Seagate MEDALIST 3240 User Manual

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Medalist 3240  
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Medalist 2531  
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ATA Interface Drives  
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Product Manual  
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Medalist 3240 (ST33240A)  
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Medalist 2531 (ST32531A)  
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ATA Interface Drives  
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Product Manual  
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1997 Seagate Technology, Inc. All rights reserved  
Publication Number: 20401033-001, Rev. A, March 1997  
Seagate, Seagate Technology, the Seagate logo, Medalist and the  
Medalist logo are either trademarks or registered trademarks of Seagate  
Technology, Inc. Other product names are registered trademarks or  
trademarks of their owners.  
Seagate reserves the right to change, without notice, product offerings  
or specifications. No part of this publication may be reproduced in any  
form without written permission from Seagate Technology, Inc.  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
iii  
Contents  
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
Specification summary table . . . . . . . . . . . . . . . . . . . 2  
1.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . 5  
1.1 Formatted capacity . . . . . . . . . . . . . . . . . . . . . 5  
1.1.1 Default logical geometry . . . . . . . . . . . . . . . . 5  
1.1.2 Supported CHS translation geometries . . . . . . . . 5  
1.2 Physical organization . . . . . . . . . . . . . . . . . . . . 6  
1.3 Recording and interface technology . . . . . . . . . . . . . 6  
1.4 Physical characteristics . . . . . . . . . . . . . . . . . . . 6  
1.5 Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
1.6 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . 7  
1.7 Power specifications . . . . . . . . . . . . . . . . . . . . . 8  
1.7.1 Power consumption . . . . . . . . . . . . . . . . . . 8  
1.7.2 Conducted noise . . . . . . . . . . . . . . . . . . . . 9  
1.7.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . 9  
1.7.4 Power-management modes . . . . . . . . . . . . . . 10  
1.8 Environmental tolerances . . . . . . . . . . . . . . . . . . 11  
1.8.1 Ambient temperature . . . . . . . . . . . . . . . . . . 11  
1.8.2 Temperature gradient . . . . . . . . . . . . . . . . . 11  
1.8.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . 11  
1.8.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . 11  
1.8.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
1.8.6 Vibration . . . . . . . . . . . . . . . . . . . . . . . . 12  
1.9 Drive acoustics . . . . . . . . . . . . . . . . . . . . . . . 13  
1.10 Electromagnetic susceptibility . . . . . . . . . . . . . . . 13  
1.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
1.12 Agency certification . . . . . . . . . . . . . . . . . . . . 14  
1.12.1 Safety certification . . . . . . . . . . . . . . . . . . 14  
iv  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
1.12.2 Electromagnetic Compatibility . . . . . . . . . . . . 14  
1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . 14  
2.0 Drive mounting and configuration . . . . . . . . . . . . . . 17  
2.1 Handling and static-discharge precautions . . . . . . . . . 17  
2.2 Jumper settings . . . . . . . . . . . . . . . . . . . . . . . 17  
2.2.1 Master/slave configuration . . . . . . . . . . . . . . . 17  
2.2.2 Alternate capacity jumper . . . . . . . . . . . . . . . 17  
2.3 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . 18  
3.0 ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . 21  
3.1 ATA interface signals and connector pins . . . . . . . . . . 21  
3.1.1 AT bus signal levels . . . . . . . . . . . . . . . . . . 21  
3.2 ATA Interface commands . . . . . . . . . . . . . . . . . . 23  
3.2.1 Supported ATA commands . . . . . . . . . . . . . . . 23  
3.2.2 Identify Drive command . . . . . . . . . . . . . . . . 25  
3.2.3 Set Features command . . . . . . . . . . . . . . . . 28  
3.2.4 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . 29  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
v
Figures  
Figure 1. Typical startup and operation current profile . . . . . . . 9  
Figure 2. Master/slave jumpers and alternate capacity jumper . . 18  
Figure 3. Drive mounting dimensions—top, end and side view . . . 19  
Figure 4. I/O pins and supported ATA signals . . . . . . . . . . . 22  
vi  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
1
Introduction  
The Medalist® 3240 (ST33240A) and Medalist 2531 (ST32531A) provide  
the following key features:  
Low power consumption  
Quiet operation  
Support for S.M.A.R.T drive monitoring and reporting  
High instantaneous (burst) data-transfer rates (up to 16.6 Mbytes per  
second) using PIO mode 4 and DMA mode 2  
Full-track multisector transfer capability without local processor inter-  
vention  
128-Kbyte adaptive multisegmented cache  
State-of-the-art caching and on-the-fly error-correction algorithms  
Support for Read/Write Multiple commands  
Support for autodetection of master/slave drives using cable select  
(CSEL)  
2
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Specification summary table  
The specifications listed in this table are for quick reference. For details  
on specification measurement or definition, see the appropriate section  
of this manual.  
