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100

101

SCSI-2 Drive Command Set

Write and Verify (Group 1) Command (2EH)

Chapter 22-90

Write and Verify (Group 1) Command (2EH)

Writes data to the optical disk and then verifies the write by reading the

written data and checking the error correction code.

NOTE The Mode Select Commands (15H, 55H) impact read, write, format, and

erase commands.

NOTE The 9.1 and 5.2 Gbyte capacity drives cannot Format, Erase, Write, or

Write and Verify 650 Mbyte and 1.3-Gbyte optical disks. The 2.6 Gbyte

capacity drives cannot Format, Erase, Write, or Write and Verify 650

Mbyte optical disks. If this command is issued with any of these drive/

media combinations, a CHECK CONDITION status will result with the

Sense Key/Additional Sense Code set to Data Protect/Write Protected.

NOTE For Write-Once media, Byte 9, Bit 7 and Bit 6 are reserved (0).

Table 2-79 Write and Verify (Group 1) Command CDB

Byte 7 6 5 4 3 2 1 0

0 Operation Code (2EH)

1 Reserved (0) DPO Rsvd

(0)

EBP Rsvd

(0)

RelAdr

2 Logical Block Address (MSByte)

3-4 Logical Block Address

5 Logical Block Address (LSByte)

6 Reserved (0)

7 Transfer Length (MSByte)

8 Transfer Length (LSByte)

9 PBA ErsCntl Reserved (0) Flag Link

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 377 378

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