Toshiba Corporation Digital Media Network Company
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10.8.1 Nop (00h)
COMMAND CODE
0 0 0 0 0 0 0 0
REGISTER
REGISTER SETTING
NORMAL COMPLETION
DR
drive no.
no change
CY
no
change
HD
no
change
SN
no
change
SC
no
change
FT
no
change
LBA
no
change
The Nop command reports the status. The drive terminates the command with aborted error after receiving
this command.
10.8.2 Recalibrate
5
(1xh)
COMMAND CODE
0 0 0 1 X X X X
REGISTER
REGISTER SETTING
NORMAL COMPLETION
DR
drive no.
no change
CY
00H
HD
no
change
SN
no
change
SC
no
change
FT
no
change
LBA
00H
This command will set BSY bit and move the R/W heads on the disk to cylinder 0. At the completion of a
seek , it revises the status, resets BSY and generates an interrupt.
10.8.3 Flush Cache (E7h)
COMMAND CODE
1 1 1 0 0 1 1 1
RESISTER SETTING
DR
drive no.
This command reports the completion of a Write cache to the host. At the completion of a Write cache,
the drive revises the status, resets BSY and generates an interrupt.
10.8.4 Flush Cache EXT (EAh)
COMMAND CODE
1 1 1 0 1 0 1 0
RESISTER SETTING
DR
drive no.
This command reports the completion of a Write cache to the host. At the completion of a Write cache,
the drive revises the status, resets BSY and generates an interrupt.
5
ATA/ATAPI-4 defines this command as Vendor specific. The drive supports this command to maintain ATA-3, and the previous
models compatibility. User is recommended not to use this command.