Dual monitor possible?

[SteVe Cook]

Brian McKee wrote:
> On 05/10/2007, SteVe Cook <yorvik.ubunto at googlemail.com> wrote:
>> Liam Proven wrote:
>>> In my experience, on a lot of machines, if you have what are called
>>> "integrated graphics" - that means, the graphic chip is built into the
>>> motherboard, not on a separate card - then there is circuitry in the
>>> motherboard logic which will automatically disable the onboard
>>> graphics when you insert a graphics card.
>>>
>>> It sounds to me like that's what's happening here. On such machines it
>>> is, as far as I know, *impossible* to use the integrated graphics
>>> /and/ an additional graphics card simultaneously.
>>> Sorry about that. It's a pain, but alas, multiple monitor support is a
>>> fairly new thing on the PC - it's less than a decade old as a
>>> mass-market thing. Macs, of course, have been doing it for twenty
>>> years.
>>>
>> I have two machines that run dual-head with integrated video and a PCI
>> card so it can be done with some machines.
> 
> Just out of curiosity - actually PCI cards?  or AGP?
> IIUC modern onboard video is AGP and you can only have on AGP device
> on a system.   If your cards are PCI then that would make sense....
> 
One machine has Intel 810 integrated graphics and an old, 1997, ATI rage 
PCI card and the other has nVidia integrated graphics and an equally old 
  SiS PCI card.

Steve