Drive Specification  
ST33240A  
ST32531A  
Guaranteed Mbytes (×106 bytes)  
Guaranteed sectors  
3,227  
6,303,024  
512  
2,557  
4,995,648  
512  
Bytes per sector  
Default sectors per track  
Default read/write heads  
Default cylinders  
63  
16  
6,253  
4,956  
Physical read/write heads  
Discs  
8
4
6
3
Recording density (bits/inch max)  
Track density (tracks/inch)  
Areal density (Mbits/inch2)  
Spindle speed (RPM)  
108,770  
5,104  
553  
4,500  
88  
Internal data-transfer rate (Mbits/sec max)  
I/O data-transfer rate (Mbytes/sec max)  
ATA data-transfer modes supported  
16.6  
PIO modes 0, 1, 3, 4;  
Multiword DMA modes 0, 1, 2  
Cache buffer (Kbytes)  
128  
Height (mm max)  
26.2  
Width (mm max)  
102.1  
Length (mm max)  
146.9  
Weight (grams typical)  
567.5  
Track-to-track seek time (msec typical)  
Average seek time (msec typical)  
Full-stroke seek time (msec typical)  
Average latency (msec)  
2 (seek), 2.5 (read), 3.5 (write)  
12 (seek), 12.5 (read), 14.5 (write)  
23.5 (seek), 24 (read), 25 (write)  
6.67  
9
Power-on to ready (sec typical)  
Standby to ready (sec typical)  
9
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
3
Drive Specification  
ST33240A  
ST32531A  
Startup current: 12V (peak)  
5V (RMS)  
1.6 amps  
0.5 amps  
4.3 watts  
Seek power (mean)  
Operating power (typical)  
4.6 watts  
Idle mode power (typical)  
4.5 watts  
Standby mode power (typical)  
Sleep mode power (typical)  
1.0 watts  
0.7 watts  
Voltage tolerance (including noise)  
Ambient temperature (°C)  
± 5%  
5 to 55 (op.), –40 to 60 (nonop.)  
20  
Temperature gradient (°C per hour max)  
Relative humidity (op. and nonop.)  
Relative humidity gradient  
8% to 80%  
10% per hour max  
29 (op.and nonop.)  
Wet bulb temperature (°C max)  
Altitude (meters above mean sea level, max)  
–61 to 3,048 (op.)  
–61 to 12,192 (nonop.)  
Shock, operating (Gs max at 11 msec)  
Shock, nonoperating (Gs max at 11 msec)  
Vibration, operating  
5
75  
0.020 in. (peak to peak, 5–22 Hz)  
0.50 G (0 to peak, 22–350 Hz)  
Vibration, nonoperating  
0.081 in. (peak to peak, 5–22 Hz)  
5 Gs (0 to peak, 22–350 Hz)  
Drive acoustics (bels—sound power)  
Idle mode  
3.7 (typical)  
4.1 (max)  
Drive acoustics (bels—sound power)  
Read/Write mode  
4.3 (typical)  
4.5 (max)  
Nonrecoverable read errors  
1 per 1014 bits read  
Mean time between failures (power-on hours)  
300,000  
Contact start-stop cycles  
(40°C, ambient humidity)  
40,000  
Service life (years)  
5
4
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
5
1.0 Drive specifications  
Unless otherwise noted, all specifications are measured under ambient  
conditions, at 25°C, and nominal power. For convenience the phrases  
the drive and this drive are used throughout this manual to indicate both  
the ST33240A and the ST32531A.  
1.1 Formatted capacity  
ST33240A  
ST32531A  
Guaranteed Mbytes  
(1 Mbyte = 106 bytes)  
3,227  
2,557  
Guaranteed sectors  
Bytes per sector  
6,303,024  
512  
4,995,648  
512  
Note. DOS systems cannot access more than 528 Mbytes on a drive  
unless 1) the host system supports and is configured for LBA ad-  
dressing or for extended CHS addressing, 2) the host system  
contains a specialized drive controller, or 3) the host system runs  
BIOS translation software. Contact your Seagate® representative  
for details.  
1.1.1 Default logical geometry  
CHS Mode  
ST33240A  
ST32531A  
63  
Sectors per track  
Read/Write heads  
Cylinders  
63  
16  
16  
6,253  
4,956  
LBA Mode  
When addressing either drive in LBA mode, all blocks (sectors) are  
consecutively numbered from 0 to n–1.  
1.1.2 Supported CHS translation geometries  
The ST33240A supports any translation geometry that satisfies all of the  
following conditions:  
Sectors per track 63  
Read/Write heads 16  
(Sectors per track) × (Read/Write heads) × (cylinders) 6,303,024  
6
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
The ST32531A supports any translation geometry that satisfies the  
sectors and head limitations above, and  
(Sectors per track) × (Read/Write heads) × (cylinders) 4,995,648  
1.2 Physical organization  
ST33240A  
ST32531A  
Read/Write heads  
Discs  
8
4
6
3
1.3 Recording and interface technology  
Interface  
ATA  
Recording method  
2/3 (1,7) RLL  
108,770  
5,104  
Recording density (bits/inch)  
Track density (tracks/inch)  
Areal density (Mbits/inch2)  
553.82  
4,500  
Spindle speed (RPM)  
( ± 0.5%)  
Internal data-transfer rate  
(Mbits per second max)  
88  
I/O data-transfer rate  
(Mbytes per second max)  
16.6 (PIO mode 4 with IORDY)  
16.6 (multiword DMA mode 2)  
Interleave  
1:1  
Cache buffer (Kbytes)  
128  
1.4 Physical characteristics  
Maximum height (mm)  
(inches)  
26.2  
1.03  
Maximum width  
(mm)  
(inches)  
102.1  
4.02  
Maximum length (mm)  
(inches)  
146.9  
5.78  
Typical weight  
(grams)  
(pounds)  
567.5  
1.25  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
7
1.5 Seek time  
All seek times are measured using a 486 AT computer (or faster) with an  
8.3 MHz I/O bus. The measurements are taken with nominal power at  
sea level and 25°C ambient temperature. All times are measured using  
drive diagnostics. The specifications in the table below are defined as  
follows:  
Track-to-track seek time is an average of all possible single-track  
seeks in both directions.  
