Flush Cache - Quantum FIREBALL PLUS AS 10.2 Product Manual

6.7.22 6.7.22 6.7.22 6.7.22

FLUSH CACHE

FLUSH CACHE FLUSH CACHE FLUSH CACHE
COMMAND CODE – E7h
DESCRIPTION – The FLUSH CACHE command allows the HOST to request the
device to flush (empty) the write cache. When the host issues this command, the
drives sets BSY and proceeds to write all the cached data to the media.
INPUTS
Register Register Register Register
Features
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/ Head
Command
OUTPUTS
Register Register Register Register
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/ Head
Status
7 7 7 7 6 6 6 6 5 5 5 5
na
na
na
na
na
obs na obs
E7h
7 7 7 7 6 6 6 6 5 5 5 5
na na na
na
na
na
na
obs na obs
BSY DRDY DF
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
ATA Bus Interface and ATA Commands
4 4 4 4 3 3 3 3 2 2 2 2
DEV na
4 4 4 4 3 3 3 3 2 2 2 2
na na ABRT
DEV Head number or LBA
na DRQ na
1 1 1 1 0 0 0 0
1 1 1 1 0 0 0 0
na na
na ERR
6-61