Multi Tech Systems Computer Hardware ISI551PC User Manual

MultiTech  
Systems  
Intelligent Serial Interface (ISI)  
Model ISI551PC Card  
Owner's Manual  
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NOTE: This equipment has been tested and found to comply  
with the limits for a Class B digital device, pursuant to Part 15 of  
the FCC Rules. These limits are designed to provide reasonable  
protection against harmful interference when the equipment is  
operated in a residential installation. This equipment generates,  
uses and can radiate radio frequency energy, and if not installed  
and used in accordance with the instruction manual, may cause  
harmful interference to radio communications. However, there is  
no guarantee that interference will not occur in a particular  
installation. If this equipment cause harmful interference to radio  
or television reception, which can be determined by turning the  
equipment off and on, the user is encouraged to try to correct the  
interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit  
from that of which the receiver is connected.  
different  
Consult the dealer or an experienced radio/TV technician for  
help.  
WARNING: Changes or modifications to this unit not expressly  
approved by the party responsible for compliance could void the  
user’s authority to operate this equipment.  
This device complies with Part 15 of the FCC rules. Operation is  
subject to the following conditions: (1) This device may not cause  
harmful interference, and (2) this device must accept any  
interference received, including interference that may cause  
undesired operation.  
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Owner's Manual  
P/N 82031702, Rev. C  
ISI551PC  
This publication may not be reproduced, in whole or in part, without  
prior expressed written permission from Multi-Tech Systems, Inc.. All  
rights reserved.  
Copyright © 1995, by Multi-Tech Systems, Inc.  
Multi-Tech Systems, Inc., makes no representation or warranties with  
respect to the contents hereof and specifically disclaims any implied  
warranties of merchantability or fitness for any particular purpose.  
Furthermore, Multi-Tech Systems, Inc., reserves the right to revise  
this publication and to make changes from time to time in the content  
hereof without obligation of Multi-Tech Systems, Inc., to notify any  
person or organization of such revisions or changes.  
RecordofRevision  
C
Manual revised with format and editorial  
(2/6/95) changes  
TRADEMARKS  
Multi-Tech, MultiExpress, MultiModemII and the Multi-Tech logo:  
Multi Tech Systems, Inc.  
-
i386, i486: Intel Corporation  
PC-DOS: International Business Machines Corporation  
Multi-Tech Systems, Inc.  
2205 Woodale Drive  
Mounds View, Minnesota 55112 U.S.A.  
(612) 785-3500 or (800) 328-9717  
U. S. FAX 612-785-9874  
Technical Support (800) 972-2439  
BBS (612) 785-3702 or (800) 392-2432  
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TABLE OF CONTENTS  
CHAPTER 1  
INTRODUCTION & DESCRIPTION  
Introduction...........................................1-1  
Product Description ..............................1-2  
How to Use This Manual ......................1-2  
Technical Specifications ......................1-3  
1.1  
1.2  
1.3  
1.4  
CHAPTER 2  
HARDWARE INSTALLATION  
2.1  
2.2  
2.3  
ISI Card Installation ..............................2-1  
Determining Current System Settings .2-1  
Hardware Installation Procedure..........2-3  
CHAPTER 3  
SERVICE, WARRANTY, AND TECHNICAL  
SUPPORT  
3.1  
3.2  
3.3  
Introduction...........................................3-1  
Limited Warranty ..................................3-1  
Tech Support ........................................3-2  
3.3.1 Recording ISI551PC Information 3-3  
3.3.2 Service ........................................3-4  
About the Multi-Tech BBS....................3-5  
3.4.1 How to Use the Multi-Tech BBS .3-6  
About CompuServe/Internet ................3-7  
3.4  
3.5  
Appendix A:  
I/O Address Switch Settings  
A-1  
i
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1.1 Introduction  
The introduction of high speed, data compression  
TM  
modems, such as Multi-Tech's MultiModemII  
Series, has shown that many PC serial ports are  
unable to keep up, essentially becoming a bottleneck  
for the entire system. The ISI551PC card provides  
processing power to reliably transmit data up to  
115.2K bps. Using an ISI enables your system's  
processortoperformmoreefficiently.Thisisbecause  
the ISI handles all of the byte-by-byte interrupts  
generated by the asynchronous terminals and stores  
the data in buffers. The ISI then generates one  
interrupt for an entire block of information and  
transfers the block to the system's microprocessor.  