Average seek time is a true statistical random average of at least 5,000  
measurements of seeks between random tracks, less overhead.  
Full-stroke seek time is one-half the time needed to seek from the first  
data cylinder to the maximum data cylinder and back to the first data  
cylinder. The full-stroke typical value is determined by averaging 100  
full-stroke seeks in both directions.  
Seek  
Read  
Write  
Seek type  
(msec, typ.) (msec, typ.) (msec, typ.)  
Track-to-track  
Average  
2.0  
2.5  
3.5  
12.0  
23.5  
12.5  
24.0  
14.5  
25.0  
Full-stroke  
Average latency: 6.67 msec  
Note. This drive is designed to consistently meet the seek times repre-  
sented in this manual. Physical seeks, regardless of mode (such  
as track-to-track and average) are expected to meet or exceed  
the noted values. Due to the manner in which this drive is for-  
matted, however, benchmark tests that include command over-  
head or measure logical seeks may produce results that vary  
from these specifications.  
1.6 Start/stop times  
Power-on to Ready (sec)  
9 (typical)  
9 (typical)  
Standby to Ready (sec)  
Ready to Complete Stop (sec) 9 (typical)  
8
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
1.7 Power specifications  
The drive receives DC power (+5V or +12V) through a four-pin standard  
drive power connector.  
1.7.1 Power consumption  
Power requirements for the drive are listed in the table below. Typical power  
measurements are based on an average of drives tested under nominal  
conditions, using 5.0V and 12.0V input voltages at room temperature.  
Spinup current is measured from the time of power-on to the time that  
the drive spindle reaches operating speed.  
During seek mode the read/write actuator arm moves toward a specific  
position on the disc surface before executing a read or write operation.  
Servo electronics are active. Seek mode power is measured through the  
drive’s serial port while the drive executes a series of sequential seeks.  
Operating power and current are measured using 40% random seeks,  
40% read/write mode (1 write for each 10 reads), and 20% drive inactive.  
Idle mode power is measured with the drive up to speed, servo electron-  
ics are active, and the heads are left in a random track location.  
During standby mode the drive accepts commands, but the drive is not  
spinning, and the servo and read/write electronics are in power-down  
mode.  
Mode  
Typical Watts RMS Typical Amps RMS  
5V  
12V  
Spinup  
Active  
0.5  
1.6 (Peak)  
Seeking  
4.3  
0.425  
0.180  
Operating  
Read/Write  
4.6  
4.5  
1.0  
0.7  
0.440  
0.440  
0.20  
0.200  
0.190  
Idle  
Standby  
Sleep  
0.140  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
9
1.7.1.1 Typical current profile  
Current (mA)  
1,400  
1,200  
1,000  
800  
600  
400  
200  
6
12  
Time (seconds)  
Figure 1. Typical startup and operation current profile  
18  
2
14 16  
0
4
8
10  
Figure 1 shows a typical current profile for the Medalist 3240 and the  
Medalist 2531.  
1.7.2 Conducted noise  
Input noise ripple is measured at the host system power supply across  
an equivalent 80-ohm resistive load on the +12 volt line or an equivalent  
15 ohm resistive load on the +5 volt line.  
Using 12-volt power the drive is expected to operate with a maximum  
of 120 mV peak-to-peak triangular-wave injected noise at up to 25  
MHz.  
Using 5-volt power the drive is expected to operate with a maximum  
of 100 mV peak-to-peak triangular-wave injected noise at up to 25  
MHz.  
Note. Equivalent resistance is calculated by dividing the nominal volt-  
age by the typical RMS read/write current.  
1.7.3 Voltage tolerance  
Voltage tolerance (including noise): ± 5%  
10  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
1.7.4 Power-management modes  
This drive provides programmable power management to provide  
greater energy efficiency. In most systems, you can control power  
management through the system setup program. This Seagate drive  
features several power-management modes, which are summarized in  
the following table and described in more detail below:  
Mode  
Active  
Idle  
Heads  
Spindle  
Rotating  
Rotating  
Stopped  
Stopped  
Buffer  
Moving  
Enabled  
Enabled  
Enabled  
Disabled  
Move every 3 minutes  
Parked  
Standby  
Sleep  
Parked  
Active mode. The drive is in Active mode during the read/write and seek  
operations.  
Idle mode. At power-on, the drive sets the idle timer to enter Idle mode  
after 5 seconds of inactivity. You can set the idle timer delay using the  
system setup utility. In Idle mode, the spindle remains up to speed. Every  
3 minutes, the drive performs a random seek. The buffer remains  
enabled, and the drive accepts all commands and returns to Active mode  
any time disc access is necessary.  
Standby mode. The drive enters Standby mode when the host sends a  
Standby Immediate command. If the host has set the standby timer, the  
drive can also enter Standby mode automatically after the drive has been  
inactive for a specifiable length of time. The standby timer delay is system-  
dependent and is usually established using the system setup utility. In  
Standby mode, the buffer remains enabled, the heads are parked and the  
spindle is at rest. The drive accepts all commands and returns to Active  
mode any time disc access is necessary.  
