On Thu, 1 Nov 2007 11:27:32 MST, os24u{at}wisdomtree.info wrote:

>a pci Adaptec 2940UW controller.

Just a warning - my 2940UW, which worked great in my Pentium II, was flaky in 
my Pentium 4.  I think it has trouble with the faster bus speeds... I ended up 
buying a 29160 card, which is working well.

>The scanner cable is 25 pin, the controller has a 68 pin external connector
>Do I have the wrong controller card for this scanner?  Some adapter required?

You can probably find an adapter cable; possibly this one:
http://cgi.ebay.com/Cables-to-Go-25-pin-SCSI-Wide-68-pin-SCSI-Cable-13454_W0Q
QitemZ150159194689QQihZ005QQcategoryZ31494QQcmdZViewItem?refid=store

>If also installing a hard drive does it matter if it is 50, 68 or 80 pin?

Again, you might need to get an adapter.  I'd go for the 68-pin, just to avoid any 
potential headaches.

>Is there a certain size of drive that will not work with a particular pin layout?

I doubt it.

>Is the bios involved and if so how does one determine what bios level?

The SCSI BIOS certainly is involved; it should show the version during POST.  I 
don't know what the limit is on drive size with a 2940, but SCSI drives tend not to 
get as large as the ATA ones.


-----------
"Good people do not need laws to tell them to act responsibly,
while bad people will find a way around the laws."
     - Plato (427-347 B.C.)




 
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