides selection of all prim ary an d  
secon dary ISA addresses in clu din g COM1-4 an d LPT1-3.  
En h an ced Power Man agem en t Fu n ction  
Special con figu ration registers for power down  
En h an ced program m able power -down an d wake-u p m odes  
Au to power -down an d wake-u p m odes  
3 special pin s for power m an agem en t  
Typical cu rren t con su m ption du rin g power -down is less th an 10A  
4 .2 .3  
Video Su bsyst em  
Th e video su bsystem , im plem en ted on th e Main Board an d on th e LCD  
Display Un it, displays text, graph ics an d drives an extern al VGA port. Th e  
video su bsystem is im plem en ted with a Ch ips an d Tech n ology h igh  
perform an ce flat pan el/ RT VGA con troller an d su pportin g logic an d video  
RAM (1 MB).  
Th e m ajor featu res of th e VGA con troller in clu de:  
High ly in tegrated design (flat pan el / CRT VGA con troller, RAMDAC,  
clock syn th esizer)  
Mu ltiple Bu s Arch itectu re In tegrated In terface  
Local Bu s (32-bit CPU Direct an d VL)  
PCI Bu s  
EISA/ ISA (PC/ AT) 16-bit Bu s  
Advan ced fram e bu ffer arch itectu re u ses available display m em ory,  
m axim izin g in tegration an d m in im izin g ch ip cou n t  
In tegrated program m able lin ear address featu re accelerates GUI  
perform an ce  
High perform an ce resu ltin g from zero wait state writes (write bu ffer) an d  
m in im u m wait state reads (in tern al asyn ch ron ou s FIFO design )  
Su pports pan el resolu tion s u p to 800 x 600  
SMARTMAP in telligen t color to gray scale con version en h an ces text  
legibility  
Text en h an cem en t featu re im proves wh ite text con trast on flat pan el  
displays  
Fu lly Com patible with IBM VGA  
4 -4  
Th eory of Operation  
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4 .2 .3 .1  
Ext ern al VGA Drive Capabilit y  
On th e Exten sa n otebook, th e extern al VGA port is provided by th e port  
adaptor fixtu re in th e form of a 15-pin , fem ale, D-type con n ector wh ich can  
be u sed to drive an extern al CRT (u p to 1024 x 768 x 256 colors.  
4 .2 .4  
Hard Disk Su bsyst em  
Th e Hard Disk Su bsystem , con trolled by th e IDE in terface com patible  
NS87334 VJ G Su per I/ O Con troller on th e Main Board, provides disk  
storage for all system software an d u ser files. Th e Exten sa 51x Series  
Notebooks are equ ipped with eith er a 540 or 810 m illion byte drive.  
Du rin g th e m an u factu rin g process, Texas In stru m en ts form ats th e h ard  
disk an d th en loads all su pplied software in clu din g Win dows 95.  
Ca u tion : F or m a ttin g th e d isk d r ive er a ses a n y d a ta th a t m a y be stor ed  
on th e d isk . Th er efor e, d o n ot a ttem p t a for m a t of th e h a r d d isk u n less  
th e com p u ter self test a n d d ia gn ostics con fir m th a t th e d isk h a s n ot  
been for m a tted .  
c
c
A Hard Drive activity LED is located alon g th e top of th e n otebook. Th is LED  
ligh ts du rin g h ard drive read/ write accesses.  
Ca u tion : Th e n otebook sh ou ld n ot be m oved w h en th e HDD icon is lit to  
p r even t a ccid en ta l d a m a ge to th e h a r d d r ive.  
4 .2 .5  
Floppy Disk et t e Drive Su bsyst em  
Th e Floppy Diskette Drive Su bsystem con sists of a Floppy Con troller an d  
th e Floppy Diskette Drive. Th e Floppy Diskette Drive can read/ write  
stan dard 3.5-in ch diskettes.  
Th eory of Operation  
4 -5  
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4 .2 .6  
PCMCIA Su bsyst em  
Th e n otebook is equ ipped with an on -board PCMCIA h ost adapter PCMCIA  
Con troller) an d sockets to su pport Type I, Type II or Type III option s. Th e  
PCMCIA Con troller h as th e followin g featu res:  
Sin gle-ch ip PCMCIA h ost adapters  
Direct con n ection to ISA (PC AT) Bu s  
Direct con n ection to PCMCIA 2.0 Bu s  
PCMCIA 2.0- an d J EIDA 4.1-com plian t  
82365SL-com patible register set, ExCA-com patible  
Au tom atic Low-power Dyn am ic Mode for lowest power con su m ption  
Program m able Su spen d Mode  
Five program m able m em ory win dows per socket  
Two I/ O win dows per socket  
Program m able card access cycle tim in g  
8- or 16-bit CPU in terface  
8- or 16-bit PCMCIA in terface su pport  
ATA disk in terface su pport  
Au tom atic flash m em ory tim in g su pport  
Easy h ost in terface u sin g ISA I/ O addresses 03E0h , 03E1h  
Mixed-voltage (3.3V or 5V) operation  
Du al-socket-in terface, 208-pin QFP  
4 .2 .7  
Power Su bsyst em  
Th e Power Su bsystem con sists of th e followin g m ajor parts:  
Power Man agem en t (h ardware an d software com pon en ts)  
AC Adapter  
Prim ary Battery Board  
Prim ary Battery Pack  
4 -6  
Th eory of Operation  
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4 .2 .7 .1  
Power Man agem en t  
Th e n otebook is equ ipped with a power m an agem en t fu n ction th at  
m in im izes battery u sage for prolon ged battery operation an d au tom atically  
rech arges th e batteries wh en th e n otebook is u sed with an AC adapter.  
Th e power m an agem en t m odes an d warn in gs in clu de th e followin g:  
LCD stan dby m ode  
Hard disk stan dby m ode  
System stan dby/ su spen d m ode  
Battery-low warn in g  
Stan dby/ su spen d u pon battery low  
4 .2 .7 .2  
AC Adapt er  
Th e n otebook u ses an AC adapter with bu ilt in over voltage an d sh ort circu it  
protection .  
Th e adapter can with stan d a con tin u ou s sh ort-circu it to DC ou tpu t with ou t  
dam age to th e n otebook logic com pon en ts. Th e adapter operates in Sh u t-  
down m ode sh ortin g Vo trail an d resets to th e n orm al Power m ode after th e  
fau lt con dition is rem oved.  
4 .2 .7 .3  
Prim ary Bat t ery Pack  
Th e Exten sa Series Notebooks u se th e Du racell DR35 as th e prim ary battery  
pack. Specification s for th e Prim ary Battery Pack are provided in Table 4-4.  
Th eory of Operation  
4 -7  
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Table 4 -4 Prim ary Bat t ery Pack Specificat ion s  
Fu n ct ion  
Specificat ion s  
Battery type  
NiMH (Nickel Metal-Hydride)  
9 cells per pack (in series)  
10.8 V  
Cell stru ctu re  
Nom in al voltage  
Cell en ergy capacity  
Typical  
Min im u m  
2400 m AH  
2500 m AH  
2330 m AH  
Nom in al rated capacity  
27 Watt-h ou rs  
_
Operatin g Tem peratu re  
Disch arge  
-20 to 50°C (at 95%RH)  
0 to 45°C (at 95%RH)  
Ch arge  
Ch arge an d disch arge  
cycles  
500 (m in im u m )  
Weigh t  
470 gram s  
Battery disch arge tim e  
3 h ou rs (with APM)  
Battery ch arge tim e  
4 -8  
Th eory of Operation  
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5
Trou blesh oot in g Procedu res  
5 .1  
Gen eral  
Th is section provides th e followin g in form ation :  
Overview of th e fau lt isolation process  
Gu idelin es for isolatin g com pu ter m alfu n ction s to replaceable  
su bassem blies  
In stru ction s for execu tin g diagn ostics an d in terpretin g error m essages  
5 .2  
Overview of Fau lt Isolat ion Process  
Th e fau lt isolation process (su m m arized in Figu re 5-1) con sists of th e  
followin g:  
Qu ick Ch eck of th e followin g:  
Notebook power system (in clu din g battery packs an d AC Adapter  
con n ection s) - refer to Paragraph 5.4.  
Switch settin gs (en su re Power switch is On , an d press St an dby  
Sh ift  
switch to en su re th at Notebook is n ot in Stan dby m ode; press  
to en su re th e n otebook is n ot in Au to-Su spen d m ode.  
All extern al cablin g (if an y)  
Ch eck LCD Con trast adju stm en t (refer to Section 3)  
Record an d attem pt to resolve an y displayed error m essages/ LED  
in dication s (refer to Paragraph 5.3 an d Table 5-1)  
Record an d attem pt to resolve an y series of beeps em itted from th e  
n otebook in dicatin g test failu re (refer to Table 5-2)  
Trou blesh ootin g 5 -1  
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START  
COMPUTER  
TROUBLE  
INDICATION  
?
NO  
YES  
WHEN POWER SWITCH  
SET TO ON,, NO  
INDICATION OF POWER;  
SCREEN DARK, STATUS  
LED's EXTINGUISHED  
DEAD  
COMPUTER  
SYMPTOMS  
?
YES  
SEE  
PARAGRAPHS  
5.3.1 & 5.3.2  
NO  
SET POWER SWITCH  
TO ON. SELFTEST  
AUTOMATICALLY RUNS  
RUN  
SELF TEST  
YE S  
ERROR  
MESSAGE  
?