Sleep mode. The drive enters Sleep mode after receiving a Sleep  
Immediate command from the host. The heads are parked and the  
spindle is at rest. The drive leaves Sleep mode after it receives a Hard  
Reset or Soft Reset command from the host. After receiving a soft reset,  
the drive exits Sleep mode and enters Standby mode with all current  
emulation and translation parameters intact.  
Idle and standby timers. The drive sets the default time delay for the idle  
timer at power-on. In most systems, you can set this delay using the system  
setup utility. Each time the drive performs an Active function (read, write or  
seek), the idle and standby timers are reinitialized and begin counting down  
from their specified delay times to zero. If the idle timer reaches zero before  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
11  
any drive activity is required, the drive makes a transition to Idle mode.  
If the host has set the standby timer, the standby countdown continues.  
If the host has not set the standby timer, the drive remains in Idle mode.  
If the standby timer reaches zero before any drive activity is required, the  
drive makes a transition to Standby mode. In both Idle and Standby  
mode, the drive accepts all commands and returns to Active mode when  
disc access is necessary.  
1.8 Environmental tolerances  
1.8.1 Ambient temperature  
Operating  
5° to 55°C (41° to 131°F)  
Nonoperating  
–40° to 60°C (–40° to 140°F)  
Note. Above 1,000 feet (305 meters), the maximum temperature is der-  
ated linearly to 112 °F (44°C) at 10,000 feet (3,048 meters). Oper-  
ating ambient temperature is defined as the temperature of the  
environment immediately surrounding the drive.  
1.8.2 Temperature gradient  
Operating  
20°C / hr (68°F / hr) max, without condensation  
Nonoperating  
20°C / hr (68°F / hr) max, without condensation  
1.8.3 Humidity  
1.8.3.1 Relative humidity  
Operating  
8% to 80% noncondensing (10% per hour max)  
8% to 80% noncondensing (10% per hour max)  
Nonoperating  
1.8.3.2 Wet bulb temperature  
Operating  
28.9°C (84°F) max  
28.9°C (84°F) max  
Nonoperating  
1.8.4 Altitude  
Operating  
–61 m to 3,048 m (–200 ft to +10,000 ft)  
–61 m to 12,192 m (–200 ft to +40,000 ft)  
Nonoperating  
12  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
1.8.5 Shock  
For all shock specifications, it is assumed that the drive is mounted  
securely with the input shock applied at the drive mounting screws. Shock  
may be applied in the X, Y or Z axis. For the nonoperating specifications,  
it is assumed that the read/write heads are positioned in the shipping  
zone.  
Note. At power-down, the read/write heads automatically move to the  
shipping zone. The head assembly parks outside of the maxi-  
mum data cylinder. When power is applied, the heads recalibrate  
to Track 0.  
1.8.5.1 Operating shock  
The Medalist 3240 and the Medalist 2531 will comply with the performance  
levels specified in this document when subjected to a maximum operating  
shock of 5.0 Gs (based on half-sine shock pulses of 11 msec, as specified in  
MIL-STD-202F). Shocks are not to be repeated more than two times per  
second.  
1.8.5.2 Nonoperating shock  
The nonoperating shock level that the drive can experience without  
incurring physical damage or degradation in performance when sub-  
sequently put into operation is 75 Gs (based on nonrepetitive half-sine  
shock pulses of 11 msec duration, as defined in MIL-STD-202F).  
1.8.6 Vibration  
For all vibration specifications, it is assumed that the drive is mounted  
securely with the input vibration applied at the drive mounting screws.  
Vibration may be applied in the X, Y or Z axis. For the nonoperating  
specifications, it is assumed that the read/write heads are positioned in  
the shipping zone.  
1.8.6.1 Operating vibration  
The following table lists the maximum vibration levels that the drive may  
experience while meeting the performance standards specified in this  
document.  
5–22 Hz  
0.020 inches displacement (peak to peak)  
0.50 Gs acceleration (zero to peak)  
22–350 Hz  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
13  
1.8.6.2 Nonoperating vibration  
The following table lists the maximum nonoperating vibration that the  
drive may experience without incurring physical damage or degradation  
in performance when subsequently put into operation.  
5–22 Hz  
0.081-inch displacement (peak to peak)  
5 Gs acceleration (zero to peak)  
22–350 Hz  
1.9 Drive acoustics  
Drive acoustics are measured as overall A-weighted acoustic sound power  
levels (no pure tones). All measurements are generally consistent with ISO  
document 7779. Sound power measurements are taken under essentially  
free-field conditions over a reflecting plane. For all tests, the drive is oriented  
with the cover facing upward.  
Typical sound  
power (bels)  
Maximum sound  
power (bels)  
Mode  
Idle  
3.7  
4.3  
4.1  
4.5  
Read/Write  
1.10 Electromagnetic susceptibility  
The drive operates without errors when subjected to the following:  
Radiated noise  
3 volt/meter, 30 Hz to 1 GHz  
10 KVolts  
Electrostatic discharge*  
Magnetic field strength  
5 Gauss  
* Electrostatic discharge susceptibility is measured with the drive  
mounted in a representative computer system (mounted to a ground  
plane with earth grounding). Discharges are applied to the bezel or  
other external surfaces on the ground plane.  
