SCS I Description
M axtor Atlas 10K III 5-13
The CHANGE DEFINITION command shown in Table 5-9 and Table 5-10 set the
SCSI c ompliance for disk drives with parallel SCSI inte rfaces to one of four different
leve l s : SCSI-1 , SC SI-1/CCS, S CSI-2 or SCSI-3 .
CHANGE DEFINITION Command Descriptor Block-Data Format
CHANGE DEFINITION-Field Descriptions
0 Opera tion C ode (4 0h )
1 Reserved
2 Reserved Save
3Rsv’d New Opera ti ng Defi nition
(0, 1, 2, 3, or 4 are lega l val ues for Parallel SCSI Disk Drives)
4 - 7 Re served
8 Parameter Data Length
9 Control
Save Save Param eters. When t his field is s et to 1, the
new operating definition is saved in the drive's
non-volat ile memory.
New Operating De finition
The values that can be supplied in the field are
listed below:
0 Current Def inition
1 SCSI-1
2 SCSI-1/CCS (Common Command Set)
3 SCSI-2
4 SCSI-3
Parameter D ata Length Length, in bytes, of the parameter data.