We have a Lenovo M58e workstation and installed in it an ATI Firegl 7300 graphics card. The intention is to use both the onboard VGA output and the dual DVI outputs of the ATI card to drive three monitors with the Windows desktop stretched across all three.
This is for a medical implementation so we need two high resolution monitors and a separate Windows colour monitor to navigate the application. The O/S is Windows XP 32 bit SP 3.
There are four configurations for the Video Setup in the BIOS:
Automatic - The default setting. With this set, the PC detects the new graphics card and disables onboard VGA, so only the two high res monitors are displayed.
ISG - Internal System Graphics. With this set, it displays the colour monitor, but disables the ATI card, so only one monitor is displayed.
PEG - PCI-Express. Gives the same result as the 'Automatic'.
PCI - Obvious really. We have yet to obtain a PCI card to see what result this gives.
The next course of action we are going to try is to obtain a PCI graphics card (although they are as rare as hen's teeth these days) to see what that does.
If there is another course of action that we can try, that would be greatly appreciated.