Re: OT: the basics of using a PCI video card

Hi Dan

Dan the K wrote: 
I'm using an IBM PC 750 MCA/PCI (6886-4CH) as the testing computer.
I've acquired a bunch of PCI video cards, and was able to get some
drivers for some of them.

Please tell me if I've got this right...

This computer doesn't need a video card, as a 9595 and (I think) 77
Bermuda do.

Let's say I've put the card in a slot. When booting up, do I plug the
monitor into the computer's jack or the adapter's jack? 

I hope am right here

you need to treat the on-board video card as if it was a pci card
example:

pci slot 1<add-on pci card>
pci slot 2
pci slot 3
pci slot 4
pci slot 5 <on-board video card>
 first card detected is the first to be used

>I tried this
first on a Jaton. It seems the card disables the system jack. 
not disabled, but  not active

There's
no activity if I plug the monitor into the system jack. Ok,
you need special driver or utility , and a capable OS to be able to use both plugs at the same time
AFAIK, only 98SE onward are capable, and u*nix/*nux.. 
plug it
into the card.  The screen is like a colorful jigsaw puzzle.  Does this
mean the card is defective or just useless?

usually means bad VRAM or VRAM address allocation conflict,
is it sitting properly in the slot?


Next I use a Number Nine card.  Everything works fine.  It seems to
come in pre-POST, and displays a little banner on top.  So this goes on
the useful and not defective pile.  However, the only driver I could
find for it is a Windows NT driver.

you need to look for the chipset, example S3/32, 64, 64+,etc...
use a generic driver


TIA,

Dan


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