Seagate ST12450W, Product Manual

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46 ST12450W/WD Product Manual, Rev. A
11.3 SCSI interface commands supported
Table 3 lists the SCSI interface commands supported in SCSI-1 and
SCSI-2 modes. Barracuda 2, 2HP family drives can be changed back and
forth between SCSI-1 and SCSI-2 modes using the Change Definition
command. Standard OEM drives are shipped set to operate in SCSI-2
mode.
Table 3. Supported commands
Command Supported by:
code SCSI-1 SCSI-2 Command name
00h Y Y Test Unit Ready
01h Y Y Rezero Unit
03h Y Y Request Sense
Y Y Extended Sense
Y Y Field Pointer Bytes
N N Actual Retry Count Bytes
04h Y Y Format Unit [1]
07h Y Y Reassign Blocks
08h Y Y Read
0Ah Y Y Write
0Bh Y Y Seek
12h Y Y Inquiry
N Y Vital Product Data Page
N Y Unit Serial Number Page
N Y Implemented Operating Def. Page
N Y Firmware Numbers Page
N Y Date Code Page
N Y Jumper Settings Page
15h Y Y Mode Select
(same pages as Mode Sense
command shown below)
16h Y Y Reserve
Y Y 3rd Party Reserve
N N Extent Reservation
17h Y Y Release
18h N N Copy
1Ah Y Y Mode Sense
Y Y Unit Attention Page (00h)
Y Y Error Recovery Page (01h)
Y Y Disconnect/Reconnect Control (page 02h)
Y Y Format Page (03h)
Y Y Rigid Disc Drive Geometry Page (04h)
N Y Verify Error Recovery Page (07h)
N Y Caching Parameters Page (08h)
N Y Control Mode Page (0Ah)
N Y Notch and Partition Page (0C)
(media zones)
1Bh Y Y Start Unit/Stop Unit
continued