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SCSI Description
Maxtor Atlas 10K III 5-13
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.
CHANGE DEFINITION Command Descriptor Block-Data Format
CHANGE DEFINITION-Field Descriptions
0 Operation Code (40h)
1 Reserved
2 Reserved Save
3Rsv’d New Operating Definition
(0, 1, 2, 3, or 4 are legal values for Parallel SCSI Disk Drives)
4 - 7 Reserved
8 Parameter Data Length
9 Control
Save
Save Parameters. When this field is set to 1, the
new operating definition is saved in the drive's
non-volatile memory.
New Operating Definition
The values that can be supplied in the field are
listed below:
0 Current Definition
1 SCSI-1
2 SCSI-1/CCS (Common Command Set)
3 SCSI-2
4 SCSI-3
Parameter Data Length
Length, in bytes, of the parameter data.