Bought this from eBay recently:

Mac Adaptec 2930CU UltraSCSI card
This Ultra SCSI card will fit in any Mac with PCI expansion slots and
provide UltraSCSI (up to 20MB/sec) transfer rates.

Perfect for external SCSI CD/RW burners or JAZ/ZIP drives, or internal Hard
Drives. Attach up to 7 internal/external devices.

It has the following connectors:
-external 50-pin High-Density (SCSI-2 female) connector
-internal 50-pin Standard SCSI connector

Got it out of interest rather than necessity. Cheap enough I suppose, about
$12 US so it does not matter so greatly but when I fitted it, it had the
effect of stopping the monitor from firing up! I isolated the factor to its
mere presence in *any* of the PCI slots. I tried it in a perfectly working
stock standard 7300 with 200MHz cpu, 128 ram. Tried it with different
monitors etc. Yes, I pressed cuda. As I say, merely putting the card in any
slots, never mind any cabling, prevented the monitor (I even tried a
different monitor) from doing anything but be blank. Pulling the card and
restarting (doing nothing else) resulted in the monitor working again,
bright and all (no message saying "Phew! What was that you were doing
before"). 

Any thoughts anyone? Dead card? Inappropriate card. It was pulled from a G3
Blue and White. The web reference is
http://www.adaptec.com/worldwide/product/proddetail.html?cat=Test&prodkey=AP
D-2930U and the specs say for

SCSI-1
SCSI-2 (Fast SCSI)
SCSI-3 (Ultra SCSI)

and for

Macintosh OS 8.6
Macintosh OS 9.0
Macintosh OS 9.0.2
Macintosh OS 9.0.3
Macintosh OS 9.0.4
Macintosh OS 9.1
Macintosh OS 9.2.x
Mac OS X 10.1.x
Mac OS X 10.2.x
Mac OS X 10.3.x
Mac OS X Server 10.1.x
Mac OS X Server 10.2.x
Mac OS X Server 10.3.x

David Elmo


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