Flush Cache (E7H); Figure 82. Flush Cache Command (E7H) - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

13.5 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 82. 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
IDN 0 ABT T0N AMN
0 0 V 0
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
0 7 6 5
BSY RDY DF
0 0 V 0
120
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
4 3 2 1
DSC DRQ COR IDX ERR
V - 0 - V
0