Bitfields for AMD Am53C974A Host Configuration Register |
| Bit | Description | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
15 - 9 |
reserved | |||||||||
|
8 |
SCSI bus has been reset | |||||||||
|
7 |
starting BIOS number (bits 6-4) is valid | |||||||||
|
6 - 4 |
starting BIOS number:
|
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|
3 |
this device is a SCSI host | |||||||||
|
2 |
protected-mode driver initialized | |||||||||
|
1 |
real-mode driver initialized | |||||||||
|
0 |
target device present =0 indicates that this is a host if bit 3 is set |
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See Also: |