Contents
Ultra ATA Interface Drives
U8 Family
ST317221A, ST313021A
ST38410A, ST34313A
Ultra ATA Interface Drives
U8 Family
ST317221A, ST313021A
ST38410A, ST34313A
Page
U8 Family Product Manual, Rev. B
Contents
ATA interface
Configuring and mounting the drive
Figures
U8 Family Product Manual, Rev. B
Introduction
ST313021A
Specification summary table
Drive Specification
ST317221A
ST34313A
Drive Specification
ST313021A
ST38410A
ST38410A
Drive Specification
ST317221A
ST313021A
1.2 Physical organization
1.0 Drive specifications
1.1.1 Default logical geometry
1.1 Formatted capacity
1.5 Seek time
1.4 Physical characteristics
Drive Specification
1.3 Recording and interface technology
1.6 Start/stop times
1.7 Power specifications
1.7.1 Power consumption
Spinup power
Seek Mode
Read/Write power and current
Operating power and current
Idle mode power
Typical Amps RMS
Power Mode
1.7.1.1 Typical current profile
Typical Watts
1.7.3 Voltage tolerance
1.7.4 Power-management modes
Power Modes
1.7.2 Conducted noise
Sleep mode
Idle and Standby timers
1.8 Environmental tolerances 1.8.1 Ambient temperature
1.8.2 Temperature gradient
1.8.3 Humidity
1.8.6.2 Nonoperating vibration
1.8.6.1 Operating vibration
1.9 Drive acoustics
1.12.2 Electromagnetic compatibility
1.12 Agency certification 1.12.1 Safety certification
1.10 Electromagnetic susceptibility
1.11 Reliability
Australian CE-Tick N176
1.12.3 FCC verification
U8 Family Product Manual, Rev. B
2.1 Handling and static-discharge precautions
2.0 Configuring and mounting the drive
Cable select
2.2 Jumper settings 2.2.1 Master/slave configuration
7 5 3 8 6 4
Options jumper block J8 Master or single drive Drive is slave
2.2.3 Ultra ATA/66 cable
2.2.2 Cable-select option
2.3 Drive mounting
Note Dimensions are shown in inches mm
Figure 3. Mounting dimensions-top, side and end view
3.1 ATA interface signals and connector pins
3.0 ATA interface
Drive pin #
Figure 4. I/O pins and supported ATA signals
Signal name
Host pin # and signal description
ATA-standard commands
3.1.1 Supported ATA commands
Command name
Command code in hex
Command code in hex
3.1.2 Identify Drive command
Value
Word
Description
x.xx
xxxxH
xxxxH
xxxxH
xxxxH
xxxxH
Word
Description
Value
xxxxH
Word
Description
xxxxH
Set transfer mode based on value in Sector Count register
3.1.3 Set Features command
Register
3.1.4 S.M.A.R.T. commands
Code in Features
S.M.A.R.T. Command
Code in Features
S.M.A.R.T. Command
Register
Page
Page
920 Disc Drive, Scotts Valley, California 95066, USA
Seagate Technology, Inc
Publication Number SG35226-001, Rev. B, Printed in USA