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Old 02-01-2005, 02:22 AM   #1
daihard
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Using two graphics cards w/ Linux?


Hi.

I am trying to use two graphics cards to do "dual monitoring" using Turbolinux 10. Since my Shuttle box already has a built-in AGP adapter (Intel Extreme Graphics 2), I thought I'd be able to simply add another AGP card in the open AGP slot to connect to two monitors. However, Linux now only detects the card I added (which is a Matrox G400 if it matters).

I went into the BIOS and made sure the onboard video was enabled. What am I missing here?

TIA,
Dai

(P.S.) For those who know, yes, the Matrox G400 is a dual-head card so I could use its dual-monitor capability if necessary, but I'd like to avoid it if I can.
 
Old 02-01-2005, 04:27 AM   #2
daft
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can you find any support for Intel Extreme Graphics 2 in the kernel?
 
Old 02-01-2005, 04:30 AM   #3
daihard
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Quote:
Originally posted by daft
can you find any support for Intel Extreme Graphics 2 in the kernel?
Thanks for the reply.

Yes, Turbolinux 10 detects and configures Intel Extreme Graphics 2 without any problem if I don't have the Matrox card inserted into the extra AGP slot.
 
Old 02-01-2005, 02:59 PM   #4
adam_mccullough
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I suspect the system is automatically disabling the onboard graphics if it finds a card in the AGP slot on boot. I'd be surprised if your chipset runs two independent AGP buses - the new card is probably just taking the onboard one's place on the bus. Check with your motherboard hardware and chipset documentation, and with the manufacturer if that doesn't sort it out.
Of course, for all I know you have a crazy multi-agp mobo and I'm wrong, but they were seriously expensive last time I went looking for one...
 
Old 02-01-2005, 08:04 PM   #5
daihard
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Quote:
Originally posted by adam_mccullough
I suspect the system is automatically disabling the onboard graphics if it finds a card in the AGP slot on boot. I'd be surprised if your chipset runs two independent AGP buses - the new card is probably just taking the onboard one's place on the bus. Check with your motherboard hardware and chipset documentation, and with the manufacturer if that doesn't sort it out.
Of course, for all I know you have a crazy multi-agp mobo and I'm wrong, but they were seriously expensive last time I went looking for one...
Thanks for the reply!

Ah, I see. I thought about that possibility after I tried in vain for a while, but I was afraid to know the truth...

I am going to try one of the PCI graphics cards that I have. Hopefully this will make a difference.

Dai
 
  


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