Re: 3dfx and USB PCI Card Conflicts?

[Rubywand <rubywand@swbell.net>]

email@domain.com writes ...
> 
> Hi,
> 
> Beige G3 Desktop 266
> Mac OS 9.1
> Belkin 2-port USB PCI Card (F5U005)
> 3dfx Voodoo 5500 PCI Card
> 
> I bought a Belkin USB 2-port PCI card. I installed the card and had
> intermittent freezes on startup. I spent 3 hours believing there to be
> system conflicts but these were too intermittent to prove. I had the
> card replaced for another new one, however, on installing the new card
> and starting up for the first time, the problem was there again.
> 
> I finally tracked down the problem to be some kind of conflict with my
> 3dfx Voodoo 5500 PCI card. When the USB card is taken out, the Mac
> starts up fine. When it is put back in, it freezes on start-up. So in
> essence, both work fine, but not when they are in the Mac at the same
> time. This is true even with extensions disabled.
> 
> Belkin suggest it may be a card conflict or power management issue with
> the PCI Bus - I do recall that when I first had the thing "working" (I
> use the term loosely) the Mac did boot but now it always freezes on
> startup before ANY extensions load.
> 
> Does anyone know of this problem or own a 3dfx Voodoo 5500 PCI card and
> another USB PCI card that does not conflict in this way so I may
> purchase another USB card?
 ....

     Sounds like there may be an interrupt conflict. Whatever, this is an Apple
II newsgroup. You are more likely to get some solid help by posting your
question on a Mac newsgroup such as comp.sys.mac.system .



Rubywand