SEE PARAGRAPH  
5.3.3  
N O  
YES  
MODEM  
PROBLEM  
?
SEE PARAGRAPH  
5.3.4  
NO  
RUN  
DIAGNOSTICS  
YES  
DIAGNOSTICS  
ERROR MSG  
?
See Appendix B  
(PC Doctor)  
NO  
Figu re 5 -1 Trou blesh oot in g Flowch art  
5 -2 Trou blesh ootin g  
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Try rebootin g th e system (Ctrl-Alt-Del); restore system from diskettes, if  
n ecessary.  
If th e com pu ter is capable of ru n n in g th e Setu p program ; ch eck th e  
serial an d parallel port con figu ration s, an d oth er featu res th at m ay  
affect system operation .  
Ru n Diagn ostics to fu rth er isolate problem area (refer to Paragraph  
5.3.5).  
For in dicated h ardware failu res, cycle power an d repeat self test to  
verify th at a h ard failu re h as occu rred.  
Rem ove an d replace su spect h ardware (as described in Section 6 of th is  
m an u al) an d retest th e system u sin g th e diagn ostic tests as described in  
Paragraph 5.3.5.  
Th e detailed block diagram , sh own in Figu re 5-2, is u sefu l in perform in g  
fau lt an alysis of variou s in tern al su bsystem s. For exam ple, an LCD  
h ardware problem can be traced to eith er th e LCD, In verter Board, VR  
Board, or Battery Board. Oth er su bsystem problem s can be isolated in a  
sim ilar fash ion u sin g th e detailed block diagram as a trou blesh ootin g tool.  
5 .3  
Trou blesh oot in g Procedu res  
Th e bu ilt-in self test program an d th e disk residen t diagn ostics program  
(PC-Doctor) are u sefu l tools in com pu ter trou blesh ootin g. However, if th e  
com pu ter h as a power, keyboard or display problem , you sh ou ld first solve  
th is problem before ru n n in g diagn ostics. If th e com pu ter powers u p an d  
displays m essages on th e LCD or em its a series of beeps, skip to Paragraph  
5.4.3 for fu rth er in stru ction s.  
5 .3 .1  
Trou blesh oot in g a Power Su pply Problem  
If th e com pu ter does n ot power u p wh en th e Power Switch is set to th e ON  
position , you m ost likely h ave a m alfu n ction in th e power su bsystem (loss of  
power at th e AC Ou tlet, fau lty AC Adapter, disch arged Battery Packs, or  
fau lty Power Su pply Board). With a power problem , all LEDs are  
extin gu ish ed, th e LCD screen is blan k, th e system does n ot respon d wh en  
th e stan dby switch is pressed several tim es con secu tively an d n o drive  
activity can be h eard. Th e com pu ter is u n able to load software an d displays  
n o visible sign s of activity.  
To fau lt isolate a power problem , ch eck th e followin g:  
AC Adapter an d Battery - Plu g in th e AC adapter an d dou ble ch eck all  
con n ection s on th e Adapter an d com pu ter. En su re th at th e Notebook  
Power switch is set to th e On position an d th at th e system is n ot in  
Stan dby or sleep m ode.  
Trou blesh ootin g 5 -3  
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Measu re th e voltage at th e AC Ou tlet or plu g in a kn own good applian ce  
(EG. a lam p) to verify th at voltage is presen t. If th e voltage is OK, try  
replacin g th e AC Adapter  
Ch eck to see th at th e battery pack is in stalled correctly (try u sin g a  
rech arged battery pack if battery is disch arged).  
If th e AC ou tlet voltage, AC Adapter, an d battery packs test n orm al, bu t  
th e com pu ter will n ot power u p, replace th e Power Su pply Board an d/ or  
Battery Board as described in Section 6.  
PCMCIA Option Slot(s)  
PCMCIA Adapter  
SD BUS  
XD BUS  
Drivers/  
Receivers  
State Machine  
& Glue Logic  
RS-232  
Serial Port  
Intel  
System  
Controller  
100 MHz  
Pentium  
Processor  
Internal Floppy Drive  
Super I/O  
Controller  
MAIN BOARD  
Memory  
Board  
SYSTEM &  
VGA BIOS  
Internal Hard Drive  
Parallel Port  
Clock Generator  
RAM  
Expansion  
Modules  
512KB  
Video RAM  
Input From  
AC Adapter  
XD BUS  
Video  
Power Supply  
Section  
Controller  
C&T 65540  
Keyboard/PS2  
Mouse Logic  
EXTERNAL  
VGA MONITOR  
Internal  
Touchpad  
Inverter  
Board  
Located internal  
to the LCD  
Assembly  
Internal LCD Display  
Internal Keyboard  
640 X 480  
VGA LCD  
Figu re5 -2 Trou blesh oot in g Block Diagram  
5 -4 Trou blesh ootin g  
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5 .3 .2  
Trou blesh oot in g a Display Problem  
If th e LCD rem ain s blan k wh en you tu rn on th e com pu ter, an d th e statu s  
in dicators ligh t, ch eck th e followin g con trols on th e display (refer to Figu re  
3-1):  
LCD Stan dby m ode - If th e LCD backligh t rem ain s off, even with th e  
Brigh tn ess an d Con trast Con trols set to th eir h igh est position s (refer to  
Section 3), th e LCD m ay be in St an dby Mode. Press th e St an dby or  
Power bu tton to resu m e th e system .  
Notebook Set for Extern al Mon itor - u se CMOS Setu p to reset n otebook.  
LCD - Replace th e cover-display assem bly as described in Section 6 of  
th is m an u al.  
Low battery - Use a fu lly ch arged battery.  
5 .3 .3  
Fau lt Isolat ion Usin g Self Test  
Wh en th e com pu ter is first powered u p, it au tom atically perform s a self test  
of its cen tral h ardware an d m em ory fu n ction s. Du rin g self test (wh ich lasts  
for a few secon ds), th e display sh ows copyrigh t an d version n u m ber  
in form ation .  
Not e: Som e procedu res in th is paragraph requ ire you to u se keystroke se-  
qu en ces, su ch as Ct rl-Alt -Del. To execu te a keystroke sequ en ce su ch as  
th is, you m u st press all th ree keys sim u ltan eou sly.  
n
5 .3 .3 .1  
Self Test Error Messages  
Upon su ccessfu l com pletion of th e self test, th e com pu ter au tom atically  
loads its operatin g system an d oth er bu ilt-in u tilities. If th e self test fails to  
com plete su ccessfu lly, th e display sh ows on e of th e error m essages  
described in Appen dix A.  
5 .3 .4  
PCMCIA Modem Problem s  
If an option al PCMCIA m odem does n ot work properly, ch eck th e followin g  
item s:  
Proper in stallation of an y PCMCIA option s (ch eck Modem settin gs u n der  
Con trol Pan el).  
Dialin g problem or wron g n u m ber - Try dialin g a n u m ber th at you h ave  
previou sly dialed su ccessfu lly.  
Trou blesh ootin g 5 -5  
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Fau lty ph on e lin e - Con n ect a teleph on e to th e lin e an d listen for a dial  
ton e.  
Software program - Ch eck to en su re th at you h ave in stalled th e  
software correctly.  
5 .3 .5  
Fau lt Isolat ion Usin g Diagn ost ics  
PC-Doctor, su pplied with th e Exten sa Series Notebooks, is a powerfu l  
diagn ostics tool th at can h elp you scan an in tern al RAM system for viru ses,  
determ in e th e h ardware con figu ration of a local or rem ote system ,  
ben ch m ark its perform an ce, an alyze th e perform an ce of all su bsystem s,  
an d perform a su ite of in teractive an d n on -in teractive tests on attach ed  
devices. Th e test resu lts are stored in a log wh ich can be prin ted ou t (by  
pressin g F2 ) or saved in a disk file (by pressin g F3 ).  
Featu res of th e diagn ostic program are accessed th rou gh a series of  
pu ll-down m en u s an d basic keyboard keys (cu rsor keys to m ove h igh ligh ted  
poin ter, En ter key to select a h igh ligh ted featu re, Esc key to can cel a  
fu n ction an d m ove back on e level).  
PC-Doctor is typically u ser frien dly bu t if you don t u n derstan d a featu re,  
con text-sen sitive "h elp" in form ation is available at an y tim e by pressin g th e  
F1 fu n ction key; pressin g th e F1 fu n ction key twice accesses th e on lin e  
Tech n ical Referen ce Man u al for PC-Doctor.  
A powerfu l set of u tilities with in PC-Doctor (th at can be ru n locally or  
rem otely) sim plify th e task of determ in in g system con figu ration data,  
allocatin g an d u sin g system m em ory, IRQ an d DMA u se, wh at device drivers  
are in stalled, wh at COM an d LPT ports are assign ed an d wh at ports are  
available, iden tifyin g partition in g data for fixed disk drive(s), determ in in g  
th e VGA setu p in form ation , readin g th e software in terru pts/ in terru pt  
vectors, etc.  
Fu n ction ally, PC-Doctor in clu des th e followin g:  
Grou p of n in e n on -In teractive diagn ostic tests th at perform a  
n on -destru ctive test of th e m ajor h ardware fu n ction s in th e n otebook  
(Processor, Mem ory, System board, video section , serial an d parallel  
ports (wh en loopback adapters are in stalled), h ard disk an d floppy disk.  
