Toshiba 3006GAL, 4006GAH, MK6006GAH 10.8.1 Nop (00h), 10.8.2 Recalibrate5 (1xh), 10.8.3 Flush Cache (E7h), 10.8.4 Flush Cache EXT (EAh)

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 Recalibrate5 (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.

5ATA/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.

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