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Mixing PCI and PCI Express Graphics Cards


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#1
Kei_Centillion

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To see original post/question, go here

Okay, so I recently created my own new system 100% by myself. I thought I was ready to do so, for having worked on and with computers for several years. However, I'm encountering error after error after error.

The latest one is this; while waiting for my dvdrw drive, computer case, and more ram, I put in my new nvidia 512mb (geforce) 7300 PCI express graphics card to have dual monitors; I only have 2 old crts, and no adapters, so I left the older normal PCI card, a nvidia 6200 series 256mb card, in.

Now, I have completed the assembly of the computer, and tried playing oblivion; to my utter horror, the game looked god-aweful and lagged something worse. In my previous post I listed my system specs; here they are again for reference;

ECS NFORCE6M-A - Motherboard Based on NVIDIA nForce 520LE (Socket AM2) Chipset
4.8 ghz AMD athlon prossessor (Brisbane 2.4 x2 dual core)
2 gigs RAM

I have almost 1tb of Hard drive space, 350gb free, so there's no question of room/space.

I'm thinking it might be a conflict of drivers? It was brought up in the previously mentioned thread that my PSU might be really straining to power eveything in and outside my apevia x-plorer case, but I doubt it because my left monitor (the older crt on the 6200 monitor) always flickers on boot, something it never did until i put both cards in, and defaults to 800 x 600 resolution. I can then change it to 1024 x 768 manually, however.

Any help appreciated =/

I'm running windows XP proffessional SP2 with vista inspirat 1, ftr
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#2
pip22

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Hi Kei, & welcome to Geeks2Go!

Unfortunately, PCI & PCI-E on the same board aren't designed to be used together for the same type of device (in your case a graphics card). They are there to give you a choice and (where PCI slots are fitted) for backwards compatibility with PCI hardware if, for example you already own an expensive high-end PCI gaming card, or if a card you want to buy is only available as PCI but not PCI-E.

So it's a case of "either one or the other" but not "both together" as this leads to insurmountable IRQ and driver conflicts.

Edited by pip22, 07 March 2008 - 02:31 PM.

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#3
Kei_Centillion

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Thanks for the welcome, and thanks for a prompt response! I figured as much... As soon as I get this video adapter I'll be removing the 6200 card and either sell it or donate it to a freind.

To remove it's driver, and thus remove all the issues it created, I'm hoping all I have to do is go to device manager and uninstall the driver? Would that resolve my compatability issues, you think? Thanks.
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#4
Doug

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I'm hoping all I have to do is go to device manager and uninstall the driver? Would that resolve my compatability issues, you think?


Yes. :)
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#5
RobInAz

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I got this to work on a Dell 690 with Windows 7 64 bit.
The trick was the first time I put the PCI card in, no display. I had to remote desktop in. The hardware manager showed all cards as requiring reboot with the yellow caution triangle thingys.
I opened cmd and then entered shutdown -t 0 -r -f to reboot.
This time the displays connected to the PCIe card powered up. It took a long (like 10 minutes) time for Windows 7 to login and all the video cards were sorted out.

The PCIe card is an NVIDIA QUADRO FX 550. The two PCI cards are NVIDIA GeForce 6200.
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