Grou p of seven In teractive tests (requ ire operator in pu t) for testin g th e  
keyboard, video section s, sou n d su bsystem , m ou se, joystick, diskette  
drive, prin ter su bsystem an d SCSI/ CD-ROM Drive su bsystem s.  
Utility th at provides detailed system in form ation su ch as con figu ration  
data, allocation an d u se of system m em ory, IRQ an d DMA u se, wh at  
device drivers are in stalled, wh at COM an d LPT ports are assign ed an d  
wh at ports are available, partition in g data for fixed disk drive(s), VGA  
setu p in form ation , software in terru pts an d in terru pt vectors.  
5 -6 Trou blesh ootin g  
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Grou p of special pu rpose u tilities to ru n oth er tests from PC-Doctor,  
perform a viru s scan of th e in tern al RAM system , edit con figu ration  
files, su rface scan h ard drives, m easu re system perform an ce, open a  
DOS prom pt, provides term in al access to devices con n ected to serial  
ports, su pports m em ory debu g operation s, en ables rem ote operation s,  
perm its deep disch arge of n otebook batteries an d provides an exten sive  
test reportin g fu n ction .  
Th e PC-Doctor diagn ostic program con tain s a grou p of n in e n on -In teractive  
diagn ostics, available from th e Diagn ost ics h eadin g in th e m ain m en u , th at  
perm its testin g variou s h ardware section s with ou t operator in pu t. You can  
select on e, several, or all tests from th e Diagn ostics m en u . Th ese tests are  
n on -destru ctive; th e serial an d parallel port tests requ ire discon n ectin g  
extern al devices from you r n otebook an d in stallin g loopback plu gs. Th e  
Non -In teractive test categories in clu de:  
CPU an d Coprocessor -Processor Tests  
Base RAM m em ory test  
System Board test  
Video Test  
COM1 an d LPT1 serial port tests  
Parallel Port Test  
Fixed Disk test  
Diskette Drive tests  
Oth er devices (Sou n d card, PCMCIA option s, etc.)  
5 .3 .5 .1  
In t eract ive Test s  
Th e PC-Doctor diagn ostic test in clu des a su ite of seven In teractive tests th at  
requ ire operator in pu t du rin g th e cou rse of th e test. Th e In t eract ive Test s  
category in clu des:  
Keyboard - tests th e keyboard keys, LEDs an d repeat fu n ction  
Video - tests th e LCD an d extern al VGA ch aracter sets, an d colors  
Speak er - tests th e volu m e respon se at differen t frequ en cies  
Mou se - tests th e m ou se driver, bu tton s an d fu n ction ality  
J oyst ick - calibrates th e extern al joystick con n ected to th e system  
an d tests th e joystick bu tton s  
Disk et t e Drive - ch ecks diskette drive fu n ction ality  
Maxim u m Syst em Load - th orou gh ly exercises th e system to th e  
m axim u m exten t possible for perform in g system "bu rn -in " an d test  
Trou blesh ootin g 5 -7  
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Prin t er Test - tests th e operation of a con n ected prin ter  
SCSI Test - sen ds test codes to attach ed SCSI devices (requ ires u se  
of a Dockin g System with SCSI)  
CD-ROM Test - ch ecks ou t an y attach ed CD-ROM Drive (requ ires  
attach m en t of a Dockin g System with CD-ROM capability)  
5 .3 .5 .2  
Su pport in g On lin e Docu m en t at ion  
Th e PC-Doctor Diagn ostic con tain s th e followin g on lin e in form ation sou rces:  
On lin e Tech n ical Man u al - selected at an y tim e by pressin g th e F1 key  
twice or by clickin g on th e Qu estion Mark in th e u pper left h an d corn er  
of an y PC-Doctor Men u  
On -lin e Help syst em th at provides con text sen sitive in form ation from  
every PC-Doctor screen - accessed by pressin g th e F1 key on ce (pressin g  
F1 twice gets you in to th e on lin e m an u al)  
PC-Doctor is stru ctu red as a text-m ode, win dowed u ser in terface with  
pu ll-down m en u s. Program operation requ ires th e u se of th e followin g keys:  
Cu rsor Keys - Move th e h igh ligh ted poin ter  
En t er Key - Selects th e h igh ligh ted option  
Esc Key - Can cels cu rren t fu n ction an d goes back on e step  
F1 Key - Activates th e con text-sen sitive h elp featu re (pressin g F1 twice  
in a row calls u p th e on lin e Technica l Reference Ma nua l for PC-Doctor)  
Scrollin g win dows, wh ich sh ow th e resu lts of variou s operation s, u se th e  
followin g keys:  
Page Up/ Page Down - Moves th e screen on e page at a tim e  
F2 - Prin ts th e log to PRN  
F3 - Saves th e log to a file  
You can also u se th e m ou se, or Poin t, to in teract with PC-Doctor. Th e  
leftm ost Select key is u sed to ch oose objects (m en u en tries an d action  
codes typically en closed in brackets). Th e righ tm ost Select key is equ ivalen t  
to th e Esc key wh ich takes you back to you r previou s step.  
5 -8 Trou blesh ootin g  
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5 .3 .5 .3  
Creat in g a Boot able Floppy Disk et t e  
Prior to u sin g PC-Doctor, create a bootable floppy diskette u sin g th e  
followin g procedu re:  
1. Power u p th e u n it; wh en u n it displays m essage, "Startin g Win dows 95",  
press F8 . Ch oose Com m an d Prom pt On ly from m en u .  
2. Usin g DOS, form at a floppy diskette.  
3. From th e A: prom pt, copy th e basic MS-DOS files to th e diskette u sin g  
th e followin g com m an d:  
Form at A: / F:1 4 4 0 / S  
wh ere th e valu e 1440 is th e capacity of th e diskette (1.44 MB in th is  
exam ple).  
4. Get in to th e PC-Doctor directory  
(type CD C:\ PCDR an d press En t er).  
5. Copy th e PC-Doctor files to th e bootable diskette u sin g th e followin g  
com m an d:  
XCOPY C:. A:  
After com pletion of th is procedu re, you sh ou ld h ave a bootable diskette  
con tain in g PC-Doctor.  
5 .3 .5 .4  
Ru n n in g PC-Doct or  
PC-Doctor is a DOS-residen t program th at can be ru n from eith er h ard disk  
or from th e bootable diskette you previou sly created.  
1. From th e C:\ prom pt, ch an ge directory (type CD C:\ PCDR) an d press  
En t er.  
2. From th e C:\ prom pt, type PCDR an d press En t er.  
3. Th e Diagn ostics Program loads in to system m em ory, an d th e LCD  
displays th e Diagn ostics Header.  
Not e: Th ere are a n u m ber of com m an d-lin e switch es th at can be en tered  
wh en startin g u p PC-Doctor to en able au tom atic viru s scan n in g, en able  
loopback testin g of serial/ parallel ports, work from th e rem ote m en u if per-  
form in g rem ote operation s, etc. To get a listin g of th e available com m an d-  
lin e switch es, startu p PC-Doctor with th e followin g com m an d: PCDR / ? an d  
press En t er.  
n
Trou blesh ootin g 5 -9  
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Not e: If PC-Doctor detects a viru s, it will stop with an error m essage. You  
m u st th en u se on e of th e stan dard viru s detection an d rem oval program s to  
rem ove th e viru s.  
n
n
5 .3 .5 .5  
Qu it t in g PC-Doct or  
To exit PC-Doctor, select th e Qu it pu ll down m en u an d th en select th e Qu it  
t o DOS option .  
Not e: For addition al in form ation , press F1 twice to access th e on lin e Refer-  
en ce m an u al for PC-Doctor.  
5 -1 0 Trou blesh ootin g  
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6
Field Service  
6 .1  
In t rodu ct ion  
Th is section con tain s preven tive an d corrective m ain ten an ce procedu res for  
th e Exten sa 51x Series Notebook Com pu ters. Th e first part of th e section  
describes th e com pu ter clean in g procedu res an d preferred h an dlin g  
procedu res for sen sitive com pon en ts (e.g. disk drives, batteries).  
Th e secon d part of th e section iden tifies all field-replaceable parts; th e  
rem ain der of th e section con tain s rem oval an d replacem en t procedu res for  
th e field-replaceable parts.  
6 .2  
Preven t ive Main t en an ce  
Preven tive m ain ten an ce is lim ited to clean in g th e plastic case, th e in terior of  
th e n otebook in clu din g th e keyboard, tou ch pad an d th e LCD screen .  
6 .2 .1  
Clean in g t h e Com pu t er  
Wh en it is n ecessary to clean th e plastic case an d keyboard, u se a soft,  
lin t-free cloth , sligh tly dam pen ed with a m ild detergen t solu tion or u se th e  
con ten ts of an y com m ercially available com pu ter clean in g kit.  
Ca u tion : Never u se a lcoh ol, p etr oleu m -ba sed solven ts, or h a r sh d eter -  
gen ts to clea n you r com p u ter. Also n ever sp r a y a n y liqu id s d ir ectly on  
th e com p u ter ca se, k eyboa r d , or scr een . If th e liqu id -cr ysta l d isp la y  
(LCD) scr een h a s becom e sm ea r ed or d u sty, clea n th e scr een by fir st a p -  
p lyin g a m ild gla ss clea n er to a soft, clea n , lin t-fr ee cloth , a n d gen tly  
w ip e th e gla ss. Never a p p ly liqu id s d ir ectly on th e scr een su r fa ce.  
c
c
Ca u tion : Do n ot u se p a p er tow els to clea n th e d isp la y scr een . P a p er ca n  
scr a tch th e d isp la y scr een m a tte.  
