Identify device (ata command ec) – Quantum Audio Travan 40 Tape Drive STT3401A User Manual

Page 105

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ATAPI Interface

Chapter 5

Seagate Travan 40 Product Manual

Page 97

IDENTIFY DEVICE (ATA Command EC)

This command allows an ATA (not ATAPI) device to report its capabilities to the
Host.

Since this device supports the PACKET feature set, this command will be aborted.

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

EC

Host Taskfile Registers—Outputs

Data Bits

Host Taskfile
Register

7

6

5

4

3

2

1

0

HEX

Error

Rsv

d

tag type (not

supported)

MCH

ABRT

EOM

ILI

04

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

RD

Y

rsvd

DSC

DRQ

Corr

rsvd

CHK

01

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