20 | U8 Family Product Manual, Rev. B |
Note: Dimensions are shown in inches (mm).
1.00 ± 0.028 | | |
(25.4 ± 0.7) | | |
| | 0.230 ± 0.015 |
3X 6-32 UNC-2B | (5.84 ± 0.38) |
|
max. insertion depth | |
0.14 (3.6) both sides |
4.000 ± 0.010 | |
(101.60 ± 0.25) | |
| 5.75 ± 0.03 |
| (146.1 ± 0.8) |
2.362 ± 0.010 | | |
(59.99 ± 0.25) | | |
0.630 +0.030, –0.005 |
(16.00 +0.76, –0.13) |
3X.250 ± .015 | 0.125 +0.030, –0.005 |
| (3.18 +0.76, –0.13) |
(6.35 ± 0.38) | |
| |
(both sides) | | |
Recommended | | |
case temperature | | |
measurement location | | |
2.23 ± 0.03 | 0.180 ± 0.015 |
(56.6 ± 0.8) |
3.72 ± 0.03 | (4.57 ± 0.38) |
(94.5 ± 0.8) | |
4X 6-32 UNC-2B max. insertion depth 0.22 (5.6)
1.750 ± 0.010
(44.45 ± 0.25)
2.375 +0.030, –0.005
(60.33 +0.76, –0.13)
3.750 ± 0.010
(95.25 ± 0.25) ![Manual background](/images/new-backgrounds/221947/22194753xi3.webp)
4.00± 0.02 (101.6 ± 0.5)
Recommended case temperature measurement location
Figure 3. Mounting dimensions—top, side and end view
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
0 to 60C op., -40 to 70C nonop
ST317221A
ST38410A
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
1.8.6.1 Operating vibration
1.8.6.2 Nonoperating 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
2.2.2 Cable-select option
2.2.3 Ultra ATA/66 cable
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
xx07H
xxxxH
xx1FH
xxA5H
Description if bit is set to Bit Word
Bit Word
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
Page
Page
Seagate Technology, Inc
920 Disc Drive, Scotts Valley, California 95066, USA
Publication Number SG35226-001, Rev. B, Printed in USA