This manual provides the hardware installation  
procedures for the ISI551PC card. The ISI551PC  
card is used with Multi-Tech's high speed modems;  
and is a high speed, buffered, single-port serial card,  
with its own on board processor. The operation of  
thecardprovidesthebasisforitsnameISI(Intelligent  
SerialInterface),551indicatingtheprocessingpower  
of a 16550A UART and one port support, and PC  
indicating that it is an ISA bus card (8 bit), which is  
abletooperateinany286,386,486orPentiumISAor  
EISA compatible bus personal computer. The  
ISI551PC card can be accessed by any software  
writtentothe16550Aspecification.  
1-1  
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This manual contains product specifications,  
installation instructions, configuration and technical  
support information which will assist you in the  
operation process. It is assumed that you have basic  
PC skills at the very least. Therefore, we have not  
included step-by-step instructions for basic  
operations such as logging in and file editing, etc.  
1.2 ProductDescription  
The ISI551PC card is a single port serial expansion  
card which adds data buffering for enhanced serial  
port performance. The ISI551PC features a 9-pin  
connector (one DB-9), and is a "half-size" expansion  
card that supports a high-speed interface (up to  
115.2K bps via 32K bytes of RAM). The ISI551PC  
features a bank of 8 DIP-Switches for I/O address  
selectionandonejumperblockforIRQlevelselection.  
1.3 How to Use This Manual  
Thischapterbeginswithashortintroduction,product  
description, followed by a guide (which you are now  
reading) to the use of this manual, as well as the  
ISI551PC’s technical specifications.  
1-2  
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This manual includes hardware configuration and  
installation procedures described in Chapter 2.  
Chapter 3 covers technical support, warranty and  
BBS information. Appendix A describes complete  
information on Base I/O addressing.  
1.4 TechnicalSpecifications  
ComputerRequirements  
· 286-, 386- or 486- based PC or compatible  
OperatingTemperature  
· 0° to 50°C (32° to 120°F)  
SerialInterface  
· RS232C, RS232D  
Bus Type  
· IBM PC standard (ISA bus) or EISA  
PowerConsumption  
· 750 mAmps @ +5 VDC  
· 100 mAmps @ +12 VDC  
· 100 mAmps @ -12 VDC  
1-3  
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CardDimensions  
ISI551PC  
· 4.95" L x 2.375" W x .062" D  
· 12.5 cm L x 6.0 cm W x .16 cm D  
BaudRates  
· Up to 115.2K bps  
ConnectorTypes  
· One DB-9 on ISI551PC  
I/OAddress  
· Set by hardware DIP-Switch, valid range 100H to  
3F8H (See Appendix A)  
InterruptRequest  
· Set by hardware Jumper, valid IRQs -- 2, 3, 4, 5,  
7, 10, 11, 12, & 15  
1-4  
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2.1 ISI Card Installation  
This chapter provides you with the procedures to  
install the Multi-Tech ISI551PC card in your ISA or  
EISA bus personal computer.  
Hardware installation involves:  
1)  
2)  
Opening your PC.  
Setting card configuration (determining  
I/O address DIP-Switch setting and IRQ  
jumper setting).  
3)  
Installing the card into the PC.  
2.2 Determining Current System  
Settings  
When you install a serial device into your computer,  
the processor must have a means of routing  
information to and from the device and the device  
must have a means of gaining the processor's  
attention. These are called Input/Output (I/O)  
addresses and Interrupt Requests (IRQs),  
respectively. The ISI551PC card requires eight I/O  
addresses and one IRQ value which are not used  
by any other device in your system. When selecting  
a unique base I/O address, be sure that the other  
addresses are also unused. (For example, if you  
2-1  
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use the base I/O address of 380h, addresses 380h-  
387h must be unused.)  
To select an unused I/O address and an IRQ value,  
it may be necessary to find out which values are  
already in use. To determine your system's current  
settings, refer to Appendix A. The ISI551PC is  
shipped with the IRQ set to level 3 and the base I/O  
address at 2F8 hex. If you are certain that these  
settings are not already in use, continue with the  
hardware configuration and installation.  
Note: If you choose IRQ 3 or 4, you may have to  
remove the serial I/Odevice from your  
configuration files. The ISI551PC cards do not  
allow you to select IRQ 6 because it is almost  
universally used for the floppy drive of a  
computer. Also, most computers will not be  
able to assign IRQ 2 to the ISI because IRQ 2 is  
used for slave control.  
2-2  
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2.3 Hardware Installation Procedure  
Perform the procedures in Table 2-1 to configure  
and install the ISI551PC card into your ISA or EISA  
bus host computer.  
Table 2-1  
ISI Configuration and Installation Procedure  
Step  
Procedure  
1
Make sure your computer and  
any peripheral equipment  
connected to it, are turned off.  
