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HP 2600fx - Optical Disk Drive Command Reference Manual: Verify (group 1) Command (2fh)

Optical drive and library for fx, ex and mx models.
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Table 2-80
SCSI-2 Drive Command Set

Verify (Group 1) Command (2FH)

Verify (Group 1) Command (2FH)
This command verifies previously written data integrity starting at the
specified Logical Block Address by reading the data and checking the
Error Correction Code. The verification threshold is set to approximately
half of the error correction capability.
Verify (Group 1) Command CDB
Byte
7
6
0
1
Logical Unit
Number (0)
2
3
4
5
6
7
8
9
DPO
A Disable Page Out (DPO) bit of 1 instructs the target
not to retain the data in the cache after it has been
verified.
A DPO bit of 0 instructs the target to retain the data in
the cache after it has been verified.
This bit is ignored.
2-92
5
4
3
Operation Code (2FH)
DPO
Rsvd
(0)
Logical Block Address (MSByte)
Logical Block Address
Logical Block Address
Logical Block Address (LSByte)
Reserved (0)
Verification Length (MSByte)
Verification Length (LSByte)
Reserved (0)
2
1
0
Blk
Rsvd
RelAdr
Vfy
(0)
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