IBM IC25N020ATDA04 Hard Drive Specifications - Page 150

Idle Immediate E1h/95h

Page 150 highlights

13.11 Idle Immediate (E1h/95h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 0 0 0 0 1 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 90. Idle Immediate command (E1h/95h) The Idle Immediate command causes the device to enter Performance Idle mode. The device is spun up to operating speed. If the device is already spinning, the spin up sequence is not executed. During Idle mode the device is spinning and ready to respond to the host commands immediately. The Idle Immediate command will not affect the auto power down time-out parameter. Travelstar 48GH, 30GN & 15GN hard disk drive specifications 136

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13.11 Idle Immediate (E1h/95h)
see below
Status
1 1 1 0 0 0 0 1
Command
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
- - - - - - - -
Sector Count
see below
Error
- - - - - - - -
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input Registers
Command Block Output Registers
V
-
0
-
V
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 90. Idle Immediate command (E1h/95h)
The Idle Immediate command causes the device to enter Performance Idle mode.
The device is spun up to operating speed. If the device is already spinning, the spin up sequence is not
executed.
During Idle mode the device is spinning and ready to respond to the host commands immediately.
The Idle Immediate command will not affect the auto power down time-out parameter.
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
136