Verify (Group 5) Command (Afh) - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 2-126
SCSI-2 Drive Command Set

Verify (Group 5) Command (AFH)

Verify (Group 5) Command (AFH)
This command verifies the data starting from the specified logical block
address by checking the error correction code.
This command has two modes of operation, depending on the value of the
BV bit. If the Blk Vfy bit is set to 0, it 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 5) CDB
Byte 7
0
1 Logical Unit Number
(0)
2
3
4
5
6
7
8
9
10
11
2-140
6 5 4
Operation Code (AFH)
DPO
Logical Block Address (MSByte
Logical Block Address
Logical Block Address
Logical Block Address (LSByte)
Verification Length (MSByte)
Verification Length
Verification Length
Verification Length (LSByte)
Reserved (0)
Reserved (0)
3 2 1
Rsvd Blk Rsvd
(0) Vfy (0)
Flag
0
RelAdr
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