SCSI interface commands supported. Seagate HAWK 2 ST12400W/WD/WC

Product Manual - Hawk 2 Family (Wide bus) SCSI-2 (Volume 1), Rev. A 43

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11.3

SCSI interface commands supported

Table 11.3-1 following lists the SCSI interface commands that are supported in the SCSI-1, SCSI-2 and

SCSI-3 modes of the drive. Hawk 2 Family (Wide bus) drives can be changed back and forth between SCSI-

1 and SCSI-2 modes using the Change Definition Command. OEM standard drives are shipped set to operate in SCSI-2 mode.

Table 11.3-1. Commands supported by ST12400 wide family drives

Com’d

Code

00h

01h

03h

04h

07h

08h

0Ah

0Bh

12h

15h

16h

17h

18h

1Ah

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

N

Y

N

N

Y

Y

Y

Y

N

Y

Y

Y

Y

Y

N

Y

Supported by:

SCSI-1 SCSI-2/SCSI-3

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

N

Y

N

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Command Name

Test unit ready

Rezero unit

Request sense

Extended sense

Field pointer bytes

Actual retry count bytes

Deferred error supported

Format unit [1]

Reassign blocks

Read

Write

Seek

Inquiry

Vital product data page

Unit serial number page

Implemented operating def. page

Firmware numbers page

Date code page

Jumper settings page

Mode select (same pages as mode sense command, see below)

Reserve

3rd parity reserve

Extent reservation

Release

Copy

Mode sense

Unit attention page (00h)

Byte 2 bit 4 (unit attn bit)

Byte 2 bit 5 (DEID bit

Error recovery page (01h)

Disconnect/reconnect Control page (02h)

Format page (03h)

Rigid disc drive geometry page (04h)

Verify error recovery page (07h)

Caching parameters page (08h)

Control mode page (0Ah)

Notch and Partition Page (0C) (Media Zones)

[1] ST12400 wide family can format to any even number of bytes per sector from 180 to 4096.

44 Product Manual - Hawk 2 Family (Wide bus) SCSI-2 (Volume 1), Rev. A

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Com’d

Code

1Bh

1Ch

1Dh

3Bh

3Ch

3Eh

3Fh

40h

41h

42-4Bh

4Ch

4Dh

4E-54

55h

56-59

5Ah

5B-5F

60-BFh

C0-DFh

EO-FFh

32h

33h

34h

35h

36h

37h

39h

3Ah

25h

28h

2Ah

2Bh

2Eh

2Fh

30h

31h

Supported by:

SCSI-1 SCSI-2/SCSI-3

Y

N

Y

Y

Y

Y

Y

Y

Y

N

N

Y

N

N

Y

N

N

N

N

N

N

Y

N

Y

Y

N

N

N

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

N

N

Y

Y

Y

Y

Y

Y

Y

N

N

Y

N

N

N

N

N

N

N

N

N

Y

N

Y

Y

N

N

N

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Command Name

Start unit/stop unit (spindle ceases rotating)

Receive diagnostic results

Supported diagnostics pages

Translate page

Send diagnostics page

Supported diagnostics pages

Translate page

Read capacity

Read extended

Write extended

Seek extended

Write and verify

Verify

Search data high

Search data equal

Search data low

Set limits

Prefetch

Synchronize cache

Lock-unlock-cache

Read defect data

Compare

Copy and verify

Write buffer

Read buffer

Read long

Write long

Change definition

Write same

Not used

Log select

Log sense

Not used

Mode select (10)

Not used

Mode sense (10)

Not used

Not used

Not used

Not used