Check Power Mode (E5H/98H); Figure 41 Check Power Mode Command (E5H/98H) - Hitachi HTS541616J9AT00 - Travelstar 160 GB Hard Drive Specifications

2.5 inch ata/ide hard disk drive
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14.1

Check Power Mode (E5h/98h)

Command Block Output Registers
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
Error Register
7
6
5
4
CRC UNC
0
IDN
0
0
0
0

Figure 41 Check Power Mode Command (E5h/98h)

The Check Power Mode command will report whether the device is spun up and the media is available for
immediate access.
Input Parameters From The Device
Sector Count
The power mode code. The command returns FFh in the Sector Count Register if the spindle
motor is at speed and the device is not in Standby or Sleep mode. Otherwise, the Sector Count
Register will be set to 0.
Travelstar 5K160 (PATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - D - - - -
1 1 1 0 0 1 0 1
3
2
1
0
0
ABT T0N
AM
N
0
V
0
0
Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
Status Register
7
6
5
BSY RDY
DF
0
0
0
94 / 188
7 6 5 4 3 2 1 0
- - - - - - - -
...See Below...
V V V V V V V V
- - - - - - - -
- - - - - - - -
- - - - - -
- - - - - - - -
...See Below...
4
3
2
1
DSC DRQ COR IDX ERR
-
-
0
-
-
0
V

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