Seagate ST34321A User manual
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Medalist 8641, Medalist 6531
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Medalist 4321, Medalist 3221
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Medalist 2110
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Ultra ATA Interface Drives
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Product Manual
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Medalist 8641, Medalist 6531
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Medalist 4321, Medalist 3221
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Medalist 2110
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Ultra ATA Interface Drives
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Product Manual
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1998, 1999 Seagate Technology, Inc. All rights reserved
Publication Number: 20400075-001, Rev. B, January 1999
Seagate, Seagate Technology, the Seagate logo, Medalist and the
Medalist logo are 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.
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 . . . . . . . . 6
1.2 Physical organization . . . . . . . . . . . . . . . . . . . . 6
1.3 Recording and interface technology . . . . . . . . . . . . . 6
1.4 Physical characteristics . . . . . . . . . . . . . . . . . . . 7
1.5 Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.6 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . 8
1.7 Power Specifications . . . . . . . . . . . . . . . . . . . . 8
1.7.1 Power consumption . . . . . . . . . . . . . . . . . . 8
1.7.2 Conducted noise . . . . . . . . . . . . . . . . . . . . 10
1.7.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . 10
1.7.4 Power-management modes . . . . . . . . . . . . . . 11
1.8 Environmental tolerances . . . . . . . . . . . . . . . . . . 12
1.8.1 Ambient temperature . . . . . . . . . . . . . . . . . . 12
1.8.2 Temperature gradient . . . . . . . . . . . . . . . . . 12
1.8.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8.6 Vibration . . . . . . . . . . . . . . . . . . . . . . . . 13
1.9 Drive acoustics . . . . . . . . . . . . . . . . . . . . . . . 14
1.10 Electromagnetic susceptibility . . . . . . . . . . . . . . . 14
1.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.12 Agency certification . . . . . . . . . . . . . . . . . . . . 15
1.12.1 Safety certification . . . . . . . . . . . . . . . . . . 15
Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B iii
1.12.2 Electromagnetic Compatibility . . . . . . . . . . . . 15
1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . 15
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
3.2 ATA Interface commands . . . . . . . . . . . . . . . . . . 23
3.2.1 Supported ATA commands . . . . . . . . . . . . . . . 23
3.2.2 Identify Drive command . . . . . . . . . . . . . . . . 25
3.2.3 Set Features command . . . . . . . . . . . . . . . . 29
3.2.4 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . 30
iv Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B
Figures
Figure 1. Typical startup and operation current profile . . . . . . . 10
Figure 2. Alternate capacity jumper and master/slave jumpers . . 18
Figure 3. Drive mounting dimensions—top, side and end view . . . 19
Figure 4. I/O pins and supported ATA signals . . . . . . . . . . . 22
Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B v
vi Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B
Introduction
This manual describes the functional, mechanical and interface specifi-
cations for the Medalist8641 (ST38641A), Medalist 6531 (ST36531A),
Medalist 4321 (ST34321A), Medalist 3221 (ST33221A) and Medalist
2110 (ST32110A). These drives are referred to throughout this manual
by their model numbers. These drives 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 33.3 Mbytes per
second) using Ultra DMA mode 2
•Full-track multiple-sector transfer capability without local processor
intervention
•128-Kbyte cache
•State-of-the-art caching and on-the-fly error-correction algorithms
•Support for Read Multiple and Write Multiple commands
•Support for autodetection of master/slave drives that use cable select
(CSEL)
•MR recording heads and PRML technology, which provides thedrives
with increased areal density
Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B 1
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 ST38641A ST36531A ST34321A ST33221A ST32110A
Guaranteed Mbytes
(×106bytes) 8,606 6,505 4,303 3,227 2,111
Guaranteed sectors 16,809,660 12,706,470 8,404,830 6,303,024 4,124,736
Bytes per sector 512
Default sectors per
track 63
Default read/write
heads 16 15 15 16 16
Default cylinders 16,383 13,446 8,894 6,253 4,092
Physical read/write
heads 8 6 4 4 2
Discs 4 3 2 2 1
Recording density
(bits/inch max) 153,870
Track density
(tracks/inch) 9,190
Areal density
(Mbits/inch2 max) 1,581
Spindle speed (RPM) 5,400
Internal data-transfer
rate (Mbits/sec max) 140
I/O data-transfer rate
(Mbytes/sec max) 33.3
ATA data-transfer
modes supported PIO modes 0, 1, 2, 3, 4;
Multiword DMA modes 0, 1, 2;
Ultra DMA modes 0, 1, 2
Cache buffer
(Kbytes) 128
Height (mm max) 26.10
Width (mm max) 101.85
Length (mm max) 147.0
2 Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B
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