1.11 Reliability  
Nonrecoverable read errors  
1 per 1014 bits read, max  
Mean time between failures  
300,000 power-on hours  
(nominal power, 25°C ambient  
temperature)  
14  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Contact start-stop cycles  
40,000 cycles  
(at nominal voltage and temperature,  
with 60 cycles per hour and a 50%  
duty cycle)  
Preventive maintenance  
None required  
1.12 Agency certification  
1.12.1 Safety certification  
The drive is recognized in accordance with UL 1950 and CSA C22.2  
(950) and meets all applicable sections of IEC 950 and EN 60950 as  
tested by TUV North America.  
1.12.2 Electromagnetic Compatibility  
Hard drives that display the CE marking comply with European Union  
requirements specified in Electromagnetic CompatibilityDirectives. Test-  
ing is performed to standards EN50082-1 and EN55022-B.  
Seagate uses an independent laboratory to confirm compliance with the  
EC directives specified in the previous paragraph. Drives are tested in  
representative end-user systems. Although CE-marked Seagate drives  
comply with the directives when used in the test systems, we cannot  
guarantee that all systems will comply with the directives. The drive is  
designed for operation inside a properly designed enclosure, with prop-  
erly shielded I/O cable (if necessary) and terminators on all unused I/O  
ports. Computer manufacturers and system integrators should confirm  
EMC compliance and provide CE marking for their products.  
1.12.3 FCC verification  
These drives are intended to be contained solely within a personal  
computer or similar enclosure (not attached as an external device). As  
such, each drive is considered to be a subassembly even when it is  
individually marketed to the customer. As a subassembly, no Federal  
Communications Commission verification or certification of the device is  
required.  
Seagate Technology, Inc. has tested this device in enclosures as de-  
scribed above to ensure that the total assembly (enclosure, disc drive,  
motherboard, power supply, etc.) does comply with the limits for a Class  
B computing device, pursuant to Subpart J, Part 15 of the FCC rules.  
Operation with noncertified assemblies is likely to result in interference  
to radio and television reception.  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
15  
Radio and Television Interference. This equipment generates and  
uses radio frequency energy and if not installed and used in strict  
accordance with the manufacturer’s instructions, may cause interference  
to radio and television reception.  
This equipment is designed to provide reasonable protection against  
such interference in a residential installation. However, there is no  
guarantee that interference will not occur in a particular installation. If this  
equipment does cause interference to radio or television, which can be  
determined by turning the equipment on and off, you are encouraged to  
try one or more of the following corrective measures:  
Reorient the receiving antenna.  
Move the device to one side or the other of the radio or TV.  
Move the device farther away from the radio or TV.  
Plug the computer into a different outlet so that the receiver and  
computer are on different branch outlets.  
Ifnecessary, you should consultyour dealer or an experienced radio/tele-  
vision technician for additional suggestions. You may find helpful the  
following booklet prepared by the Federal Communications Commission:  
How to Identify and Resolve Radio-Television Interference Problems.  
This booklet is available from the Superintendent of Documents,  
U.S. Government Printing Office, Washington, DC 20402. Refer to pub-  
lication number 004-000-00345-4.  
16  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
17  
2.0 Drive mounting and configuration  
2.1 Handling and static-discharge precautions  
After unpacking, and before installation, the drive may be exposed to  
potential handling and electrostatic discharge (ESD) hazards. You must  
observe standard static-discharge precautions. A grounded wrist-strap is  
preferred.  
Handle the drive only by the sides of the head/disc assembly. Avoid  
contact with the printed circuit board, all electronic components and the  
interface connector. Do not apply pressure to the top cover of the drive.  
Always rest the drive on a padded antistatic surface until you mount it in  
the host system.  
2.2 Jumper settings  
2.2.1 Master/slave configuration  
You must establish a master/slave relationship between two drives that are  
attached to a single AT bus. You can configure a drive to become a master  
or slave by setting the master/slave jumpers, shown in Figure 2 on page 18.  
This drive supports master/slave configuration using the cable select  
option. This requires a special daisy-chain cable that grounds pin 28  
(CSEL) on one of its two drive connectors. If you attach the drive to the  
grounded CSEL connector, it becomes a master. If you attach the drive  
to the ungrounded CSEL connector, it becomes a slave. To use this  
option, the host system and both drives must support cable select, and  
both drives must be configured for cable select. To configure this drive  
for cable select, install a jumper as shown in Figure 2.  
For the master drive to recognize the slave drive using the DASP– signal,  
the slave drive must assert the DASP– signal at power up, and the master  
drive must monitor DASP– at power up.  
2.2.2 Alternate capacity jumper  
Some older computers may “hang” if their BIOS detects a hard drive that  
has more than 4,092 cylinders at startup. To allow these computers to  
recognize the ST33240A and the ST32531A, this drive includes a  
capacity-limiting jumper, which sets the drive’s default translation ge-  
ometry to 4,092 cylinders. This limits the drive’s capacity to 2.1 Gbytes,  
unless third-party software is used.  
18  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
1
2
3
4
ATA interface  
connector  
pin 1  
3
1
Alternative  
capacity  
jumper  
4-pin power  
connector  
Master/slave  
jumper settings  
2
4
6
5
4 2  
1 3  
Full capacity (as shipped)  
Drive is slave  
Limit capacity to 2.1 Gbytes  
(4,092 cylinders)1  
Drive is master in single-  
or dual-drive system  
1. Use this jumper setting if your  
computer fails to boot because it  
cannot address drives with more  
than 4,096 cylinders.  
Drive is master with  
non-ATA-compatible slave2  
Enable cable select3  
2.  
Use this jumper setting only if the drive does  
not work with a single jumper on pins 5 and 6.  
