Triple Monitor on Dell using onboad and dedicated dual output PCI-E card
- From: ekononovich@xxxxxxxxx
- Date: 17 Aug 2006 19:25:03 -0700
I just got a Dell GX620. It has an onboard video card and a PCI-express
ATI card with dual monitor output. I currently have dual LCD monitor
setup running off the ATI card, however I'd like to add a third monitor
and run it off the onboard video card.
Here's the caveat: I enabled onboard video in BIOS and hooked up the
third monitor. The problem is when I try to boot with a monitor plugged
in to the onboard card, the system will not boot, displaying a message
something like 'your computer has a dedicated video card, and you have
a monitor plugged in to the onboard card. Please unplug the monitor and
plug it into the dedicated video card.' This message comes right after
POST. This message comes up even though I do have monitors plugged in
to the dedicated ATI card. I cannot even get into BIOS if I have a
monitor connected to the onboard card.
So I'm thinking this is a BIOS limitation, likely imposed on purpose by
Dell to prevent this type of setup (I guess they want you to get a quad
output dedicated card?).
An obvious solution would be to just stick another video card in the
computer, but unfortunatelly this is out of the question because this
is a work computer, and my boss will chop my head off if I open up the
case. Additionally, this solution would be less desirable since both
cards would share the same PCI-express bus, which would probably cause
performance degradation.
So I'm wondering if there may be some some kind of BIOS hack to avoid
this limitation, or any other workaround.
Any suggestions or tips are greatly appreciated.
Thanks,
Eugene
.
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