Atapi interface 27 – Quantum Audio Travan 40 Tape Drive STT3401A User Manual
Page 5
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