Bit
Byte
7 6 5 4 3 2 1 0
6
7
8
MSB
Parameter List Length = 0x01
LSB
9
Control
For example, the SCSI commands for enabling/disabling Partial Security Erase are:
3b 01 00 00 00 14 00 00 01 00
The disable/enable Partial Security Erase data structure to be transferred contains one byte, as
described in Table 18.
Table 18: Disable/Enable Partial Security Erase Data Structure
Bit
Byte
7 6 5 4 3 2 1 0
0
Reserved
Partial
A Partial bit of 1 enables partial security erase on power-up.
A Partial bit of 0 disables partial security erase on power-up.
Table 19: Setting the Boundaries
Bit
Byte
7 6 5 4 3 2 1 0
0
Operation Code = 0x3B
1
Logical Unit Number
Reserved
Mode = 0x1
2
Reserved (0x00)
3
4
5
MSB
Buffer Offset = 0x13
LSB
6
7
8
MSB
Parameter List Length
LSB
9
Control
Bit Description
•
Operation Code: 3Bh
•
Mode 0x1: Vendor-specific mode
•
Buffer Offset: 0x13.
29
Product Specification and User Manual FFD 3.5" Ultra320 SCSI
43-PS-0305-00 Rev. 2.0