Hi. I am running a G4/400 Sawtooth running OS 9.2; it has a PCI SCSI card installed that came with the computer (I know it to be an Adaptec, fast SCSI). It's been connected to an external Yamaha CD-RW drive for over a year with no problems. Last week, the drive suddenly wasn't recognized by Toast, SCSIProbe, Apple Disk Utility, anything. I hadn't installed anything new (running OS 9.2), physically moved anything...I did the usual,checked cables, made sure the card was inserted firmly into the PCI slot, even tried moving the card to another slot. Nothing. Eventually I ran Apple System Profiler on it, and the device listing for the PCI slot (whichever slot the card was in when I ran it) was the following: Slot SLOT-D PCI Slot Card type: Not available Card name: pci9004,7850 Card model: Not available Card ROM #: Not available Card revision: 3 Card vendor ID: 9004 And actually, once I ran it and magically, it seemed to recognize the card and listed it as an Adaptec,etc. But that was only once. Now it's back to the above listing; SCSI probe shows only the Mac as ID7, and says "no SCSI bus" at the top of the screen. As someone suggested, I booted and shut down the mac without the SCSI card in place, and then replaced the card. When I did that, the Mac recognized the card just fine. BUT, when I hook it up to the CD-RW drive again, the Mac again reads it as an unknown PCI card. I am TOTALLY FRUSTRATED, and I dont know what to do--it seems like the drive is fine, the SCSI card is fine, but together there is some problem beyond my fixing. HELP! Frank

Have you looked at possible termination problems ? And the possibility that improper termination have finally phooey-d the drive card ? The problems you describe are some of the same ones I have when HD's do not have apple drivers on them, or my plug in scsi devise is not terminated properly. Intermitant connections could also be a problem, Try cleaning all contacts with alcohol, and Q-tip.

Did you bother to read the last reply someone gave you? IIRC, the person said your card might be bad. Have you checked that out? p

if your adaptec card is 2940UW2 , alas, you should accept the situation ;if you have sommewhere a orange micro SCSI/USB/FIREWIRE adapter , contact the manufacturer.Good luck.