3. Consult your computer manual to determine  
if your computer supports cable select  
Figure 2. Master/slave jumpers and alternate capacity jumper  
for the ST33240A and ST32531A  
2.3 Drive mounting  
You can mount the drive in any orientation using four screws in the  
side-mounting holes or four screws in the bottom-mounting holes. See  
Figure 3 on page 19 for drive mounting dimensions.  
Allow a minimum clearance of 0.030 inches (0.76 mm) around the  
entire perimeter of the drive for cooling.  
Use only 6x32 UNC mounting screws.  
Do not insert the mounting screws more than 0.22 inches (5.6 mm)  
into the bottom mounting holes.  
Do not insert the mounting screws more than 0.14 inches (3.6 mm)  
into the side mounting holes.  
Do not overtighten the mounting screws (maximum torque: 3 inch-lb).  
Do not use a drive interface cable that is more than 18 inches long.  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
19  
0.180 ± 0.015  
(4.57 ± 0.38)  
Note:  
Units are in inches (mm)  
Tolerances:  
0.xx ± 0.01  
0.xxx ± 0.005  
0.230 ± 0.015  
2.23 ± 0.03  
(5.84 ± 0.38  
)
(56.6 ± 0.8  
3.72 ± 0.03  
(94.5 ± 0.8  
)
3x 6-32 UNC-2B  
max. insertion depth  
0.14 (3.6) both sides  
1.00 ± 0.03  
25.4 ± 0.8)  
)
(
4X 6-32 UNC-2B  
max. insertion  
depth 0.22 (5.6)  
4.000  
101.60  
±
0.010  
0.25)  
1.750  
(44.45  
±
±
0
0
.
010  
25)  
(
±
.
5.75  
146.1  
±
0.03  
0.8  
(
±
)
2.362  
±
±
0.010  
0.25)  
(
59.99  
2.375  
+0.030, –0.005  
(60.33  
+0.76, –0.13)  
3.750  
(95.25  
±
0.010  
25)  
0.630 +0.030, –0.005  
(16.00 +0.76, –0.13)  
3x.250  
(6.35  
(both sides)  
±
±
0
.
015  
±
0.  
0.38)  
4.00  
(101.6  
±
0.  
02  
.5  
±
0
)
0.125 +0.030, –0.005  
(3.18 +0.76, –0.13)  
Figure 3. Mounting dimensions for the ST33240A and ST32531A—top,  
side and end view  
20  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
21  
3.0 ATA interface  
This drive uses the industry-standard ATA task file interface. It supports  
both 8-bit and 16-bit data transfers. It supports ATA programmed in-  
put/output (PIO) modes 0, 1, 2, 3 and 4; ATA single-word DMA modes  
0, 1 and 2; and ATA multiword DMA modes 0, 1 and 2. The drive also  
supports the use of the IORDY signal to provide reliable high-speed data  
transfers.  
You can use a daisy-chain cable to connect two drives to a single AT  
host bus. For detailed information regarding the ATA interface, refer to  
the Draft ATA-3 document X3T10 2008, Revision 6, subsequently re-  
ferred to as the Draft Proposed ATA-3 Standard.  
3.1 ATA interface signals and connector pins  
Figure 4 on page 22 summarizes the signals on the ATA interface  
connector that the drive supports. For a detailed description of these  
signals, refer to the Draft Proposed ATA-3 Standard.  
3.1.1 AT bus signal levels  
Signals that the drive receives must have the following characteristics at  
the drive connector:  
Logic low  
Logic high  
0.0V to 0.7V  
2.0V to 5.25V  
22  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Drive pin #  
Host pin # and signal description  
Signal name  
1
2
Reset  
1
2
3
4
5
6
7
8
9
Host Reset  
Ground  
Ground  
3
DD7  
Host Data Bus Bit 7  
Host Data Bus Bit 8  
Host Data Bus Bit 6  
Host Data Bus Bit 9  
Host Data Bus Bit 5  
Host Data Bus Bit 10  
Host Data Bus Bit 4  
4
DD8  
5
DD6  
6
DD9  
7
DD5  
8
DD10  
DD4  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
DD11  
DD3  
10 Host Data Bus Bit 11  
11 Host Data Bus Bit 3  
12 Host Data Bus Bit 12  
13 Host Data Bus Bit 2  
14 Host Data Bus Bit 13  
15 Host Data Bus Bit 1  
16 Host Data Bus Bit 14  
17 Host Data Bus Bit 0  
18 Host Data Bus Bit 15  
19 Ground  
DD12  
DD2  
DD13  
DD1  
DD14  
DD0  
DD15  
Ground  
(removed)  
DMARQ  
Ground  
(No Pin)  
20  
21 DMA Request  
22 Ground  
DIOW  
Ground  
23 Host I/O Write  
24 Ground  
DIOR  
25 Host I/O Read  
Ground  
IORDY  
CSEL  
26 Ground  
27 I/O Channel Ready  
28 Cable Select pin  
29 DMA Acknowledge  
30 Ground  
DMACK  
Ground  
INTRQ  
31 Host Interrupt Request  
32 Host 16 Bit I/O  
33 Host Address Bus Bit 1  
34 Passed Diagnostics  
35 Host Address Bus Bit 0  
36 Host Address Bus Bit 2  
37 Host Chip Select 0  
38 Host Chip Select 1  
39 Drive Active / Slave Present  
40 Ground  
IOCS16  
DA1  
PDIAG  
DA0  
DA2  
CS1FX  
CS3FX  
DASP  
Ground  
Pins 28, 34 and 39 are used for master-slave communication (details shown below).  
