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Two different video cards, one disables the other. ATI Radeon HD 3450 and ATI Rage XL pro (the XL pro disables the HD 3450)

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  • ATI
  • Radeon
  • Graphics Cards
  • Graphics
Last response: in Graphics Cards
August 17, 2014 6:13:58 AM

I have an ati radeon hd 3450 (that can support two different monitors) and an ati rage xl pro. When I finally got the rage plugged in to the pci port and booted up it disabled my hd 3450. Not only that but when I went on the web looking for solutions I was told to update my drivers. Not a problem until the hd 3450 now thinks its the rage. Both cards will not work at the same time. I would like to have both cards in so that I can have 3 monitors up and running.

quick note the XL pro runs in the PCI slot and the HD 3450 runs in the PCI.e 16

Computer Dell optiplex 760
processor intel q6600 core 2 quad
ram 8 gb
psu (stock) 305 watts
op WIndows 7


this is my dads old computer that I have been putting together for s#!^s and giggles. Any help would be great.

More about : video cards disables ati radeon 3450 ati rage pro pro disables 3450

a c 278 U Graphics card
August 17, 2014 6:34:37 AM

justenmoraitis said:
I have an ati radeon hd 3450 (that can support two different monitors) and an ati rage xl pro. When I finally got the rage plugged in to the pci port and booted up it disabled my hd 3450. Not only that but when I went on the web looking for solutions I was told to update my drivers. Not a problem until the hd 3450 now thinks its the rage. Both cards will not work at the same time. I would like to have both cards in so that I can have 3 monitors up and running.

quick note the XL pro runs in the PCI slot and the HD 3450 runs in the PCI.e 16

Computer Dell optiplex 760
processor intel q6600 core 2 quad
ram 8 gb
psu (stock) 305 watts
op WIndows 7


this is my dads old computer that I have been putting together for s#!^s and giggles. Any help would be great.



The ati rage would only work if you had xp or lower version of windows.
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August 17, 2014 6:56:19 AM

Well the rage disables the HD3450 and then it runs fine, is there any driver or something that I can do to run them both?

If I only put in the HD 3450 it runs fine (apart from it now only displaying one monitor)

If I only put in the Rage it will also run fine (with windows 7)

its only when I put them both in that the rage disables the HD 3450 and runs solo
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a c 278 U Graphics card
August 17, 2014 7:00:02 AM

justenmoraitis said:
Well the rage disables the HD3450 and runs fine, is there any driver or something that I can do to run them both


I did not think there were drivers at all for the rage under win 7 as it is a legacy product.

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August 17, 2014 7:02:24 AM

Is this old mother board capable of running the two cards simultaneously?

Can the HD 3450 run 3 monitors with one coming out the s-video port and the other 2 out of the splitter?
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Best solution

a c 362 U Graphics card
August 17, 2014 7:12:13 AM

The problem here is that the AND drivers for the RAGE card are overwriting the AMD drivers for the Radeon HD card. If possible, try installing the drivers in separate locations. Not sure if that's going to work, though as some drivers will need to be in the Windows directory and if that file is over-written, you're out of luck.

-Wolf sends
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August 17, 2014 7:24:22 AM

The problem with that is once I boot up the drivers are automatically installed.

A coworker of mine suggested going into the bios and making the pci port a slave drive. Is this an option?
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August 28, 2014 4:01:20 PM

You have to go into the BIOS and set Primary Graphics Adapter or something like that, to PCI-Express.
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