Field Service 6 -1  
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6 .2 .2  
Prot ect in g t h e Disk Drives  
To protect th e disk drives an d data, back u p th e system disk periodically on  
floppy diskettes. Periodically u se a h ead-clean in g diskette in th e floppy  
diskette drive to prolon g th e life of th e drive an d to h elp m ain tain data  
in tegrity.  
6 .2 .3  
Han dlin g t h e Com pu t er Bat t ery Pack  
Th e battery pack fu rn ish ed with th e com pu ter requ ires reason able care an d  
h an dlin g to en su re efficien t operation an d m axim u m life. Periodically  
in spect th e battery term in als an d th e batteries for eviden ce of corrosion an d  
oxide bu ild-u p; clean if n ecessary.  
To en su re th at th e battery pack en du res a n orm al life cycle, always observe  
th e followin g precau tion s wh en h an dlin g th e battery pack:  
Do n ot drop th e battery pack or su bject it to excessive sh ock an d  
vibration .  
Do n ot expose th e battery pack to direct su n ligh t, m oistu re, or ch em ical  
com pou n ds.  
Do n ot disassem ble th e battery pack.  
Do n ot u se th e battery pack to power oth er devices.  
Do n ot sh ort th e battery leads or con n ect th e battery with reversed  
polarity.  
Never attem pt to ch arge th e battery pack in an y way oth er th an as  
described in th is m an u al.  
Always ch arge th e battery pack as soon as possible after a low battery  
in dication .  
6 .2 .4  
Rest orin g Syst em Soft ware  
Th e h ard drive on th e n otebook com pu ter is factory loaded with Win dows 95  
or Win dows for Workgrou ps an d ready for operation . Su pplied with th e  
system is a u tility for creatin g backu p diskettes of th e system software. In  
th e even t of a disk crash or oth er problem , you can u se th e Windows 95  
Sta rtup diskette or oth er backu p diskettes to boot th e u n it an d perform  
trou blesh ootin g.  
6 -2 Field Service  
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6 .3  
Requ ired Tools an d Equ ipm en t  
All n otebook com pu ter corrective m ain ten an ce procedu res can be perform ed  
u sin g th e followin g tools:  
Tweezers  
Sm all flat-blade screwdriver  
Sm all Ph illips screwdriver  
Hexagon al Screwdriver  
Plastic Stick  
Con du ctive m at/ wrist or an kle grou n din g strap system for electrostatic  
voltage protection .  
Ca u tion : All boa r d s, op tion s a n d p er ip h er a ls con ta in com p on en ts th a t  
a r e sen sitive to sta tic electr icity. Wh en h a n d lin g a n y of th ese item s, p r o-  
tect a ga in st sta tic electr icity by u sin g w r ist or a n k le gr ou n d in g str a p s  
a n d gr ou n d ed con d u ctive m a ts. Wh en m ovin g or stor in g item s, u se th e  
a n ti-sta tic ba gs su p p lied w ith th e item s.  
c
6 .4  
Not ebook Field-Replaceable Part s  
an d Assem blies  
All m em bers of th e Exten sa 51x Series Notebook Com pu ters con tain two  
m ajor assem blies in clu din g th e Cover -Display Assem bly (u pper h alf of  
n otebook com pu ter) an d th e System Base Assem bly (lower h alf of th e  
n otebook). Each of th ese two assem blies con tain FRUs as described in th e  
followin g su bparagraph s.  
6 .4 .1  
Display Assem bly  
As sh own in Figu re 6-1, th e Display Assem bly con tain s th e LCD screen ,  
Power In verter Board an d Con trast Board.  
Th e Field-Replaceable Un its (FRUs) an d th eir respective TI Part No.s an d  
assem bly/ disassem bly referen ce paragraph n u m bers are provided in Table  
6-1.  
Field Service 6 -3  
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LCD Assembly  
LCD Cover  
Power Inverter  
Board  
Contrast Board  
Bezel (Removed  
for Clarity)  
Figu re 6 -1 Cover-Display Assem bly FRUs  
Table 6 -1 Cover-Display Assem bly, Field-Replaceable Un it s (FRUs)  
TI Part No.  
Referen ce  
Paragraph  
No.  
FRU Descript ion  
In verter Board, DSSTN 10.4"  
Display Assem bly, 10.4" DSSTN 50X, 51X  
Bezel Assem bly, DSSTN 10.4", W/ O label  
LCD Pan el, DSSTN, 10.4", 50X/ 51X  
Latch , LCD 50X/ 51X  
9811361-0001  
9811363-0001  
9811373-0001  
9811362-0001  
9805745-0002  
9805745-0001  
9811379-0001  
9811379-0002  
9811385-0001  
9811375-0004  
9811375-0003  
9811387-0001  
9811384-0001  
6.5.9  
6.5.9  
6.5.9  
6.5.9  
Ref  
Sprin g, LCD Latch  
Ref  
Cover, left side screws  
Ref  
Cover, righ t side screws  
Ref  
Cable Assem bly, LCD to Main Board (29P)  
Nam eplate, 515  
6.5.8  
Ref  
Nam eplate, 510  
Ref  
Con n ector Board, STN LCD  
Con trast Board  
6.5.8  
6.5.9  
6 -4 Field Service  
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TI Part No.  
Referen ce  
Paragraph  
No.  
FRU Descript ion  
Cable Assem bly, In verter (12P)  
LCD Cover, DSSTN, 10.4 in ch  
9811386-0001  
9811372  
6.5.8  
6.5.8  
6 .4 .2  
Syst em Base Assem bly  
As sh own in Figu re 6-2, th e System Base Assem bly h ou ses a variety of  
field-replaceable su bassem blies an d com pon en ts. Th e FRUs an d paragraph  
referen ces for rem oval/ replacem en t procedu res are listed in Table 6-2.  
Table 6-3 con tain s a listin g of Cu stom er (n on -tech n ical u ser) replaceable  
u n its (CRUs) an d associated TI Part Nu m bers.  
Table 6 -2 Base Assem bly, Field-Replaceable Un it s (FRUs)  
TI Part No.  
Referen ce  
Paragraph  
No.  
FRU Descript ion  
Main Board with ou t CPU (tran sfer CPU to  
replacem en t board)  
9811726-0001  
6.5.13  
IC, CPU, P54LM-100 SPGA (2.9V)  
Bu tton Board Assem bly  
9811733-0001  
9811367-0001  
9803991-0001  
9811734-0001  
9811358-0001  
9811360-0001  
9811394-0001  
9811396-0001  
9811398-0001  
9811398-0002  
9811398-0003  
9811398-0004  
9811398-0005  
9811398-0006  
9811398-0007  
9811398-0009  
6.5.14  
6.5.6  
6.5.4  
6.5.4  
6.5.4  
6.5.4  
6.5.5  
6.5.6  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
Tou ch pad Board Assem bly  
Sm art Battery Con trol Board Assem bly  
LED/ Switch PWB Assem bly  
Ch arger/ Power Su pply Board Assem bly  
Floppy Drive Assem bly  
Hard Disk Drive, 810 Million Byte  
Keyboard Assem bly, U.S., EXT50x/ 51x  
Keyboard Assem bly, UK, EXT50x/ 51x  
Keyboard Assem bly, GER, EXT50x/ 51x  
Keyboard Assem bly, FRA, EXT50x/ 51x  
Keyboard Assem bly, SPN, EXT50x/ 51x  
Keyboard Assem bly, SWS, EXT50x/ 51x  
Keyboard Assem bly, ITA, EXT50x/ 51x  
Keyboard Assem bly, PORT, EXT50x/ 51x  
Field Service 6 -5  
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TI Part No.  
Referen ce  
Paragraph  
No.  
FRU Descript ion  
Keyboard Assem bly, SWD, EXT50x/ 51x  
Keyboard Assem bly, DEN, EXT50x/ 51x  
Keyboard Assem bly, NOR, EXT50x/ 51x  
Keyboard Assem bly, BELG, EXT50x/ 51x  
Keyboard Assem bly, FIN, EXT50x/ 51x  
FDD Cable  
9811398-0010  
9811398-0012  
9811398-0013  
9811398-0014  
9811398-0015  
9811366-0001  
9811365-0001  
9811370-0001  
9811371-0001  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
6.5.2  
6.5.5  
6.5.6  
6.5.4  
6.5.4  
HDD Cable  
Upper Case Assem bly  
Lower Case Assem bly (for n on -U.S. u n its; lower case  
can n ot be replaced in U.S. du e to regu latory agen cy  
requ irem en ts)  
Clip, Speaker  
9811390-0001  
9805745-0006  
9811374-0001  
9805745-0007  
9811397-0001  
9811399-0001  
9811725-0001  
9811730-0001  
9811392-0001  
Ref  
Cover, Cable  
Ref  
Cover, HDD Assem bly  
Hin ge Cover  
6.5.6  
Ref  
Heat Sin k Assem bly  
Mou se Bu tton (left)  
Mou se Bu tton (righ t)  
Tou ch pad Cable Assem bly  
Cover, Power Su pply  
6.5.3  
6.5.11  
6.5.11  
6.5.11  
6.5.4  
6 -6 Field Service  
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Table 6 -3 Not ebook CRUs (Cu st om er-Replaceable Un it s)  
TI Part No.  
