On Wed, 2005-12-28 at 08:24 -0500, Alfred von Campe wrote: > Thanks for all the responses. > > > You might want to first check your BIOS settings for the CDROM drive, > > and then the data cable. I really don't think there is such a thing > > as an incompatible CDROM, but I have seen some BIOS settings making > > CDROM drives behave weirdly. > > What type of BIOS settings are you talking about? The system is > currently up and running, so I can't easily check it (but I'll > probably reboot it later today). look for DMA settings for the drive. turning DMA off could help > > The master/slave setting is set to exactly the same setting (slave) > as the CD-ROM drive it replaced (there is another drive on that same > cable). And how do I change the DMA settings? I think this is what > may be causing the problem. Linux currently doesn't recognize the > drive, as it is disconnected. But I believe it's /dev/hdb (although > it might be /dev/hdd). There are two hard disks at /dev/hda and /dev/ > hdc that are mirrored together and mounted as /home. > As this does not seem the cause of the problem, I would tend to suspect the cable. Is the cable Ultra-DMA capable (high density 80 wires)? In any case, replace it with anUltra-DMA capable cable Louis