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Basic hardware configuration

EIDE/UDMA host adapter bootstrings

The wd driver supports the following bootstrings:


wd.noscan
disables hardware checking by the driver. This prevents conflicts on systems that have both SCSI and ATAPI hardware enabled.

wd.udma
allows boot-time configuration of Ultra DMA (UDMA) with the following settings:

off
disables UDMA

auto
if settings do not match motherboard, tries to sense and reprogram disk

0 or 16
udma 16 MB/sec

1 or 25
udma 25 MB/sec

2 or 33
udma 33 MB/sec

3 or 44
udma 44 MB/sec

4 or 66
udma 66 MB/sec

5 or 100
udma 100 MB/sec

6 or 133
udma 133 MB/sec

Next topic: Root hard disk bootstrings
Previous topic: ATAPI/EIDE peripheral bootstrings

© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003