Seagate Viper 200 Scsi Interface Manual page 6

Contents
Command Descriptor Blocks .....................................................................................17
Command Descriptor Block Formats ..................................................................17
Operation Code Format.......................................................................................18
Control Byte Format ............................................................................................18
Command Status .......................................................................................................19
Status Byte Format..............................................................................................19
Status Codes.......................................................................................................19
ERASE.......................................................................................................................20
Command Descriptor Block.................................................................................20
Completion Status ...............................................................................................21
INQUIRY ....................................................................................................................22
Command Descriptor Block.................................................................................22
Standard Inquiry Data Page ................................................................................23
Supported Vital Product Data (VPD) Page (00h) ................................................24
Unit Serial Number Page (80h) ...........................................................................25
Device Identification Page (83h) .........................................................................26
Drive Component Revision Levels Pages (C0h, C1h) ........................................27
Drive Component Serial Number Page (C2h,C3h,C4h,C5h,C6h).......................28
Drive Status Page (DFh) .....................................................................................28
Completion Status ...............................................................................................32
LOAD UNLOAD .........................................................................................................33
Command Descriptor Block.................................................................................33
Completion Status ...............................................................................................35
LOCATE.....................................................................................................................36
Command Descriptor Block.................................................................................36
Completion Status ...............................................................................................37
LOG SELECT ............................................................................................................38
Command Descriptor Block.................................................................................38
Log Pages ...........................................................................................................39
Completion Status ...............................................................................................41
LOG SENSE ..............................................................................................................42
Command Descriptor Block.................................................................................42
The Parameter Pointer Field ...............................................................................43
Log Pages ...........................................................................................................43
Supported Log Pages Log (00h) .........................................................................45
Write Error Counters Log (02h) ...........................................................................46
Read Error Counters Log (03h)...........................................................................47
Sequential Access Device Log (0Ch)..................................................................47
Tape Alert Log (2Eh) ...........................................................................................47
Tape Usage Log (30h) ........................................................................................48
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