5.7CHANGE OPERATING DEFINITION (40h)
The CHANGE DEFINITION command shown in Table
Table
Bit | 7 | 6 |
| 5 | 4 |
| 3 | 2 | 1 |
| 0 |
Byte |
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
| |
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 |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
Table
Field |
| Description | |
| Save Parameters. When this field is set to 1, the new op- | ||
Save | erating definition is saved in the drive's | ||
| memory. | ||
|
| ||
| The values that can be supplied in the field are listed be- | ||
| low: | ||
| 0 | Current Definition | |
| 1 | ||
New Operating Definition | 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 | ||
|
| ||
Parameter Data Length | Length, in bytes, of the parameter data. | ||
Must be 0. | |||
| |||
|
|
| |