Failure to do so may damage  
both your ISI card and your PC.  
The card may be installed in any  
286-, 386- or 486-based  
computer with an ISA or EISA  
bus architecture.  
Figure 2-1. I/O Address Switch/IRQ Jumpers  
2-3  
2
Remove the cover of your  
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Table 2-1 (cont'd)  
ISI Configuration and Installation Procedure  
Step  
Procedure  
computer as instructed in your  
computer’s documentation.  
3
Locate the unused slot(s) which  
you will be using for your ISI  
card, and remove the slot  
cover(s) per the instructions in  
your computer’s documentation.  
4a  
The figure below shows the  
default settings for this card.  
Record any changes made to  
the Base I/O Address settings.  
The default Base I/O Address is  
2F8 (COM2). The valid range is  
100H - 3F8 H; refer to Appendix  
A for a full table of address  
settings.  
O(pen) = OFF  
C(losed) = ON  
Figure 2-2. I/O Address Default  
2-4  
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Table 2-1 (cont'd)  
ISI Configuration and Installation Procedure  
Step  
Procedure  
4b  
Select a unique I/O Address for  
your ISI551PC card using the  
block of 8-position DIP-Switches  
on your ISI circuit board. Figure  
2-3 shows various I/O  
addressing and IRQ settings.  
5
Record any changes you  
make to these settings and  
keep them handy for the  
driver installation.  
Com Port I/O Address Setting  
IRQ Level  
COM1  
COM2  
COM3  
COM4  
Figure 2-3. I/O Address and IRQ Level Settings  
2-5  
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Table 2-1 (cont'd)  
ISI Configuration and Installation Procedure  
Step  
Procedure  
6
InstalltheISIcardintotheselected  
expansion slot(s) in the same  
manner as any other add-on  
card, as instructed in your  
computer’s documentation.  
7
8
Fasten the retaining bracket to  
the computer chassis and  
replace the cover.  
Connect the appropriate cable to  
the ISI card. The ISI551PC has  
one DB-9 connector. The DB-9 is  
a DTE-type serial port suited for  
the connection of Data Circuit-  
terminatingEquipment, orDCEs.  
Note: Any cables connected to  
the computer should be shielded  
to reduce interference.  
9
Turn power on to your computer.  
2-6  
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If you are using MultiExpress communication  
software, note during your communication set-up  
that your ISI card is activated by choosing Serial and  
then Comm port selection. Do not use the MultiTech  
ISIselectionforthiscard. TheMultiTechISIselection  
is used with ISI models ISI502 and ISI508, which are  
older legacy products.  
2-7  
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3.1  
Introduction  
This chapter starts out with statements about  
your ISI551PC's 2-year warranty. The next  
section, Tech Support, should be read carefully if  
you have questions or problems with your  
ISI551PC. It includes the technical support  
telephone numbers, space for recording your  
ISI551PC information, and an explanation of how  
to send in your ISI551PC should you require  
service. The final two sections explain how to use  
our Bulletin Board Service (BBS), and a brief  
section on the CompuServe/Internet forums.  
3.2  
LimitedWarranty  
Multi-Tech Systems, Inc. (“MTS”) warrants that  
its products will be free from defects in material  
or workmanship for a period of two years from  
the date of purchase, or if proof of purchase is  
not provided, two years from date of shipment.  
MTS MAKES NO OTHER WARRANTY,  
EXPRESSED OR IMPLIED, AND ALL IMPLIED  
WARRANTIES OF MERCHANTABILITY AND  
FITNESS FOR A PARTICULAR PURPOSE ARE  
HEREBY DISCLAIMED. This warranty does not  
apply to any products which have been damaged  
by lightning storms, water, or power surges or  
3-1  
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which have been neglected, altered, abused,  
used for a purpose other than the one for which  
they were manufactured, repaired by the  
customer or any party without MTS’s written  
authorization, or used in any manner inconsistent  
with MTS’s instructions.  
MTS’s entire obligation under this warranty shall  
be limited (at MTS’s option) to repair or  
replacement of any products which prove to be  
defective within the warranty period, or, at MTS’s  
option, issuance of a refund of the purchase  
price. Defective products must be returned by  
Customer to MTS’s factory transportation  
prepaid.  
MTS WILL NOT BE LIABLE FOR  
CONSEQUENTIAL DAMAGES AND UNDER NO  
CIRCUMSTANCES WILL ITS LIABILITY  
EXCEED THE PURCHASE PRICE FOR  
DEFECTIVE PRODUCTS.  
