Seagate STT20000A Product Manual page 6

Table of Contents
ATAPI interface
Page vi
Setting the write-protect switch ...................................................................... 25
Loading revised firmware via Seagate firmware cartridge ...................................... 26
Drive maintenance ................................................................................................ 27
Caring for tape cartridges ............................................................................... 27
Cleaning the drive read/write head.................................................................. 27
Troubleshooting .................................................................................................... 28
Introduction........................................................................................................... 31
ATA-2 Interface .................................................................................................... 31
ATA-2 Signals ................................................................................................ 31
DASP-...................................................................................................... 31
PDIAG- .................................................................................................... 31
ATA registers ................................................................................................. 32
Status Register......................................................................................... 32
Error Register........................................................................................... 33
Feature Register ...................................................................................... 33
Supported ATA Commands ............................................................................ 34
Execute Drive Diags (90h)........................................................................ 34
Idle Immediate (E1h) ................................................................................ 34
Standby Immediate (E0h)......................................................................... 34
Check Power Mode (E5h)......................................................................... 34
Sleep (E6h) .............................................................................................. 34
Set Features (EFh)................................................................................... 35
ATAPI Identify Device (A1h)..................................................................... 36
ATAPI Packet Command (A0h) ................................................................ 37
ATAPI Soft Reset (08h)............................................................................ 37
ATAPI interface .................................................................................................... 38
Reserved Fields.............................................................................................. 39
Erase command.................................................................................................... 40
Inquiry command .................................................................................................. 41
Load/Unload command ......................................................................................... 42
Locate command .................................................................................................. 43
Log Select command ............................................................................................ 44
Log Sense command ............................................................................................ 45
Error Counter Page (Read)............................................................................. 46
Tape Capacity Page Code.............................................................................. 47
Mode Select command ......................................................................................... 49
Mode Sense command ......................................................................................... 50
Mode Parameter Header ................................................................................ 50
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STT20000A Product Manual