Инструкция LFF (3.5") Серверный HDD WD Ultrastar HC580

12.49.6.3 Set Power Condition Timer subcommand (2h)

Table 209 Set Power Condition Timer subcommand

Command Block Normal Outputs
Command Block Command Input

Register
7
6
5
4
3
2
1
0
Register
7
6
5
4
3
2
1
0

Data
-
-
-
-
-
-
-
-
Data
-
-
-
-
-
-
-
-

Feature
0
1
0
0
1
0
1
0
Error
…See Below…

Sector Count
V
V
V
V
V
V
V
V
Sector Count
-
-
-
-
-
-
-
-

Sector Number
V
-
V
V
0
0
1
0
Sector Number
-
-
-
-
-
-
-
-

Cylinder Low
V
V
V
V
V
V
V
V
Cylinder Low
-
-
-
-
-
-
-
-

Cylinder High
V
V
V
V
V
V
V
V
Cylinder High
-
-
-
-
-
-
-
-

Device/Head
1
-
1
D
-
-
-
-
Device/Head
-
-
-
-
-
-
-
-

Command
1
1
1
0
1
1
1
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 AMN
BSY RDY DF
DSC DRQ COR IDX ERR

0
0
0
0
0
V
0
0
0
V
0
-
-
0
-
V

On successful completion of this EPC subcommand, the device updates the Power Conditions log for the selected
and supported Power Condition as follows:

1. copy the Timer field to the Current Timer Settings field;
2. if Enable is set to one and the Timer field is non-zero, then enable the Current Timer;
3. if Enable is set to one and the Timer field is zero, then disable the Current Timer;
4. if Enable is cleared to zero, then disable the Current Timer; and
5. if Save is set to one and the Power Condition settings are savable, then:

A) copy the Current Timer Settings field to the Saved Timer Settings field; and
B) copy the Current Timer Enabled field to the Saved Timer Enabled field.

285
Hard Disk Drive Specification