Seagate Barracuda ATA Series Manual de usuario
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Barracuda ATA Family
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ST328040A, ST327240A, ST320430A
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ST313620A, ST310220A, ST36810A
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Ultra ATA Interface Drives
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Product Manual
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Barracuda ATA Family
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ST328040A, ST327240A, ST320430A
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ST313620A, ST310220A, ST36810A
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Ultra ATA Interface Drives
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Product Manual
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1999 Seagate Technology, Inc. All rights reserved
Publication Number: 20400144-001, Rev. B, December 1999
Seagate, Seagate Technology, the Seagate logo and Barracuda 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.
Barracuda ATA Family Product Manual, Rev. B 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
1.2 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.7.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.7.4 Power-management modes . . . . . . . . . . . . . . . . . . . . . 10
1.8 Environmental tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.8.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.10 Electromagnetic susceptibility . . . . . . . . . . . . . . . . . . . . . . . 14
1.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.12 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.12.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.12.2 Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . 14
iv Barracuda ATA Family Product Manual, Rev. B
1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . 17
2.1 Handling and static-discharge precautions . . . . . . . . . . . . . . 17
2.2 Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.2.1 Master/slave configuration . . . . . . . . . . . . . . . . . . . . . . 18
2.2.2 Cable-select option . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2.3 Alternate capacity jumper . . . . . . . . . . . . . . . . . . . . . . . 19
2.2.4 Ultra ATA/66 cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.0 ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.1 ATA interface signals and connector pins . . . . . . . . . . . . . . 21
3.1.1 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . 23
3.1.2 Identify Drive command . . . . . . . . . . . . . . . . . . . . . . . . 24
3.1.3 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.1.4 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . . . . . . . . . 30
Barracuda ATA Family Product Manual, Rev. B v
Figures
Figure 1. Typical startup and operation current profile . . . . . . . . . . . . 9
Figure 2. Master/slave jumper settings . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 3. Mounting dimensions—top, side and end view . . . . . . . . . 20
Figure 4. I/O pins and supported ATA signals. . . . . . . . . . . . . . . . . . 22
vi Barracuda ATA Family Product Manual, Rev. B
Barracuda ATA Family Product Manual, Rev. B 1
Introduction
This manual describes the functional, mechanical and interface specifi-
cations for the ST328040A, ST327240A, ST320430A, ST313620A,
ST310220A, and the ST36810A. These drives provide the following key
features:
•Low power consumption
•Quiet operation
•High instantaneous (burst) data-transfer rates (up to 66.6 Mbytes per
second) using Ultra DMA mode 4
•7,200-RPM and 512-Kbyte buffer combine for superior desktop per-
formance
•300 Gs nonoperating shock
•GMR recording heads and EPRML technology, which provide the
drives with increased areal density
•State-of-the-art cache and on-the-fly error-correction algorithms
•Full-track multiple-sector transfer capability without local processor
intervention
•Support for S.M.A.R.T. drive monitoring and reporting
•Support for Read Multiple and Write Multiple commands
•Support for autodetection of master/slave drives that use cable select
(CSEL)
2 Barracuda ATA Family Product Manual, Rev. B
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 ST328040A
ST327270A ST320430A ST313620A ST310220A ST36810A
Guaranteed Mbytes
(×106bytes) 28,520
27,333 20,520 13,666 10,242 6,833
Guaranteed sectors 55,704,096
53,385,552 40,079,088 26,692,776 20,005,650 13,346,235
Bytes per sector 512
Default sectors per
track 63
Default read/write
heads 16 16 16 16 15
Default cylinders 16,383 16,383 16,383 16,383 14,123
Physical read/write
heads 86432
Discs 43221
Recording density
KBPI (bits/inch max) 305
Track density
TPI (tracks/inch) 16,420
Areal density
(Mbits/inch2 max) 5,100
Spindle speed
(RPM) 7,200
Internal data-trans-
fer rate (Mbits/sec
max)
323
I/O data-transfer
rate (Mbytes/sec-
max)
66.6
ATA data-transfer-
modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–4
Cache buffer
(Kbytes) 512
Height (mm max) 26.1
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