Attach/Detach Packet (all devices)
+$1E |
| +$20 |
| Pointer RAM |
| +$22 | |
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| Work Area |
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| (MSW) |
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Pointer RAM |
| +$24 |
| Logical Bytes per |
| +$26 | |
Work Area |
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| Block |
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(LSW) |
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+$28 | Alt Sectors per Zone |
| No. Alt Cyls to Reserve | ||||
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$00 | 00000xxx |
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| Controller logical unit | ||
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| number (SCSI | ||
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| address | ||
$01 | 00000xxx |
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| Device logical unit | ||
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| number | ||
$02 | xxxxxxxx |
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| Status from SCSI | ||
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| firmware (byte 0) | ||
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| (Note 1) | ||
$03 | xxxxxxxx |
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| Status from SCSI | ||
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| firmware (byte 1) | ||
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| (Note 1) | ||
$04 | 00000000 |
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| Reserved | ||
$05 | xxxxxxxx |
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| Step Rate | ||
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| of 40 | intervals per | |
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| step (a value of 0 | ||
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| defaults to 6 ms) | ||
$06 | 00000000 |
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| Reserved | ||
$07 | xxxxxxxx |
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| Number of heads on | ||
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| drive |
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$08 | xxxxxxxx | xxxxxxxx |
| Number of cylinders | |||
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| on drive | ||
$0A | xxxxxxxx | xxxxxxxx |
| Precompensation | |||
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| cylinder | ||
$0C | xxxxxxxx | xxxxxxxx |
| Logical sectors per | |||
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| track, physical = this | ||
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| plus alternate sectors | ||
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| per zone if zone = | ||
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| track |
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$0E | 00000000 | 00000000 |
| Reserved | |||
$10 | xxxxxxxx | xxxxxxxx |
| SCSI drive attributes |
7 |