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1 nop (00h), 2 recalibrate, 1xh) – Toshiba MK6017MAP User Manual

Page 60: 3 flush cache (e7h)

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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.

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.