Drive 1 (slave)  
Drive 0 (master)  
Host  
28  
34  
39  
28  
34  
39  
CSEL  
28  
34  
39  
PDIAG  
DASP–  
Figure 4. I/O pins and supported ATA signals  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
23  
3.2 ATA Interface commands  
3.2.1 Supported ATA commands  
The following table lists ATA-standard commands that the drive supports.  
For a detailed description of the ATA commands, refer to the Draft  
Proposed ATA-3 Standard. See section 3.2.4 on page 29 for details and  
subcommands used in the S.M.A.R.T. implementation.  
Command  
code  
Supported by  
this drive  
Command name  
ATA-standard commands  
Execute Drive Diagnostics  
90H  
B0H  
50H  
ECH  
91H  
00H  
E4H  
C8H  
C9H  
22H  
23H  
C4H  
20H  
21H  
40H  
41H  
10H  
70H  
EFH  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
Execute S.M.A.R.T. Command  
Format Track  
Identify Drive  
Initialize Drive Parameters  
NOP  
Read Buffer  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Read DMA (w/retry)  
Read DMA (no retry)  
Read Long (w/retry)  
Read Long (no retry)  
Read Multiple  
Read Sectors (w/retry)  
Read Sectors (no retry)  
Read Verify Sectors (w/retry)  
Read Verify Sectors (no retry)  
Recalibrate  
Seek  
Set Features  
continued  
24  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
continued from previous page  
Command  
code  
Supported by  
this drive  
Command name  
Set Multiple Mode  
Write Buffer  
C6H  
E8H  
CAH  
CBH  
32H  
33H  
C5H  
E9H  
30H  
31H  
3CH  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
Write DMA (w/retry)  
Write DMA (no retry)  
Write Long (w/retry)  
Write Long (no retry)  
Write Multiple  
Write Same  
Write Sectors (w/retry)  
Write Sectors (no retry)  
Write Verify  
Yes  
Yes  
No  
ATA-standard power-management commands  
Check Power Mode  
Idle  
98H or E5H  
97H or E3H  
95H or E1H  
99H or E6H  
96H or E2H  
94H or E0H  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Idle Immediate  
Sleep  
Standby  
Standby Immediate  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
25  
The following commands contain drive-specific features that may not be  
described in the Draft Proposed ATA-3 Standard.  
3.2.2 Identify Drive command  
The Identify Drive command (command code ECH) transfers information  
about the drive to the host following power up. The data is organized as  
a single 512-byte block of data, whose contents are shown in the table  
below. All reserved bits or words should be set to zero. Parameters listed  
with an “x” are drive-specific or vary with the state of the drive. See  
Section 1 of this manual for default parameter settings for the Medalist  
3240 and the Medalist 2531.  
Note. If the alternate capacity jumper is installed on the ST33240A or  
ST32531A, the drive capacity is reduced in Word 1 to 4,092 cylinders.  
Word  
Description  
Configuration information:  
Contents  
Bit 10: disc transfer > 10 Mbits/sec  
Bit 6: fixed drive  
0
0C5AH  
Bit 4: head switch time > 15 µsec  
Bit 3: not MFM encoded  
Bit 1: hard-sectored disc  
186DH  
(ST33240A)  
135CH  
Number of fixed cylinders  
(default logical emulation): 6,253 (ST33240A)  
4,956 (ST32531A)  
1
(ST32531A)  
2
3
ATA-reserved  
0000H  
0010H  
Number of heads (default logical emulation): 16  
Number of unformatted bytes per track  
(not used)  
4
5
6
0000H  
0000H  
Number of unformatted bytes per sector  
(not used)  
Number of sectors per track  
(default logical emulation): 63  
003FH  
0000H  
ASCII  
7–9 ATA-reserved  
Serial number:  
10–19  
(20 ASCII characters, 0000H = none)  
continued  
26  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
continued from previous page  
Word  
Description  
Contents  
Controller type = dual-port multisector buffer  
with caching (not used)  
20  
0000H  
21  
22  
Buffer size (not used)  
0000H  
0004H  
x.xx  
Number of ECC bytes available (4)  
23–26 Firmware revision (8 ASCII character string):  
ST33240A  
or  
ST32531A  
Drive model number: (40 ASCII characters,  
27–46  
padded with blanks to end of string)  
(Bits 0–7) Maximum sectors per interrupt on  
read/write multiple (16)  
47  
8010H  
0000H  
0F01H  
48  
49  
Double word I/O (not supported)  
DMA data transfer, IORDY (supported), LBA  
mode, ATA-2 standby times supported  
50  
51  
52  
ATA-reserved  
0000H  
0100H  
0200H  
PIO data-transfer cycle timing mode  
DMA transfer cycle timing mode  
Validity of words 54–58 and words 64–70  
(words may be valid)  
53  
54  
55  
0003H  
xxxxH  
xxxxH  
Number of cylinders (current emulation mode)  
Number of heads  
(current emulation mode)  
Number of sectors per track  
(current emulation mode)  
56  
xxxxH  
xxxxH  
01xxH  
2D30H  
57–58 Number of sectors (current emulation mode)  
Number of sectors transferred during a Read  
Multiple or Write Multiple command  
59  
LBA sectors available (w/word 61):  
6,303,024 (ST33240A)  
4,995,648 (ST32531A)  
(ST33240A)  
3D4CH  
(ST32531A)  
60  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
27  
Word  
Description  
LBA sectors available (continued)  
