7 change operating definition (40h), Table 5-10 change definition-field descriptions – Maxtor 10K V User Manual
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Maxtor Atlas 10K V
5.7
CHANGE OPERATING DEFINITION (40h)
The CHANGE DEFINITION command shown in Table 5-9 and Table 5-10 set the
SCSI compliance for disk drives with parallel SCSI interfaces to one of four different
levels: SCSI-1, SCSI-1/CCS, SCSI-2 or SCSI-3.
Table 5-9
CHANGE DEFINITION Command Descriptor Block-Data Format
Table 5-10
CHANGE DEFINITION-Field Descriptions
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (40h)
1
Reserved
2
Reserved
Save
3
Rsv’d
New Operating Definition
(0, 1, 2, 3, 4, 5 and 6 are legal values for Parallel SCSI Disk Drives)
4 - 7
Reserved
8
Parameter Data Length
9
Control
Field
Description
Save
Save Parameters. When this field is set to 1, the new op-
erating definition is saved in the drive's non-volatile
memory.
New Operating Definition
The values that can be supplied in the field are listed be-
low:
0 Current Definition
1 SCSI-1
2 SCSI-1/CCS (Common Command Set)
3 SCSI-2
4 SCSI-3
5 SCSI-3 U160
6 SCSI-3 U320
Parameter Data Length
Length, in bytes, of the parameter data.
Must be 0.