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Bitfields for AMD Am53C974A Host Configuration Register

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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:
000 = BIOS drive 80h
001 = BIOS drive 81h
etc.

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

See Also:

#00925,#00926