13 seek (7xh), 14 toshiba specific – Toshiba MK4006GAH User Manual

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© 2003, Copyright TOSHIBA Corporation All Rights Reserved

Sector interleave is always set to one regardless of sector sequence in the format table. Data subsequent
to format table are handled as “Don't care”.

FORMAT TABLE ( FIRST 86 BYTES )

(Ex. 43 logical sector mode)

0001, 0002, 0003, 0004, 0005, 0006, 0007, 0008, 0009, 0013, 0015, 0016, 0017, 0018,.0019,
001A,.......0029, 002A, 002B

DON’T

CARE

(

426

BYTES

ATTACHED

)

0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, ........... 0000, 0000, 0000.

11.8.13 Seek (7xh)

COMMAND CODE

0 1 1 1 X X X X

REGISTER

REGISTER SETTING

NORMAL COMPLETION

DR

drive no.

no change

CY

cylinder to seek

no change

HD

head to seek

no change

SN

no

change

SC

no

change

FT

no

change

LBA

address to seek

no change

This command moves the R/W heads to the cylinder specified in the task files. The drive sets BSY and
starts seek operation. After the completion of a seek operation, the drive asserts DSC

8

, negates BSY ,

and return the interrupt.
If CY, HD and SN registers show invalid address, “ID Not Found” error is reported and no seek operation
shall be executed. All commands related to data access possess Implied Seek function and don't need this
command.

11.8.14 Toshiba Specific

COMMAND CODE

1 0 0 0 X X X X

1 0 0 1 1 0 1 0

1 1 1 1 0 0 0 0

1 1 1 1 0 1 1 1

1 1 1 1 1 0 1 X

1 1 1 1 1 1 X X

These commands are only for factory use. Host must not issue them.

8

ATA-2 Notes: Prior to ATA-2 standard, this bit indicated that the device was on track. This bit may be used for other purposes in

future standards. For compatibility the drive supports this bit as ATA-1 specifies. User is recommended not to use this bit.

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