Flush Cache (E7H); Figure 74. Flush Cache Command (E7H) - IBM DJSA-210 - Travelstar 10 GB Hard Drive Specifications

13.4 Flush Cache (E7h)

Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7 6 5
CRC UNC 0
0 0 0

Figure 74. Flush Cache command (E7h)

This command causes the device to complete writing data from its cache.
The device returns a status of RDY = 1 and DSC = 1 (50h) after following sequence.
! Data in the write cache buffer is written to the disk media.
! There is a return of a successful write completion to the disk media.
7 6 5 4 3 2 1 0
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
1 – 1 D – – – –
1 1 1 0 0 1 1 1
4 3 2 1 0
IDN 0 ABT T0N AMN
0 0 V 0 0
Travelstar 32GH/30GT/20GN hard disk drive specifications
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
7 6 5 4
BSY RDY DF DSC
0 V 0 V
110
7 6 5 4 3 2 1 0
– – – – – – – –
see below
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
– – – – – – – –
see below
3 2 1 0
DRQ COR IDX ERR
– 0 – V