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Atapi interface 27 – Quantum Audio Travan 40 Tape Drive STT3401A User Manual

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Table of Contents

Seagate Travan 40 Product Manual

Page v

Manual ejection............................................................................................. 18

Setting the write-protect switch ........................................................................... 19

Drive maintenance..................................................................................................... 20

Caring for tape cartridges.................................................................................... 20

Cleaning the drive read/write head...................................................................... 20

Troubleshooting ......................................................................................................... 21

Initial checks........................................................................................................ 21

No drive response, front panel LED does not light.............................................. 21

Front panel LED blinks rapidly following power-up self-test................................ 21

Drive does not come ready ................................................................................. 22

Motor starts to drive cartridge but stops immediately.......................................... 22

Drive will not write but will read previously written tapes ..................................... 22

Tape does not stream ......................................................................................... 22

Drive not seen during boot-up ............................................................................. 23

Drive not seen by OS after boot-up..................................................................... 23

Tape won’t load ................................................................................................... 23

Back-up program “freezes” or “locks up” ............................................................ 23

“Bad blocks,” media errors, etc. .......................................................................... 24

Slow backups ...................................................................................................... 24

Tape won’t eject .................................................................................................. 24

“Incompatible format,” “Won’t write on this tape” ................................................ 24

Loading revised firmware via Seagate firmware cartridge......................................... 25

ATAPI interface

27

Introduction ................................................................................................................ 27

ATA-2 Interface pin assignments .............................................................................. 27

ATAPI commands...................................................................................................... 28

Specification compliance ........................................................................................... 29

ERASE (Group 0, Op. Code 19)................................................................................ 30

INQUIRY (Group 0, Op. Code 12) ............................................................................. 31

LOAD/UNLOAD (Group 0, Op. Code 1B).................................................................. 33

LOCATE (Group 1, Op. Code 2B) ............................................................................. 35

LOG SELECT (Group 2, Code 4C) ........................................................................... 36

LOG SENSE (Group 2, Op. Code 4D) ...................................................................... 37

Page 00h—Supported Log Page ........................................................................ 38

Page 03h—Error Counter for READ (ATAPI) ..................................................... 38

Page 03—Error Counter for READ definitions ............................................. 39

Page 2Eh—TapeAlert Diagnostic ....................................................................... 40

Page 31h—Tape Capacity Page......................................................................... 45

Page 31h—Special Information .......................................................................... 46

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