Attach/Detach Packet (all devices)
Even Byte \
Odd Byte \
| FC |
| B8 |
| 74 |
| 30 |
|
|
|
|
|
|
|
|
+$00 |
| Controller LUN |
|
| Device LUN | ||
|
|
|
|
|
| ||
+$02 |
| Status Byte 0 |
|
| Status Byte 1 (Note 1) | ||
|
|
|
|
|
|
|
|
+$04 |
| 0 |
| 0 |
| Number of Tracks | |
|
|
|
|
|
|
| |
+$06 |
| 0 |
| 0 |
| Minimum Read Transfer | |
|
|
|
|
|
|
| |
+$08 |
| 0 |
| 0 |
| Minimum Write Transfer | |
|
|
|
|
|
|
| |
+$0A |
| 0 |
| 0 |
| Streaming Count | |
|
|
|
|
|
|
|
|
+$0C |
| 0 |
| 0 |
| 0 | 0 |
|
|
|
|
|
|
|
|
+$0E |
| 0 |
| 0 |
| 0 | 0 |
|
|
|
|
|
|
| |
+$10 |
|
|
| SCSI Tape Attributes |
| ||
|
|
|
|
|
|
| |
+$12 |
| Controller Type |
|
| Drive Type | ||
|
|
|
|
|
|
|
|
+$14 |
| 0 |
| 0 |
| Function Code (28) | |
|
|
|
|
|
|
|
|
+$16 |
| Interrupt Level |
|
| Vector Number | ||
|
|
|
|
|
| ||
+$18 |
| Status Byte 2 |
|
| Status Byte 3 (Note 1) | ||
|
|
|
|
|
|
|
|
+$1A |
| 0 |
| 0 |
| Retry Count | |
|
|
|
|
|
|
| |
+$1C |
|
|
| Bytes per Block |
| ||
|
|
|
|
|
| ||
+$1E |
|
| +$20 |
| RAM Work Area | +$22 | |
|
|
|
|
| Address (MSW) |
| |
|
|
|
|
|
|
|
|
RAM Work Area |
|
|
|
|
|
|
|
Address (LSW) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$00 |
| 00000xxx |
|
| Controller logical unit | ||
|
|
|
|
|
| number | |
$01 |
| 00000xxx |
|
| Device logical unit | ||
|
|
|
|
|
| number | |
$02 |
| xxxxxxxx |
|
| Status from SCSI | ||
|
|
|
|
|
| firmware (byte 0) | |
|
|
|
|
|
| (Note 1) | |
$03 |
| xxxxxxxx |
|
| Status from SCSI | ||
|
|
|
|
|
| firmware (byte 1) | |
|
|
|
|
|
| (Note 1) | |
7 |
