Deskstar T7K500 Hard Disk Drive Specification
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12.7 Flush Cache Ext (EAh)
Table 78: Flush Cache Ext Command (EAh)
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.
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 Low - - - - - - - - Data Low - - - - - - - -
Data High - - - - - - - - Data High - - - - - - - -
Feature
Current - - - - - - - -
Error see below
Previous - - - - - - - -
Sector
Count
Current - - - - - - - -
Sector
Count
HOB=0 - - - - - - - -
Previous - - - - - - - - HOB=1 - - - - - - - -
Sector
Number
Current - - - - - - - -
Sector
Number
HOB=0 - - - - - - - -
Previous - - - - - - - - HOB=1 - - - - - - - -
Cylinder
Low
Current - - - - - - - -
Cylinder
Low
HOB=0 - - - - - - - -
Previous - - - - - - - - HOB=1 - - - - - - - -
Cylinder
High
Current - - - - - - - - Cylinder
High
HOB=0 - - - - - - - -
Previous - - - - - - - - HOB=1 - - - - - - - -
Device/Head - - - D - - - - Device/Head - - - - - - - -
Command 1 1 1 0 1 0 1 0 Status See below ...
Error Register Status Register
7654321 0 76543 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
00000V0 0 0V0V- 0- V