5K250 (SATA) OEM Specification
Page 83 of 171
14.5 Flush Cache Ext (EAh)
Command Block Output Registers Command Block Input Registers
Register 7 6 5 43210 Register 76 5 4 3 2 10
Data Low - - - ----- Data Low -- - - - - --
Data High - - - ----- Data High -- - - - - --
Current - - - ----- Error ...See Below... Feature
Previous - - - -----
Current - - - ----- HOB=0-- - - - - --Sector Count
Previous - - - -----
Sector Count
HOB=1 - - - - - - - -
Current - - - ----- HOB=0-- - - - - --LBA Low
Previous - - - -----
LBA Low
HOB=1 - - - - - - - -
Current - - - ----- HOB=0-- - - - - --LBA Mid
Previous - - - -----
LBA Mid
HOB=1 - - - - - - - -
Current - - - ----- HOB=0-- - - - - --LBA High
Previous - - - -----
LBA High
HOB=1 - - - - - - - -
Device - - - ----- Device -- - - - - --
Command 1 1 1 01010 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 V - 0 0 V
Table 50 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.
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