Referen ce  
Paragraph  
No.  
CRU Descript ion  
AC Adapter Assem bly  
9803931-0001  
9803928-0001  
9803932-0001  
9803950-0001  
9803933-0001  
9811381-0001  
9811393-0001  
9811382-0001  
Sec. 2  
6.5.1  
6.5.7  
6.5.7  
6.5.7  
Ref  
In tern al Battery Pack, Ni-MH  
4 MB RAM SIMM  
8 MB RAM SIMM  
16B RAM SIMM  
Door, PCMCIA  
Rear Door  
Ref  
Ru bber Foot  
Ref  
6 .5  
Not ebook Su bassem bly Rem oval an d  
Replacem en t Procedu res  
Th e followin g paragraph s con tain field service-level rem oval/ replacem en t  
procedu res for th e Notebook.  
Ca u tion : P r ior to r em ovin g a n y of th e in ter n a l F RUs in th e n otebook ,  
r em ove th e AC Ad a p ter, ba tter y, h a r d d r ive a n d a ll exter n a l op tion s  
in sta lled on th e n otebook .  
c
c
Ca u tion : Ma n y in ter n a l ca bles a r e F lexible P r in ted -Cir cu it (F P C) ca ble  
typ es th a t r equ ir e sp ecia l h a n d lin g. En su r e th a t lock in g-typ e con n ec-  
tor s a r e u n lock ed (u sin g a sm a ll fla t-bla d e scr ew d r iver ) befor e r em ov-  
in g ca bles. Do n ot for ce ca bles ou t of th e con n ector s.  
6 .5 .1  
Rem ovin g/ Replacin g t h e Not ebook Bat t ery  
Pack  
Th e procedu re for rem ovin g an d replacin g th e battery pack is as follows:  
1. Tu rn off th e com pu ter.  
2. Locate th e battery door (righ t side of n otebook n ear th e fron t). Ligh tly  
press in ward on th e battery door an d slide th e door toward th e fron t  
of th e n otebook; rem ove th e battery door.  
Field Service 6 -7  
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3. Grasp th e ribbon loop on th e battery an d pu ll th e battery ou t of th e  
com partm en t.  
4. Wh en replacin g th e battery, in sert th e en d opposite th e ribbon loop  
with th e battery n otch es poin tin g u pward. Slide th e battery in to th e  
com partm en t an d replace th e battery door.  
6 .5 .2  
Rem ovin g/ Replacin g t h e Keyboard Assem bly  
Th e procedu re for rem ovin g an d replacin g th e keyboard assem bly is as  
follows:  
1. Tu rn off th e com pu ter an d discon n ect th e AC power adapter (if it is  
attach ed).  
2. Rem ove th e Battery Pack as described in Paragraph 6.5.1.  
Not e: Th e top edge of th e keyboard is h eld in place by plastic tabs ben eath  
n
c
th e Ctrl an d Down Arrow Keys.  
3. Pu ll th e keyboard release tabs toward th e fron t of th e n otebook (tabs  
sn ap in to an 1/ 8 in ch recess in th e plastics).  
4. Usin g a sm all straigh t-blade screwdriver, lift th e fron t edge of th e  
keyboard u pward.  
5. Lift th e fron t edge of th e keyboard sligh tly an d gen tly pu ll th e keyboard  
toward th e fron t of th e n otebook exposin g two cables th at con n ect th e  
keyboard to th e m ain board.  
Ca u tion : F a ilu r e to r elea se th e ZIF con n ector s befor e r em ovin g ca bles  
w ill r esu lt in d a m a ge to th e Keyboa r d Assem bly.  
6. Release th e two ZIF (zero in sertion force ) con n ectors u sin g a plastic  
stick or oth er n on m etallic object an d rem ove th e cables from th e Main  
Board con n ectors.  
7. Rem ove th e keyboard assem bly from th e n otebook.  
8. Replacem en t is essen tially th e reverse of Steps 1 th rou gh 7.  
6 -8 Field Service  
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1
Slide Keyboard Release  
Tabs toward front of  
notebook.  
Using a small  
flat blade screwdriver,  
gently pry keyboard up  
along the front edge.  
2
Remove ZIF  
Cables from  
Main Board  
Figu re 6 -2 Rem ovin g/ Replacin g t h e Keyboard  
6 .5 .3  
Rem ovin g/ Replacin g t h e Heat Sin k  
To rem ove an d replace th e h eat sin k, perform th e followin g procedu re:  
1. Discon n ect th e AC adapter from th e Notebook.  
2. Rem ove th e battery as described in Paragraph 6.5.1.  
3. Loosen an d tilt back th e th e keyboard assem bly as described in  
Paragraph 6.5.2.  
4. Rem ove th e fou r Ph illips-h ead screws th at secu re th e h eat sin k to th e  
m ain board.  
5. Lift u pward on th e h eat sin k an d rem ove it from th e base.  
6. Replacem en t is th e reverse of Steps 1 th rou gh 5 above.  
Field Service 6 -9  
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Release keyboard  
assembly and  
tilt up against  
Display.  
Remove set of  
four screws  
holding heat sink  
Heat Sink  
Assembly  
Figu re 6 -3 Rem ovin g/ Replacin g t h e Heat Sin k Assem bly  
6 .5 .4  
Open in g/ Replacin g t h e Upper Case Assem bly  
To rem ove/ replace th e Top Case Assem bly, perform th e followin g procedu re:  
1. Rem ove th e AC Adapter, battery pack, an y in stalled PCMCIA option s,  
th e Keyboard Assem bly an d Heat Sin k Assem bly as described in  
Paragraph s 6.5.1 th rou gh 6.5.3  
2. Tu rn th e n otebook over an d rem ove th e six Ph illips-h ead screws from  
th e bottom of th e n otebook. Th en tu rn n otebook righ tside u p.  
3. Rem ove th e fou r screws th at secu re th e Top Case Assem bly to th e  
base.  
6 -1 0 Field Service  
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4. Usin g a plastic stick, u n lock th e ZIF con n ector located n ear th e  
Tou ch pad an d rem ove th e cable from th e con n ector. Also, rem ove th e  
2-con n ector speaker cable from th e Main Board Con n ector.  
5. Rem ove th e cable cover below th e display by liftin g u pward on th e  
fron t edge of th e cover.  
6. Discon n ect th ree cables (two to th e LCD an d on e to th e LCD/ Switch  
Board).  
7. Rotate th e n otebook so th at th e rear of th e u n it is facin g you ; open th e  
rear door assem bly.  
8. Several recesses are located ju st above th e rear con n ectors. Use a  
sm all flat-blade screwdriver to disen gage th e sn aps associated with  
th e righ t an d left recesses.  
9. Lift an d pu sh th e Display Assem bly forward to disen gage it from th e  
Base Assem bly.  
10. Replacem en t of th e Top Case Assem bly is th e reverse of Steps 1  
th rou gh 9 above.  
6 .5 .5  
Rem ovin g/ Replacin g t h e Floppy Disk  
Assem bly  
To rem ove/ replace th e Floppy Disk Assem bly, perform th e followin g  
procedu re:  
1. Rem ove th e Keyboard Assem bly an d Heat Sin k Assem bly as described  
in Paragraphs 6.5.2 an d 6.5.3.  
2. Rem ove th e Top Case Assem bly as described in Paragraph 6.5.4.  
3. Un lock th e ZIF con n ector (u sin g a plastic stick) an d rem ove th e Floppy  
to Main in terface cable from th e con n ector on th e Main Board.  
4. Rem ove th e power su pply sh ield.  
5. Rem ove th e screws secu rin g th e Floppy Disk Assem bly to th e Main  
Board an d rem ove th e Floppy Assem bly from th e n otebook.  
6. Rem ove th e fron t an d rear brackets from th e Floppy Disk Drive.  
7. Reassem bly is th e reverse of Steps 1 th rou gh 6 above.  
6 .5 .6  
Rem ovin g/ Replacin g t h e Hard Drive  
Th e procedu re for rem ovin g an d replacin g th e Hard Drive assem bly is as  
follows:  
1. Power down th e n otebook, rem ove th e battery packs, an d discon n ect  
th e AC Adapter, if in stalled.  
2. Discon n ect an y periph eral device in terface cables from th e extern al  
in terface con n ectors an d rem ove an y in stalled PCMCIA option s.  
Field Service 6 -1 1  
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3. Tu rn th e com pu ter over so th at th e Hard Drive pan el is on you r righ t  
side.  
4. Press down on th e two cover release tabs an d slide to th e left; lift u p  
on th e drive door an d rem ove from th e n otebook.  
5. Rem ove th e two screws n ear th e drive con n ector cable.  
6. In sert a sm all blade straigh t slot screwdriver in to th e recess in th e  
plastics n ear th e fron t edge of th e m etal cover an d gen tly m ove th e  
drive back; lift u pward wh en th e m etal lip clears th e plastics.  
7. Lay th e drive over facin g th e rear of th e n otebook.  
8. Gen tly pu ll on th e plastic ban d to rem ove th e cable con n ector from th e  
disk drive.  
