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Barracuda ATA IV Family
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ST380021A, ST360021A,
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ST340016A, ST320011A
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Ultra ATA Interface Drives
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Product Manual
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Barracuda ATA IV Family
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ST380021A, ST360021A,
.............................................
ST340016A, ST320011A
.............................................
Ultra ATA Interface Drives
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Product Manual
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2001 Seagate Technology LLC All rights reserved
Publication Number: 100129212, Rev. B, October 2001
Seagate, Seagate Technology and the Seagate logo are registered
trademarks of Seagate Technology LLC. Barracuda, DiscWizard, Sea-
Shield, SeaShell and 3D Defense System are either registered trade-
marks or trademarks of Seagate Technology LLC. 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 LLC.
Barracuda ATA IV 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . 10
1.8 Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.10 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.12 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.12.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.12.2 Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . 16
1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
iv Barracuda ATA IV Family Product Manual, Rev. B
2.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . 19
2.1 Handling and static-discharge precautions . . . . . . . . . . . . . . 19
2.2 Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.2.1 Master/slave configuration . . . . . . . . . . . . . . . . . . . . . . 20
2.2.2 Cable-select option . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.2.3 Alternate capacity jumper . . . . . . . . . . . . . . . . . . . . . . . 21
2.2.4 Ultra ATA/100 cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.0 ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.1 ATA interface signals and connector pins . . . . . . . . . . . . . . 25
3.1.1 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . 27
3.1.2 Identify Device command . . . . . . . . . . . . . . . . . . . . . . . 28
3.1.3 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.1.4 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . . . . . . . . . 34
Barracuda ATA IV Family Product Manual, Rev. B v
Figures
Figure 1. Typical startup and operation current profile . . . . . . . . . . . . 9
Figure 2. Master/slave jumper settings . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 3. Ultra ATA cable connectors . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 4. Mounting dimensions--top, side and end view . . . . . . . . . 23
vi Barracuda ATA IV Family Product Manual, Rev. B
Barracuda ATA IV Family Product Manual, Rev. B 1
Introduction
This manual describes the functional, mechanical and interface specifi-
cations for the ST380021A, ST360021A, ST340016A and ST320011A.
These drives provide the following key features: