|
| Attach/Detach Packet (all devices) | |
$12 | xxxxxxxx |
| Controller type (refer |
|
|
| to controller type |
|
|
| table) |
$13 | 00000000 |
| Drive type (0 = |
|
|
| random access drive) |
$14 | 00000000 |
| Reserved |
$15 | xxxx1x00 |
| SCSI function ($08 = |
|
|
| attach, $78 = new |
|
|
| attach, |
|
|
| $0C = detach) |
$16 | 000000xx |
| Interrupt level (7 |
|
|
| through 0) (0 = polled |
|
|
| mode) |
$17 | xxxxxxxx |
| Vector number to use |
|
|
| upon return |
$18 | xxxxxxxx |
| Status from SCSI |
|
|
| firmware (byte 2) |
|
|
| (Note 1) |
$19 | xxxxxxxx |
| Status from SCSI |
|
|
| firmware (byte 3) |
|
|
| (Note 1) |
$1A | 00000000 |
| Reserved |
$1B | xxxxxxxx |
| Retry count: number |
|
|
| of SCSI commands |
|
|
| (if this is set to 0, the |
|
|
| firmware disables |
|
|
| correction and turns |
|
|
| off retries in the |
|
|
| controller. Also, the |
|
|
| firmware does not |
|
|
| automatically retry |
|
|
| the SCSI command |
|
|
| except |
|
|
| "unit attention" and |
|
|
| "not diagnostics".) |
$1C | xxxxxxxx | xxxxxxxx | Sector/block size in |
|
|
| bytes (MSW) |
$1E | xxxxxxxx | xxxxxxxx | Sector/block size in |
|
|
| bytes (LSW) |
7 |
