Hitachi HTS541680J9AT00 Specifications - Page 94

Check Power Mode E5h/98h

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14.1 Travelstar 5K160 (PATA) Hard Disk Drive Specification Check Power Mode (E5h/98h) Command Block Output Registers Register 76543210 Data -------- Feature -------- Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device - - -D- - - - Command 11100101 Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count VVVVVVVV LBA Low -------- LBA Mid -------- LBA High ------ - Device -------- Status ...See Below... Error Register 7 6 5 4 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 000 0 0V0 0 Figure 41 Check Power Mode Command (E5h/98h) Status Register 7 6543 2 10 BSY RDY DF DSC DRQ COR IDX ERR 000 - - 0 -V 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. 94/188

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Travelstar 5K160 (PATA) Hard Disk Drive Specification
94
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188
14.1
Check Power Mode (E5h/98h)
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4
3
2
1
0
Register
7 6 5 4 3 2
1
0
Data
-
-
-
-
-
-
-
-
Data
-
-
-
-
-
-
-
-
Feature
-
-
-
-
-
-
-
-
Error
...See Below...
Sector Count
-
-
-
-
-
-
-
-
Sector Count
V V V V V V V V
LBA Low
-
-
-
-
-
-
-
-
LBA Low
-
-
-
-
-
-
-
-
LBA Mid
-
-
-
-
-
-
-
-
LBA Mid
-
-
-
-
-
-
-
-
LBA High
-
-
-
-
-
-
-
-
LBA High
-
-
-
-
-
-
-
Device
-
-
- D
-
-
-
-
Device
-
-
-
-
-
-
-
-
Command
1 1 1 0
0
1
0
1
Status
...See Below...
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC UNC
0
IDN
0
ABT
T0N
AM
N
BSY
RDY
DF
DSC
DRQ COR
IDX
ERR
0
0
0
0
0
V
0
0
0
0
0
-
-
0
-
V
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.