9. Rem ove th e disk drive from th e bay. To rem ove th e m etal sh ield from  
th e drive, rem ove th e fou r recessed screws.  
10. Replacem en t is essen tially th e reverse of Steps 1 th rou gh 9.  
TIP: In sert th e fron tm ost edge of th e drive in first so th at th e  
protru din g m etal lip clears th e cu tou t in th e plastics before gu idin g  
th e rem ain der of th e drive in to th e bay; th en in stall an d tigh ten th e  
two rear -m ost screws an d replace th e plastic cover.  
Hard Drive  
Cover  
HDD Release  
Latches  
Figu re 6 -4 HDD Rem oval/ Replacem en t  
6 -1 2 Field Service  
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6 .5 .7  
Rem ovin g/ Replacin g DIMM Modu les  
To rem ove an d replace DIMM m em ory m odu les, u se th e followin g procedu re:  
1. Loosen th e keyboard assem bly (bu t do n ot discon n ect keyboard  
cables) as described in Steps 1 th rou gh 4 of Paragraph 6.5.2.  
2. Usin g th e back edge of th e keyboard as a h in ge, lift th e fron t edge of  
th e keyboard u p an d lay it again st th e LCD assem bly.  
3. Pu sh th e two m etal sprin gs away from th e board edge an d rem ove th e  
DIMM board.  
4. Wh en in stallin g a DIMM board, in sert th e edge of th e board in to th e  
rear of its con n ector u sin g a sligh t rockin g m otion at an an gle to th e  
su rface of th e board.  
5. On ce th e DIMM is fu lly in serted in th e con n ector, pu sh down ward on  
both sides of th e board to sn ap it in place.  
6.  
Rein stall th e Keyboard an d replace com pon en ts rem oved in Step 1.  
6 .5 .8  
Rem ovin g an d Replacin g t h e Display Assem bly  
To rem ove th e display assem bly, perform th e followin g procedu re:  
1. Rem ove th e keyboard an d h eat sin k as described in Paragraph s 6.5.2  
an d 6.5.3 respectively.  
2. Rem ove th e cable cover below th e display by liftin g u pward on th e fron t  
edge of th e cover.  
3. Un plu g th e video cables th at m ate with th e Main Board.  
4. Usin g a plastic stick, slide th e righ t an d left h in ge covers away from  
th e base assem bly.  
5. Lay th e display com pletely back an d rem ove th e fou r screws th at  
secu re th e display h in ges to th e base case assem bly.  
6. Observe cable rou tin g an d en su re th at th e display cables are free  
from th e top case assem bly; rem ove th e display assem bly.  
7. Rein stallation of th e Display Assem bly is th e reverse of Steps 1  
th rou gh 6 above.  
6 .5 .9  
Rem ovin g an d Replacin g t h e In vert er Board  
or Con t rast Board  
To rem ove an d replace eith er th e In verter Board or th e Con trast Board,  
perform th e followin g procedu re:  
Field Service 6 -1 3  
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Ca u tion : If th e n otebook is p ow er ed u p w ith th e LCD bezel r em oved ,  
you ca n be exp osed to h igh volta ges w h ich cou ld r esu lt in sh ock a n d  
equ ip m en t d a m a ge. En su r e th a t th e ba tter ies a n d AC a d a p ter a r e r e-  
m oved fr om th e n otebook w h en w or k in g on th e LCD/Disp la y a ssem bly.  
c
1. Use a n arrow piece of plastic or poin ted tweezers to apply ligh t  
pressu re to on e edge of th e lower screw covers. Th e lower screw  
covers will bow ou tward an d can be rem oved.  
2. Rem ove th e ru bber u pper screw covers u sin g a pair of tweezers.  
3. Rem ove th e six screws th at secu re th e bezel to th e display assem bly (a  
sm all Ph illips-h ead screwdriver is recom m en ded for rem ovin g th e two  
screws at th e top of th e bezel).  
4. Pu ll on th e in side edges of th e bezel; rem ove bezel an d lay aside for  
later rein stallation .  
5. Peel back th e EMI sh ield alon g th e righ t side of th e display to expose  
th e In verter Board an d th e Con trast Board.  
6. Discon n ect th e con n ectors at th e top an d bottom of th e In verter Board  
an d/ or Con trast Board.  
7. Use th e sm all Ph illips-h ead screwdriver to rem ove th e two screws  
h oldin g th e In verter Board or Con trast Board; rem ove th e Board  
Assem bly.  
8. Rein stallation of th e In verter or Con trast Board is th e reverse of Steps  
1 th rou gh 7 above.  
6 .5 .1 0 Rem ovin g/ Replacin g t h e Tou ch pad Assem bly  
To rem ove an d replace th e Tou ch pad Assem bly, perform th e followin g  
procedu re:  
1. Rem ove th e Upper Case Assem bly as described in Paragraph 6.5.4.  
2. Tu rn th e Upper Case Assem bly over an d rem ove th e fou r screws th at  
secu re a m etal sh ield to th e plastics.  
3. Lift th e plastic fram e th at rests on top of th e tou ch pad.  
4. Un plu g th e flex cable from th e con n ector on th e tou ch pad. Note th at  
th e board con n ector is a LIF (Low in sertion force) type; th e cable is  
h eld in place by friction .  
5. Slide th e board assem bly to th e righ t an d rem ove from th e u n it.  
6. Replacem en t of th e Tou ch pad Board Assem bly is essen tially th e  
reverse of Steps 1 th rou gh 5 above.  
6 -1 4 Field Service  
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6 .5 .1 1 Rem ovin g/ Replacin g t h e Sm art Bat t ery Board  
Con t rol Board  
To rem ove an d replace th e Sm art Battery Con trol Board, perform th e  
followin g procedu re:  
1. Rem ove th e Upper Case Assem bly as described in Paragraph 6.5.4.  
2. Discon n ect th e battery cable located n ext to HDD Con n ector.  
3. Rem ove th e two screws th at secu re th e board to th e plastics an d  
rem ove th e board.  
4. Replacem en t is essen tially th e reverse of steps 1 th rou gh 3 above.  
Not e: Wh en rein stallin g th e Sm art Battery Con trol Board, u se th e battery  
pack as a gu ide to en su re th at th e con n ector slots properly align with th e  
battery slots.  
6 .5 .1 2 Rem ovin g/ Replacin g t h e Ch arger/ Power  
Su pply Board Assem bly  
To rem ove an d replace th e Ch arger/ Power Su pply Board Assem bly, perform  
th e followin g procedu re:  
1. Rem ove th e Top Case Assem bly as described in Paragraph 6.5.4.  
2. Rem ove th e Floppy Drive Assem bly as described in Paragraph 6.5.5.  
3. Usin g a plastic stick, lift u p on th e en d of th e board th at is adjacen t to  
th e processor. Th e board assem bly sn aps ou t. Rem ove board from  
u n it.  
4. Replacem en t is essen tially th e reverse of Steps 1 th rou gh 3 above.  
6 .5 .1 3 Rem ovin g/ Replacin g t h e Main Board  
To rem ove an d replace th e Main Board Assem bly, perform th e followin g  
procedu re:  
1. Rem ove th e AC Adapter, Battery Pack an d an y in stalled PCMCIA  
option s from th e n otebook.  
2. Rem ove th e keyboard assem bly as described in Paragraph 6.5.2.  
3. Rem ove th e Heat Sin k as described in Paragraph 6.5.3.  
4. Rem ove th e Ch arger/ Power Su pply Board as described in Paragraph  
6.5.12.  
5. Discon n ect all in terboard cable con n ectors.  
Field Service 6 -1 5  
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6. Usin g a sm all flat blade screwdriver an d apply ligh t pressu re in a  
rockin g m otion to rem ove th e h ard drive cable con n ector.  
7. Rem ove fou r Ph illips-h ead screws (on e on each of th e fou r sides of th e  
h eat sin k open in g) secu rin g th e board to th e base assem bly. Do n ot  
rem ove th e sm aller screws wh ich are part of th e PCMCIA con n ector  
h ardware.  
8. Rem ove th e Ph illips h ead screw at th e left rear of th e Main Board.  
9. Lift u p alon g th e fron t edge of th e Main Board Assem bly u n til it clears  
th e h ard drive cavity; th en pu ll th e board forward an d ou t of th e  
plastics.  
10. Refer to Paragraph 6.5.14 an d tran sfer th e CPU to th e replacem en t  
Main Board.  
11. In spect th e two con figu ration DIP switch es on th e replacem en t board;  
en su re th at th e settin gs are as described in Figu re 6-5.  
12. Reassem bly is essen tially th e reverse of Steps 1 th rou gh 9 above.  
SW2  
SW1  
3
4
2
1
3
4
2
1
Switch 4  
ON, all  
others OFF  
All  
OFF  
ON  
ON  
Figu re 6 -5 Swit ch Set t in gs for Main Board  
6 .5 .1 4 Rem ovin g/ Replacin g t h e Pen t iu m Ch ip  
Th e illu stration in Figu re 6-6 sh ows th e procedu re for rem ovin g/ replacin g  
th e processor from / to th e processor socket on th e Main Board.  
1. Rem ove th e Main Board assem bly as described in Paragraph 6.5.13.  
2. In sert a sm all flat-blade screwdriver in to th e righ tm ost open in g as  
sh own in Figu re 6-6.  
