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Device reset (ata command 08) – Quantum Audio Travan 40 Tape Drive STT3401A User Manual

Page 102

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Chapter 5

ATAPI Interface

Page 94

Seagate Travan 40 Product Manual

DEVICE RESET (ATA Command 08)

The Device Reset command enables the Host to reset an individual device without
affecting the other device on the same IDE cable. This command shall be accepted
when BSY or DRQ is set to one, DRDY is cleared to 0, or DMARQ is asserted. This
command shall be accepted when in Sleep mode. The command will never end in an
error condition.

Host Taskfile Registers—Inputs

Data Bits

Host Taskfile
Register

7

6

5

4

3

2

1

0

HEX

Features

N/A

N/A

Sector Count

N/A

N/A

Sector
Number

N/A

N/A

Byte Count
High

N/A

N/A

Byte Count
Low

N/A

N/A

Device/Head

rsvd

LBA

rsvd

DEV

SAM LUN (not used)

Command

command

08

Host Taskfile Registers—Outputs

Data Bits

Host Taskfile
Register

7

6

5

4

3

2

1

0

HEX

Error

rsvd

tag type (not supported)

MCH

ABRT

EOM

ILI

01

Sector Count

ATAPI ‘signature’

01

Sector
Number

ATAPI ‘signature’

01

Byte Count
High

ATAPI ‘signature’

EB

Byte Count
Low

ATAPI ‘signature’

14

Device/Head

rsvd

LBA

rsvd

DEV

SAM LUN (not used)

Status

BSY

RDY

rsvd

DSC

DRQ

Corr

rsvd

CHK

00

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