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Quantum Audio Travan 40 Tape Drive STT3401A User Manual

Page 111

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ATAPI Interface

Chapter 5

Seagate Travan 40 Product Manual

Page 103

Word(s)

Starting Offset

(hex)

Description of Contents

Value (hex)

93

Hardware reset result. The contents of bits 12-0 of this word shall change only during
the execution of a hardware reset.

15

Shall be cleared to zero.

14

Shall be set to one.

13

1 = device detected CBLID- above ViH

0 = device detected CBLID- below ViL

12-8

Device 1 hardware reset result. Device 0 shall clear these bits to

zero. Device 1 shall set these bits as follows:

12

Reserved.

11

0 = Device 1 did not assert PDIAG-.

1 = Device 1 asserted PDIAG-.

10-9

These bits indicate how Device 1 determined the

Device number:

00 = Reserved.

01 = a jumper was used.

10 = the CSEL signal was used.

11 = some other method was used or the method is

unknown.

8

Shall be set to one.

7-0

Device 0 hardware reset result. Device 1 shall clear these bits to

zero. Device 0 shall set these bits as follows:

7 Reserved.

6

0 = Device 0 does not respond when Device 1 is

selected.

1 = Device 0 responds when Device 1 is selected.

5

0 = Device 0 did not detect the assertion of DASP-.

1 = Device 0 detected the assertion of DASP-.

4

0 = Device 0 did not detect the assertion of PDIAG-.

1 = Device 0 detected the assertion of PDIAG-.

3

0 = Device 0 failed diagnostics.

1 = Device 0 passed diagnostics.

2-1

These bits indicate how Device 0 determined the

device number:

00 = Reserved.

01 = a jumper was used.

10 = the CSEL signal was used.

11 = some other method was used or the method is

unknown.

0

Shall be set to one.

varies

94-126

Reserved

127

Removable Media Status Notification feature set support

15-2

Reserved

1-0

00 = Removable Media Status Notification feature set not

supported

01 = Removable Media Status Notification feature supported

10 = Reserved

11 = Reserved

0000

128

Security status

15-9

Reserved

8

Security level 0 = High, 1 = Maximum

7-6

Reserved

5

1 = Enhanced security erase supported

4

1 = Security count expired

3

1 = Security frozen

2

1 = Security locked

1

1 = Security enabled

0

1 = Security supported

0000

129-159

vendor specific

0000

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