6 -1 6 Field Service  
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3. Gen tly pry to th e left (with pin 1 align m en t at th e bottom righ t as  
sh own in Figu re 6-6).  
4. Gen tly rem ove th e ch ip from th e socket.  
5. To in stall a ch ip in to a vacan t CPU socket, in sert a flat blade  
screwdriver in to th e open in g at th e righ t side of th e processor socket  
(refer to Figu re 6-6) an d pry to th e left to u n lock socket.  
6. In sert th e processor ch ip in to th e socket.  
7. In sert a flat blade screwdriver in to th e slot on th e left side of th e  
processor socket an d pry to th e righ t to close an d lock th e CPU ch ip  
in to th e socket.  
Figu re 6 -6 Rem ovin g t h e Processor Ch ip  
Field Service 6 -1 7  
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A
Self Test Error Messages  
A.1  
In t rodu ct ion  
Th is appen dix con tain s referen ce data u sefu l in diagn osin g an d correctin g  
self test errors.  
Table A-1 Self Test Error Messages  
Error Message  
Correct ive Act ion  
CMOS Battery Bad  
Replace Main Board  
CMOS Ch ecksu m Error  
Cycle power to Notebook; if  
problem persists, rem ove an d re-  
place Main Board.  
Disk Boot Failu re  
In sert a system disk in drive A  
Diskette Drive Con troller Error or No  
Con troller Presen t  
Cycle power to Notebook; if  
problem persists  
Diskette Drive Error  
In sert Diskette an d retry; if  
problem persists, try an oth er  
diskette  
Ct rl-Alt -Esc  
th e system .  
Diskette Drive Type Mism atch  
Equ ipm en t Con figu ration Error  
Hard Disk 0 Error  
Press  
to recon figu re  
Ct rl-Alt -Esc  
th e system .  
Press  
to recon figu re  
Cycle power to Notebook; if  
problem persists, replace Hard  
Drive  
Hard Disk 0 Exten ded Type Error  
Cycle power to Notebook; if  
problem persists, replace Hard  
Drive  
In sert system diskette an d press key  
to reboot  
In sert a system disk in drive A  
I/ O Parity Error  
Cycle power to Notebook; if  
problem persists, replace Main  
Board  
Keyboard Error or No Keyboard  
Con n ected  
Cycle power to Notebook; if  
problem persists, ch eck keyboard  
con n ection s; if problem persists,  
replace Keyboard; if problem  
persists, replace Main Board.  
Error Messages A-1  
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Error Message  
Correct ive Act ion  
Keyboard In terface Error  
Cycle Power to Notebook. If  
problem persists, replace keyboard;  
if problem persists, replace Main  
Board.  
Mem ory Size Mism atch  
Missin g operatin g system  
En ter an d th en exit th e System  
Con figu ration Setu p in th e Setu p  
u tility.  
Correct th e HDD type an d reboot.  
Refer to th e specification label  
pasted on th e back side of th e  
n otebook or attach ed to h ard disk  
drive.  
Non -system disk or disk error. Replace  
an d strike an y key wh en ready  
In sert a system disk in drive A an d  
press an y key  
Poin tin g Device Error  
Cycle Power to Notebook; if  
problem persists, replace Tou ch pad.  
Poin tin g Device In terface Error  
Cycle Power to Notebook; if  
problem persists, open u p th e  
n otebook an d ch eck th e tou ch pad  
cablin g  
Protected Mode Test Fail  
RAM BIOS Bad  
Cycle power to Notebook  
Cycle power to Notebook  
RAM Parity Error.  
Cycle power to Notebook if problem  
persists, replace Main Board  
an d/ or DIMMs m odu les.  
Ct rl-Alt -Esc  
to recon figu re  
th e system .  
Real Tim e Clock Error  
Video RAM BIOS Bad  
Press  
Cycle power to Notebook  
Table A-2 POST Ch eck poin t List  
Descript ion  
Ch eck poin t  
No.  
D4h  
FCh  
Norm al POST start  
CMOS an d BIOS ROM ch ecksu m test skip or  
com plete  
01h  
02h  
03h  
80286 register test in -progress  
CMOS write/ read test in -progress or failu re  
BIOS ROM ch ecksu m in -progress or failu re  
A-2 Error Messages  
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Ch eck poin t  
No.  
Descript ion  
D4h  
04h  
Norm al POST start  
Program m able In terval Tim er test in -progress or  
failu re  
06h  
DMA page register write/ read test in -progress or  
fail  
08h  
09h  
0Ah  
0Bh  
0Ch  
0Dh  
10h  
20h  
21h  
22h  
RAM refresh verification in -progress or failu re  
1st 64K RAM test in -progress  
1st 64K RAM ch ip or data lin e failu re - m u lti-bit  
1st 64K RAM odd/ even logic failu re  
1st 64K RAM address lin e failu re  
1st 64K RAM parity test in -progress or failu re  
1st 64K RAM ch ip or data lin e failu re bit 0  
Slave DMA register test in -progress or failu re  
Master DMA register test in -progress or failu re  
Master in terru pt m ask register test in -progress  
or fail  
23h  
Slave in terru pt m ask register test in -progress or  
fail  
25h  
27h  
28h  
In terru pt vector loadin g in -progress  
Keyboard con troller test in -progress or failu re  
CMOS power -fail an d ch ecksu m ch ecks in -  
progress  
29h  
2Bh  
2Ch  
2Dh  
2Eh  
30h  
34h  
35h  
36h  
37h  
38h  
CMOS con fig in fo validation in -progress  
Screen m em ory test in -progress or failu re  
Screen in itialization in -progress or failu re  
Screen retrace tests in -progress or failu re  
Search for video ROM in -progress  
Screen believed operable  
Tim er tick in terru pt test in -progress or failu re  
Sh u tdown test in -progress or failu re  
Gate A20 failu re  
Un expected in terru pt in protected m ode  
RAM test in -progress or failu re above address  
0FFFFh  
Error Messages A-3  
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Ch eck poin t  
No.  
Descript ion  
D4h  
3Ah  
Norm al POST start  
In terval tim er ch an n el 2 test in -progress or  
failu re  
3Bh  
3Ch  
3Dh  
3Eh  
50h  
52h  
Tim e-Of-Day clock test in -progress or failu re  
Serial port test test in -progress or failu re  
Parallel port test test in -progress or failu re  
Math Coprocessor test in -progress or failu re  
In itial M1429  
Dyn am ic Mem ory Con figu ration & ch eck  
extern al Cach e size  
53h  
54h  
55h  
56h  
57h  
5Fh  
90h  
70h  
71h  
72h  
73h  
74h  
75h  
76h  
77h  
78h  
79h  
7Ah  
E0h  
E1h  
E3h  
E4h  
Sh adow BIOS  
Perform PCI device in itialization  
Ch eck CMOS ch ecksu m  
Ch eck CMOS con fig again st actu al  
En able/ disable en tern al cach e  
In itial Pn P device n odes  
En able/ disable extern al cach e  
For PCI  
For PCI  
For PCI  
For PCI  
For PCI  
For PCI  
Begin PCI devices in itialization  
Con figu res PCI VGA devices  
Except VGA  
Begin PCI service rou tin es  
PCI Option ROM in itialization  
Sh adow PCI n on -VGA option ROM  
Sh adow PCI VGA option ROM to C000 segm en t  
Start to fin d PCI option ROM  
Begin to sh adow PCI option ROM  
A-4 Error Messages  
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Ch eck poin t  
No.  
Descript ion  
D4h  
1Fh  
D1h  
Norm al POST start  
Begin to con figu res PCI VGA devices  
Allocate Space for option ROM  
Error Messages A-5  
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B
PC-Doct or Diagn ost ics  
B.1  
In t rodu ct ion  
Th e Exten sa Series Notebooks are sh ipped with PC-Doctor, a powerfu l  
diagn ostics tool th at can h elp you determ in e th e h ardware con figu ration of  
a local or rem ote system , ben ch m ark its perform an ce, an alyze th e  
perform an ce of all su bsystem s, an d perform a su ite of in teractive an d  
n on -in teractive tests on attach ed devices (su ch as prin ters, joystick devices,  
VGA m on itors, SCSI devices, CD-ROM drives). Th e test resu lts are stored in  
a log wh ich can be prin ted ou t (by pressin g F2 ) or saved in a disk file (by  
pressin g F3 ).  
Featu res of th e diagn ostic program are accessed th rou gh a series of  
pu ll-down m en u s an d basic keyboard keys (cu rsor keys to m ove h igh ligh ted  
poin ter, En t er key to select a h igh ligh ted featu re, Esc key to can cel a  
fu n ction an d m ove back on e level.)  
PC-Doctor is typically u ser frien dly bu t if you don t u n derstan d a featu re,  
con text-sen sitive "h elp" in form ation is available at an y tim e by pressin g th e  
F1 fu n ction key; pressin g th e F1 fu n ction key twice accesses th e on lin e  
Tech n ical Referen ce Man u al for PC-Doctor.  
A powerfu l set of u tilities with in PC-Doctor (th at can be ru n locally or  
rem otely) sim plify th e task of determ in in g system con figu ration data,  
allocatin g an d u sin g system m em ory, IRQ an d DMA u se, wh at device drivers  
are in stalled, wh at COM an d LPT ports are assign ed an d wh at ports are  
available, iden tifyin g partition in g data for fixed disk drive(s), determ in in g  
th e VGA setu p in form ation , readin g th e software in terru pts/ in terru pt  
vectors, etc.  
