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100

101

SCSI-2 Drive Command Set

Erase (Group 1) Command (2CH)

Chapter 22-88

Erase (Group 1) Command (2CH)

This command erases data from the specified logical block address. This

command can only be used with rewritable disks.

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.

Table 2-78 Erase (Group 1) Command CDB

Byte 7 6 5 4 3 2 1 0

0 Operation Code (2CH)

1 Logical Unit Number

(0)

Reserved (0) ERA Rsvd

(0)

RelAdr

2 Logical Block Address (MSByte)

3 Logical Block Address

4 Logical Block Address

5 Logical Block Address (LSByte)

6 Reserved (0)

7 Transfer Length (MSByte)

8 Transfer Length (LSByte)

9 PBA Reserved (0) Flag Link

1 2 ... 120 121 122 123 124 125 126 127 128 129 130 ... 377 378

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