The key thing for me is to establish whether I should be able to run two different models of cards alongside each other ie nvidia quadro 'xxx' and an nvidia GeForce 'yyy'The only reason you "need" the same cards is for things like SLI, which basically combines the processing of the cards to one output, that's not for multiple monitors etc. Other people online do suggest that a simple addition should suffice and I have no plans to do any 'fancy' gaming. Thanks for that and whilst I understand exactly what you are suggesting, given I have a pretty reasonable card already and spare slots do I really need to 'scrap' what I have and buy what is more likely to be quite an expensive new card? The WDDM model for Windows Vista required that all display adapters use the same driver. In Windows 7, a system can have a heterogeneous multi-adapter configuration, with multiple GPUs that require different WDDM drivers. Windows 7 supports heterogeneous multi-adapter configurations, whereas Windows Vista did not. A common example is the use of graphics adapters from two different manufacturers, each of which requires a different graphics driver from the respective manufacturer. In a heterogeneous multi-adapter configuration, the PC has more than one graphics adapter and uses more than one graphics drivers. The key point is that all graphics adapters use the same graphics driver. The graphics adapters can all be on the same bus or they can be on different buses. The bus type-PCIe, Accelerated Graphics Port (AGP), or PCI-is irrelevant. Two different cards from the same graphics hardware vendor, such as a PCIe NVIDIA GeForce 7600 in an x16 slot and a PCIe NVIDIA GeForce 6600 in a second x16 slot.Two identical cards from the same graphics hardware vendor, such as two PCI Express (PCIe) ATI Radeon 圆00 cards, each in an x16 PCIe slot.In a homogeneous multi-adapter configuration, the PC has more than one graphics adapter but all adapters use the same graphics driver. Multi-GPU support falls into two broad categories: Windows 7 supports multiple GPUs that run simultaneously. As I mentioned I currently use VGA cables with a converter, if I switch to DVI leads am I likely to notice an improvement in quality? ![]() Is there anything I should bear in mind when purchasing the second card, other than what applications I plan to run? (FYI I am a very rare PC gamer (have a PS3 for that) so most use will be MS Office inc Outlook, web browser(s) and a few other graphically low-demanding programs.Ĥ. Online, people have spoken about SLI which means nothing to me, should I be concerned about this?ģ. Does my second card need to be the same brand as the first?Ģ. I have plenty of PCI-e slots so that is fine and I have done a bit of googling and now it seems it might be more complicated than I expected(?)ġ. ![]() What I now want to do is add a third monitor (initially an old 15 inch Dell that I have kicking around) so I will need to purchase another GPU. I have a graphics card (and for the life of me I cant remember what it is, I have an inkling it might be an FX4700? with 512MB) with two DVI outs and both are connected to 23 inch HD AOC widescreen monitors (using VGA/DVI convertors) and these run perfectly well. ![]() I currently run an HP XW6600 twin quad core with 16GB RAM and 2x 250GB drives. ![]() I haven't got precise spec of hardware here but will provide later if necessary. Hi guys, hopefully someone more experienced can help here?
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