I have a similar question open in another TA, but thought it might be worth generalising and asking here:
I have a computer with onboard graphics (SiS, something-or-other). There is no option to disable it in the BIOS, and I don't want to remove one of my DIMMs (I read that as one option to disable onboard graphics). Anyway, I'd prefer a dual-monitor set-up...
I tried one PCI card (Diamond Stealth Savage4), and it worked perfectly, and another one (PCI XFX FX5200) and got a mixture of "No Signal", "Frequency out of range" and blank screens on my monitor. Also when I had anything pushed over to the (blank) display of the FX5200 card Window's XP would crash.
I've since sent the card back as faulty, but am concerned that this problem may repeat with other card(s) (and that the card wasn't actually faulty in the first place).
Is there any reason that a PCI graphics card added in this situation should cause a problem? (all drivers up-to-date, latest BIOS versions, no IRQ conflicts/problems, Windows XP Pro OS).
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> SiS, that may be difficult. You can run Everest to identify what it is:
The chipset is actually SiS 661FX, and I'm not too keen on getting another (I'd rather have decent 3D performance - or as much as PCI can handle).
When you mention 'conflicts' - is that purely driver conflicts? I guess they are difficult to diagnose/solve if that is the case too?
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by: CallandorPosted on 2005-05-31 at 07:37:49ID: 14113577
The motherboard video should act like an AGP video card. Adding a PCI card usually will work, but it can have problems at the driver level when using two different brands. Using the same brand helps to avoid conflicts, such as nVidia with nVidia and ATI with AT, but if yours is SiS, that may be difficult. You can run Everest to identify what it is: http://www.lavalys.com/pro