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5.7 Flush Cache Ext (EAh)
Table 26: Flush Cache Ext Command (EAh)
Command Block Output Registers
Register
Data Low
Data High
Feature
Current
Previous
Sector
Current
Count
Previous
Sector
Current
Number
Previous
Cylinder
Current
Low
Previous
Cylinder
Current
High
Previous
Device/Head
Command
Error Register
7
6
5
CRC UNC
0
0
0
0
This command causes the device to complete writing data from its cache.
The device returns good status after data in the write cache is written to disk media.
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - D - - - -
1 1 1 0 1 0 1 0
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Deskstar 7K500 Hard Disk Drive Serial ATA Addendum
Command Block Input Registers
Register
Data Low
Data High
Error
Sector
HOB=0
Count
HOB=1
Sector
HOB=0
Number
HOB=1
Cylinder
HOB=0
Low
HOB=1
Cylinder
HOB=0
High
HOB=1
Device/Head
Status
0
7
6
5
BSY RDY DF DSC DRQ
0
0
V
0
57
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
See below ...
Status Register
4
3
2
1
COR IDX
V
-
0
-
0
ERR
V
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