3.3  
TechSupport  
Multi-Tech has an excellent staff of technical  
support personnel available to help you get the  
most out of your Multi-Tech product. If you have  
3-2  
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any questions about the operation of this unit,  
call 1-800-972-2439. Please fill out the ISI551PC  
information (below), and have it available when  
you call. If your ISI551PC requires service, the  
tech support specialist will guide you on how to  
send in your ISI551PC (see Section 3.3.2).  
3.3.1 RecordingISI551PC  
Information  
Please fill in the following information on your  
Multi-Tech ISI551PC. This will help tech support  
in answering your questions.  
ISI551PC Model No.:  
ISI551PC Serial No.:  
ISI551PC Firmware Version:  
DataComm Software Type/Version:  
Please note the status of your ISI551PC before  
calling tech support.  
3-3  
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3.3.2 Service  
If your tech support specialist decides that  
service is required, ISI551PCs may be sent  
(freight prepaid) to our factory. Return shipping  
charges will be paid by Multi-Tech Systems.  
Include the following with your ISI551PC:  
• a description of the problem.  
• return billing and return shipping addresses.  
• contact name and phone number.  
• check or purchase order number for  
payment if the ISI551PC is out of warranty.  
(The standard repair charge for this  
ISI551PC is $95. This price is valid at the  
time of this publication but could change in  
the future. Check with your technical  
support specialist.)  
• if possible, note the name of the technical  
support specialist with whom you spoke.  
If you need to inquire about the status of the  
returned product, be prepared to provide the serial  
number of the product sent (see Section 3.3.1).  
3-4  
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Send ISI551PCs to this address:  
MULTI-TECH SYSTEMS, INC.  
2205 WOODALE DRIVE  
MOUNDS VIEW, MINNESOTA 55112  
ATTN: SERVICE OR REPAIRS  
You should also check with the supplier of your  
ISI551PC on the availability of local service and/or  
loaner units in your part of the country. You may  
call us at 1-800-328-9717 or (612) 785-3500 (in  
Minnesota).  
3.4  
AbouttheMulti-TechBBS  
Multi-Tech Systems maintains a Bulletin Board  
Service (BBS) for its customers. The information  
available via the BBS includes: new product  
information, product upgrade data, problem  
solving tips, and a message service for you to  
leave questions for which you would like  
additional information. The phone number for the  
Multi-Tech BBS is (612) 785-9875 or (800) 392-  
2432 (U.S.A. and Canada). The BBS can be  
accessed by any asynchronous modem  
operating at 28,800-1200 bps with a setting of 8  
bits, 1 stop bit, and no parity (V.34 and  
downward compatible).  
3-5  
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3.4.1 HowtoUsetheMulti-Tech  
BBS  
To use Multi-Tech's BBS, perform the following  
steps.  
1. Dial our BBS at 1-800 392-2432 (U.S.A. and  
Canada) or 612-785-9875 (International).  
2. Set your computer or communications  
program to "8N1", and to emulate ANSI (e.g.,  
with MultiExpress software, press ALT-S and  
choose "ANSI").  
3. At the prompt, type your first name, last  
name, password, then hit RETURN. If you are  
a first time caller, after you hit RETURN the  
BBS asks if your name is spelled correctly. If  
you say yes, our questionnaire is displayed.  
You can use our BBS on your first call.  
4. There are four BBS areas: the Main Menu,  
the Files Menu, Bulletins (from the main  
Menu), and the Message Menu. All Bulletins  
are Menu-driven. To read the Bulletins, enter  
the number of the bulletin you wish to read.  
5. File Menu: from the Main Menu, type F: and  
the Files are displayed. If you want a list of  
directories, type L (list directory) and then  
type L again for a list of all directories. If you  
do not type the second L, you will list all of  
3-6  
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the files on the BBS. At the list of the  
directories, select the number of directories  
required. A list of files and a description for  
each of the files is displayed. Select a file that  
you would like to download; if you already  
know the file name, type D at the Files Menu  
to download the selected file(s). P ess V to  
view a text file.  
6. At the Message Menu, you can leave a  
message to the Sysop (you can not read  
messages at this point). The BBS will tell you  
if you have a personal message (mail). At the  
prompt (would you like to read it now?), type  
R for read now. You must read your  
message(s) when you first access the BBS.  
3.5  
AboutCompuServe/Internet  
In addition to the BBS, Multi-Tech provides  
support through CompuServe's Modem Vendor  
Forum (GOMODEMVEN) under GO  
MULTITECH. Refer to your CompuServe  
documentation for special operating procedures.  