ATA-obsolete  
Contents  
0060H  
(ST33240A)  
007CH  
(ST32531A)  
61  
62  
63  
0000H  
0x07H  
Multiword DMA active and modes supported  
(see note following this table)  
Advanced PIO modes supported (modes 3 and  
4 supported)  
64  
65  
66  
67  
0003H  
0078H  
0078H  
017FH  
Minimum multiword DMA transfer cycle time per  
word (120 nsec)  
Recommended multiword DMA transfer cycle  
time per word (120 nsec)  
Minimum PIO cycle time without IORDY flow  
control (383 nsec)  
Minimum PIO cycle time with IORDY flow  
68  
control  
0078H  
(120 nsec)  
69–127 ATA-reserved  
128–159 Seagate-reserved  
160–255 ATA-reserved  
0000H  
xxxxH  
0000H  
Note. The following DMA mode settings are used in word 63 of the  
Identify Drive command:  
Word  
63  
Bit Description (if bit is set to 1)  
0
Multiword DMA mode 0 available  
Multiword DMA mode 1 available  
Multiword DMA mode 2 available  
Multiword DMA mode 0 currently active  
Multiword DMA mode 1 currently active  
Multiword DMA mode 2 currently active  
63  
1
63  
2
63  
8
63  
9
63  
10  
28  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
3.2.3 Set Features command  
This command controls the implementation of various features that the  
drive supports. When the drive receives this command, it sets BSY,  
checks the contents of the Features register, clears BSY and generates  
an interrupt. If the value in the register does not represent a feature that  
the drive supports, the command is aborted. Power-on default has the  
read look-ahead and write caching features enabled and 4 bytes of ECC.  
The acceptable values for the Features register are defined as follows:  
02H Enable write cache (default)  
03H Set transfer mode (based on value in Sector Count register)  
Sector Count register values:  
00H Set PIO mode to default (PIO mode 2)  
01H Set PIO mode to default and disable IORDY (PIO mode 2)  
08H PIO mode 0  
09H PIO mode 1  
0AH PIO mode 2 (default)  
0BH PIO mode 3  
0CH PIO mode 4  
10H Single-word DMA mode 0  
11H Single-word DMA mode 1  
12H Single-word DMA mode 2  
20H Multiword DMA mode 0  
21H Multiword DMA mode 1  
22H Multiword DMA mode 2  
44H Sixteen bytes of ECC apply on read long and write long  
commands  
55H Disable read look-ahead (read cache) feature  
66H Disable reverting to power-on defaults  
82H Disable write cache  
AAH Enable read look-ahead (read cache) feature (default)  
BBH 4 bytes of ECC apply on read long and write long commands  
(default)  
CCH Enable reverting to power-on defaults (default)  
At power-on, or after a hardware reset, the default values of the features  
are as indicated above. A software reset also changes the features to  
default values unless a 66H command has been received.  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
29  
3.2.4 S.M.A.R.T. commands  
Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) is an  
emerging technology that provides near-term failure prediction for disc  
drives. When S.M.A.R.T. is enabled, the Seagate drive monitors prede-  
termined drive attributes that are susceptible to degradation over time. If  
a failure is likely to occur, S.M.A.R.T. makes a status report available so  
that the host can prompt the user to back up data on the drive. Not all  
failures are predictable. S.M.A.R.T. predictability is limited to the attrib-  
utes the drive can monitor. For more information on S.M.A.R.T. com-  
mands and implementation, see the Draft Proposed ATA-3 Standard.  
This drive is shipped with S.M.A.R.T. features disabled. You must have  
a recent BIOS or software package that supports S.M.A.R.T. to enable  
the feature. The table below shows the S.M.A.R.T. command codes that  
these drives use.  
Before executing a S.M.A.R.T. command by writing B0H to the Command  
Register, the host must do the following:  
Write the value 4FH to Cylinder_Low register.  
Write the value C2H to the Cylinder_High register.  
Write the appropriate S.M.A.R.T. code to the Features register, as  
shown in the table below:  
Code in  
Features  
Register  
Supported by  
Medalist 3240 and  
Medalist 2531  
S.M.A.R.T. Command  
D0H  
D1H  
D2H  
D3H  
D4H  
D7H  
D8H  
D9H  
DAH  
Enable/Disable Attribute Autosave Yes  
Enable S.M.A.R.T. Operations Yes  
Enable/Disable Attribute Autosave Yes  
Save Attribute Values  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Execute Off-line Immediate  
Write Warranty Threshold  
Enable S.M.A.R.T. Operations  
Disable S.M.A.R.T. Operations  
Return S.M.A.R.T. Status  
30  
Medalist 3240 and Medalist 2531 Product Manual, Rev. A  
Code in  
Features  
Register  
Supported by  
Medalist 3240 and  
Medalist 2531  
S.M.A.R.T. Command  
DBH  
Enable/disable Automatic Off-line Yes  
Note. If an appropriate code is not written to the Features Register, the  
command will be aborted and 0x04 (abort) will be written to the  
Error register.  
Seagate Technology, Inc.  
920 Disc Drive, Scotts Valley, California 95066, USA  
Publication Number: 20401033-001, Rev. A, Printed in USA  

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