(by the way, you should also set the SCSI card up so that bios support is not activated fro the sampler)

Close, but I think what you really want to do is turn off the SCSI card BIOS. I had the same problem with the computer locking up on boot, and it turned out that by disabling scsi device detect, everything ran smooth.
The only problem I have is that EOS-Link is a piece of crap and stops working when any other information is sent along the scsi bus (sampler reading from CD-ROM for instance).