3-7  
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Multi-Tech is a commercial user of the Internet,  
and messages are retrieved from our customers  
on a periodic basis. If you prefer receiving  
technical support viathe Internet, plaese address  
your message to: [email protected].  
Multi Tech also maintains a home page on the  
World Wide Web at the following address:  
Multi Tech also maintains a FTP Server at the  
following address:  
FTP.multitech.com  
3-8  
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Appendix A Base I/O Address  
Switch Settings  
The table below provides the DIP-Switch settings for  
valid base I/O addresses of the ISI551PC. The  
switches can be set to "OPEN" (O in the table below)  
or to "CLOSED" (C in the table below). Holding the  
board with the switch facing you (reading numbers  
1-8 left to right), the "UP" position for the switch is  
OPEN, and the "DOWN" position is CLOSED. "S1"  
below is labeled as "1" on the left side of the switch  
and so on, through S8. For an example, turn to page  
A-3 and compare the default switch settings (2F8)  
with the address 380h listing.  
Table A-1  
I/O Address Switch Settings for ISI Cards  
I/O Addr. DIP-Switch Settings  
(hex) S1 S2 S3 S4 S5 S6 S7 S8  
100  
108  
110  
118  
120  
128  
130  
138  
140  
148  
150  
158  
160  
168  
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
C
C
C
C
O
O
O
O
C
C
C
C
O
O
C
C
C
C
C
C
C
C
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
A
-1  
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Table A-1(cont'd)  
I/O Address Switch Settings for ISI Cards  
(hex) S1 S2 S3 S4 S5 S6 S7 S8  
170  
178  
180  
188  
190  
198  
1A0  
1A8  
1B0  
1B8  
1C0  
1C8  
1D0  
1D8  
1E0  
1E8  
1F0  
1F8  
200  
208  
210  
218  
220  
228  
230  
238  
240  
248  
250  
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
O
C
C
C
C
O
O
O
O
C
C
C
C
O
O
O
O
C
C
C
C
O
O
O
O
C
C
C
O
O
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
O
O
O
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
A
-2  
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Table A-1(cont'd)  
I/O Address Switch Settings for ISI Cards  
(hex) S1 S2 S3 S4 S5 S6 S7 S8  
258  
260  
268  
270  
278  
280  
288  
290  
298  
2A0  
2A8  
2B0  
2B8  
2C0  
2C8  
2D0  
2D8  
2E0  
2E8  
2F0  
*2F8  
300  
308  
310  
318  
320  
328  
330  
338  
340  
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
O
O
C
C
C
C
O
O
O
O
C
C
C
C
O
O
O
O
C
C
C
C
O
O
O
O
C
O
O
O
O
O
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
O
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
*Address 2F8 is the Factory Default  
A
-3  
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Table A-1(cont'd)  
I/O Address Switch Settings for ISI Cards  
(hex) S1 S2 S3 S4 S5 S6 S7 S8  
348  
350  
358  
360  
368  
370  
378  
380  
388  
390  
398  
3A0  
3A8  
3B0  
3B8  
3C0  
3C8  
3D0  
3D8  
3E0  
3E8  
3F0  
3F8  
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
O
O
C
C
C
O
O
O
O
C
C
C
C
O
O
O
O
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
A
-4  
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Index  
A
About CompuServe ........................... 3-7  
About the Multi-Tech BBS .................. 3-5  
B
Base I/O Switch Settings ................... A-1  
Baud Rates ...................................... 1-4  
Bus Type ......................................  
1-3  
C
Card Dimensions .............................. 1-4  
CompuServe .................................... 3-7  
Computer Requirements ................... 1-3  
Connector Types ............................... 1-4  
H
Hardware Installation Procedure ........ 2-3  
How to Use the Multi-Tech BBS.......... 3-6  
How to Use This Manual .................... 1-2  
1-Index  
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I
I/O Address ....................................... 1-4  
I/O Address Switch and IRQ Jumper  
Locations .................................. 2-3  
Introduction ....................................... 1-1  
ISI Card Installation ............................ 2-1  
L
Limited Warranty ............................... 3-1  
M
Multi-Tech BBS ................................. 3-5  
O
Operating Temperature ...................... 1-3  
P
Power Consumption .......................... 1-3  
Product Description ........................... 1-2  
R
Recording ISI551PC Information ........ 3-3  
2-Index  
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S
Serial Interface ................................ 1-3  
Service ............................................. 3-4  
T
Tech Support .................................... 3-2  
Technical Specifications ..................... 1-3  
W
Warranty........................................... 3-1  
3-Index  
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