Hi.
I can´t follow all the posts of this thread.
Seems that the BIOS: 4W4SB0X0 was not found.
Well I have a motherboard like the one described, from GATEWAY and also with an adaptec 2940UW, and a big mix of SCSI and IDE devices, and I have no problems. The boot is quick. I usualy run Win2K, and have a partition for WinXP, just for tests.
Anyway, the bios can be found at this gateway page:
http://support.gateway.com/support/driv ... odity=BIOS
Here you can use the browser find(on this page...) with the keyword 4W4SB0X0.
Can be find there a link to: "More information" and another one to "Download Now"
Hope that's all about, as I said I did not follow all the posts.
Good luck.
lukas