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| Attach/Detach Packet (all devices) | ||||
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| attributes (byte offset | ||
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| $10). |
| |
$29 |
| xxxxxxxx |
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| Alternate cylinders | |||||
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| defines the number of | ||
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| alternate cylinders | ||
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| per disk that are to be | ||
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| reserved at the end of | ||
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| the disk for | ||
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| alternates. | ||
| NOTE: |
| 1. |
| Refer to Chapter 3. | |||||
| Old Packet Supported for Compatibility |
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| ||||
| Even Byte \ |
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| |
| Odd Byte \ |
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| FC |
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| B8 |
| 74 |
| 30 |
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| +$00 |
|
| Controller LUN |
|
| Device LUN |
| ||
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| |||
| +$02 |
|
| Status Byte 0 |
| Status Byte 1 (Note 1) |
| |||
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| |
| +$04 |
| 0 |
| 0 |
|
| Step Rate |
| |
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| ||
| +$06 |
| 0 |
| 0 |
| Number of Heads |
| ||
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| |
| +$08 |
|
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| Number of Cylinders |
|
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| ||
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| ||||
| +$0A |
|
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| Precompensation Cylinder |
| ||||
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| ||
| +$0C |
|
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| Logical Sectors per Track |
|
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| ||
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| |
| +$0E |
| 0 |
| 0 |
| 0 |
| 0 |
|
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| |
| +$10 |
|
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| SCSI Disk Attributes |
|
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| ||
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| |
| +$12 |
|
| Controller Type |
|
| Drive Type |
| ||
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| ||
| +$14 |
| 0 |
| 0 |
| Function Code (08, 0C) |
| ||
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| |
| +$16 |
|
| Interrupt Level |
| Vector Number |
| |||
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| |||
| +$18 |
|
| Status Byte 2 |
| Status Byte 3 (Note 1) |
| |||
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| |
| +$1A |
| 0 |
| 0 |
|
| Retry Count |
| |
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| |
| +$1C |
|
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| Physical Bytes per Block |
|
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| ||
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| |||
| +$1E |
| Alt Sectors per Zone |
| No. Alt Cyls to Reserve |
| ||||
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|
7 |
