Table 109 Flush Cache Ext Command (Eah) - Western Digital Ultrastar DC HC310 Specifications

11.8 Flush Cache Ext (EAh)
Com m and Block Output Registers
Register
Data Low
Data High
Current
Feature
Previous
Current
Sector Count
Previous
Current
Sector Number
Previous
Current
Cylinder Low
Previous
Current
Cylinder High
Previous
Device/Head
Command
Error Register
7 6 5
CRC UNC 0 IDN
0 0 0

Table 109 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.
7 6 5 4 3 2 1 0
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - D - - -
1 1 1 0 1 0 1 0
4 3 2 1
0 ABT T0N
0 0 V 0
Western Digital Hard Disk Drive OEM Specification
Com m and Block Input Registers
Register
- Data Low
- Data High
-
Error
-
- HOB=0
Sector Count
- HOB=1
- HOB=0
Sector Number
- HOB=1
- HOB=0
Cylinder Low
- HOB=1
- HOB=0
Cylinder High
- HOB=1
- Device/Head
Status
0 7 6
AMN BSY RDY
0 0 V
136
7 6 5 4 3 2 1 0
- - - - - - -
- - - - - - -
...See Below ...
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
...See Below ...
Status Register
5 4 3 2
DF DSC DRQ COR
0 V - 0
-
-
-
-
-
-
-
-
-
-
-
1 0
IDX ERR
- V