B.2  
St art in g PC-Doct or  
PC-Doctor com es pre-in stalled on you r Exten sa Series Notebook Com pu ter.  
To ru n th e u tility, reboot you r com pu ter.  
Th e system con tin u es th e boot process an d au tom atically displays th e  
PC-Doctor Diagn ostics m ain m en u .  
PC-Doctor Diagn ostics B-1  
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B.3 Mou se Navigat ion  
You can u se a m ou se to n avigate th rou gh PC-Doctor (altern ately u se th e  
arrow keys from th e keyboard). Use th e left m ou se bu tton to ch oose objects  
(m en u en tries an d action codes in squ are brackets). Use th e righ t m ou se  
bu tton as you wou ld th e Esc key to take you back to you r previou s step.  
Click on th e ? in th e u pper left corn er of th e screen for con text-sen sitive  
h elp Men u s.  
B.4 PC-Doct or Men u s  
Th ere are several selection s available from th e m en u bar of th e PC-Doctor  
Diagn ostics m ain m en u . Th ese in clu de:  
Diagn ost ics  
In t eract ive Test s  
Hardware In fo  
Ut ilit y  
Qu it  
B.4 .1  
On lin e Help (? )  
To obtain con text sen sitive h elp from an y m en u , press F1 . Pressin g F1  
twice (or clickin g on th e qu estion m ark in th e u pper left-h an d corn er of th e  
m en u ) provides you with com plete on lin e docu m en tation .  
B.4 .2  
Diagn ost ics  
Th e Diagn ostics m en u allows you to ru n n on -destru ctive tests with little or  
n o operator in teraction . Option s available from th e PC-Doctor Diagn ostics  
Men u in clu de:  
Syst em Test - tests all m ajor aspects of th e system except th ose fou n d  
in Mem ory, Hard Disk, Floppy Disk, an d th e Miscellan eou s Test  
categories.  
Mem ory Test - tests all types of m ain m em ory in th e system in clu din g  
base, exten ded, expan ded, an d u pper m em ory block (UMB) m em ory.  
Hard Disk Test - tests all h ard disk drives in th e system th at are eith er  
IDE or provide a BIOS com m an d in terface.  
Floppy Disk Test - tests all floppy disk drives in th e system .  
B-2 PC-Doctor Diagn ostics  
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All Test s - allows you to select wh ich tests to ru n . You can also specify  
special testin g option s. By pressin g F2 , th e followin g option s are  
available:  
Halt On Errors - in terru pts testin g if an error is detected.  
Not e: Extern al serial an d parallel port testin g requ ires loopback plu gs (n ot  
n
provided with th is software).  
Ext ern al Loopback - tests extern al loopback of COM an d LPT ports.  
You can select th e type of loopback adapter you wan t to u se.  
Pass Cou n t - selects h ow m an y tim es tests are repeated. Th e h igh -  
est lim it is 9999 tim es.  
Test Loggin g - open s th e Log Option s m en u th at lets you defin e  
h ow test resu lts are prin ted or stored to a file du rin g testin g. By de-  
fau lt, PC-Doctor produ ces a test resu lt file at th e en d of testin g if an  
error was detected.  
Swit ch LCD - lets you ch an ge you r video ou tpu t to eith er th e in ter-  
n al LCD, extern al m on itor, or Sim u lSCAN m ode. If you r system  
does n ot su pport Sim u lSCAN, both th e extern al m on itor an d th e  
bu ilt-in LCD screen go blan k.  
Cach e Con t rol - allows you to leave th e level 1 an d level 2 cach e en -  
abled du rin g m em ory testin g. Th is assists in trackin g down cach e  
tim in g issu es.  
B.4 .3  
In t eract ive Test s Men u  
In teractive tests are diagn ostics th at n eed u ser in teraction to com plete.  
In teractive tests in clu de:  
Keyboard - tests th e keyboard keys, LEDs, an d repeat rate  
Video - tests th e ch aracter sets, colors, m on itor, an d VGA  
Speak er - tests th e volu m e respon se at differen t frequ en cies  
Mou se - tests th e m ou se driver, bu tton s, an d fu n ction ality  
J oyst ick - calibrates th e joystick an d tests th e bu tton s. Du rin g th e  
test, th e joystick(s) sh ou ld first be calibrated. To calibrate th e joystick,  
m ove th e stick to th e extrem es in each direction . PC-Doctor registers  
th e coordin ate data an d adju sts th e screen display accordin gly.  
Disk et t e Drive - ch ecks diskette drive fu n ction ality  
Maxim u m Syst em Load - "bu rn -in " tests a system . Th is fu n ction  
sim u lates th e operatin g con dition s th at are produ ced by operatin g  
system s su ch as OS/ 2 an d Win dows NT. Som e system s are n ot  
com patible with th e Maxim u m system Load test.  
PC-Doctor Diagn ostics B-3  
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Prin t er Test - tests for th e correct acceptan ce an d execu tion of com m on  
prin ter con trol com m an ds. Prin ter test in form ation is stored in prin ter  
test files with an exten sion of .PDP.  
SCSI Test - PC-Doctor con tain s SCSI device testin g featu res th at work  
if you h ave an ASPI or CAM device driver loaded. You can select wh ich  
SCSI h ost adapter to work with if you h ave m ore th an on e SCSI adapter  
presen t.  
CD-ROM Test - tests CD-ROM drives u sin g th e Microsoft CD-ROM  
Exten sion s (MSCDEX) an d th e stan dard CD-ROM device drivers.  
B.4 .4  
Hardware In fo Men u  
Th is m en u con tain s fu n ction s th at determ in e an d report on th e setu p of th e  
com pu ter. Non e of th ese fu n ction s perform diagn ostic tests; h owever an y  
errors are in clu ded in th e reports. Th e followin g fu n ction s are available  
from th e Hardware In fo m en u :  
Syst em Con figu rat ion - lists m ain system con figu ration data  
Mem ory Con t en t s - sh ows allocation an d u se of system m em ory  
IRQ an d DMA u se - iden tifies in terru pts for all stan dard IRQ an d DMA  
devices  
Device Drivers - sh ows all essen tial data on DOS residen t an d  
in stallable device drivers  
COM an d LPT port s - displays in form ation abou t th e in stalled serial  
an d parallel ports. On ly ports th at are iden tified by BIOS are listed  
Ph ysical Disk Drives - sh ows th e basic ch aracteristics for each  
in stalled fixed disk drive in clu din g th e con ten ts of partition tables  
Logical Disk Drives - displays in form ation abou t each drive th at is  
available an d h as a disk in it. If Stacker or Dou bleSpace disk  
com pression software h as been in stalled, details abou t each "stacked"  
or "dou bled" drive is sh own  
VGA In form at ion - iden tifies th e type of in stalled VGA ch ip  
Soft ware In t erru pt s - displays software in terru pt vectors an d th e area  
of m em ory th ey poin t to  
SCSI Devices - lists in form ation abou t SCSI devices an d in terface cards  
if a CAM or ASPI com plian t SCSI device driver is presen t  
B.4 .5  
Ut ilit y Men u  
PC-Doctor h as a dedicated m en u for u tility fu n ction s. Th ese fu n ction s  
in clu de:  
Ru n Ext ern al Test s - ru n s oth er program s from PC-Doctor  
B-4 PC-Doctor Diagn ostics  
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Edit CMOS RAM - gives access to CMOS RAM data  
File Edit or - allows editin g of con figu ration files  
Su rface Scan Hard Disk - ch ecks for defects on th e h ard disk  
Ben ch m ark Syst em - m easu res system perform an ce  
DOS Sh ell - open s a DOS prom pt from with in PC-Doctor  
Term in al - gives access to devices con n ected to a serial port (su ch as a  
m odem )  
Mem ory Debu gger - displays m em ory con ten ts in eith er h exadecim al,  
decim al, or ASCII form  
Rem ot e Operat ion - en ables rem ote con trol if available  
Tech Su pport Form - allows you to collect in form ation abou t th e  
cu rren t system  
Bat t ery Ru n down - qu ickly deep-disch arges th e NiMh battery of a  
laptop com pu ter.  
B.5  
Qu it t in g PC-Doct or  
You can qu it PC-Doctor in th e followin g ways:  
Exit (Alt -F4 ) -  
Reboot - perform s a cold boot. PC-Doctor flu sh es all files an d attem pts  
to flu sh write-cach es  
Park HD - prepares a com pu ter for tran sport  
B.6  
Rem ot e Operat ion  
Th is selection on ly appears in th e Utility m en u if you r PC-Doctor su pports  
rem ote con trol. Th is en try open s th e Rem ote Operation m en u if you are n ot  
yet on lin e, or closes th e rem ote con n ection if th e system is already rem otely  
con trolled.  
Wh en PC-Doctor is operated rem otely, it is possible to perform a rem ote  
reboot. Rem ote rebootin g is a com plicated procedu re th at reloads th e  
operatin g system an d m akes ch an ges to CMOS RAM an d con figu ration files.  
For fu rth er in form ation on rem ote operation s, refer to on lin e docu m en tation  
or h elp.  
PC-Doctor Diagn ostics B-5  
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Printed in U.S.A.  
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