I have a pb. when installing SuSE 6.4 on a new Dell 2450 PowerEdge PIII/733 SMP-2 1GB: All kernels that I have tried failed on boot when they try to start the Adaptec 7899 SCSI device driver. The drivers seems to detect the chip but then there is messages about "pid timeout", then "resetting channel", then "trying harder...", then - nothing. I have tested the hardware by formatting the hard disk with Adaptec's AIC-7899 SCSI BIOS V25306, incorporated with the system's BIOS. I have tried to load a network based PC management tool ( http://www.rembo.com) and it sees the hard disk OK, formats it and it installs even SuSE 6.4 on it without any problems. I have several other Dell 2450's around, about one year old, also with Adaptec 7899 and they do work well. I have tried 2.2.14, 2.2.18 and 2.4.2 kernels. All give the above results. The Adaptec's chip version is AIC-7899G, BQECO19, 752812. Thanks for any comments, Petri