Dell Optiplex XE2 Discrete GPU issue

Question

I have a Dell optiplex XE2 mini tower running win 10 enterprise 1903. System has i5-4570S, 16 GB DDR3 Ram, Corsair TX650M. I have currently modified the case by removing the hard drive cage and the motherboard can now fit bigger cards. I also have the latest Bios for my system (A26, 30/05/19) and the Bios mode is UEFI. I have also set the Bios video settings to auto, disabled secure boot and turned on legacy options. I am trying to run Nvidia Geforce GTX Titan 6 GB (maxwell) and I get a blank screen on my monitor. Titan GPU lights up and the GPU fan is running. Also, BIOS does not recognize the card i.e. shows empty in the pcie slot. Whenever I try to install NVIDIA drivers it says no hardware found. I also cannot flash the card as I get error saying 'No NVIDIA adapters found'. To sum it up the PC does not see the card at all for driviers to be installed or flashed. I have checked all connections multiple times.  I have tried a network card on the same pcie slot and BIOS detects it as a network card and there are no problems. I bought the card recently and all I know is that this card was flashed and used on a mac pro before. Is there anything I can do or is the card bricked ? Is this system too old to accomodate the original maxwell Titan ? My understanding was that mac flashed cards can be read by PCs but not the other way round. Any help/advice would be greatly appreciated.

speedstep · Answer

XE2 is not CLASS 2.3.1 UEFI its class 1 UEFI so its not working with newer NVIDIA card because the BIOS wont initialize the video AND the PCI-E Bus is 2.0 not 3.0.

So on many levels this system will not support newer card.

https://ark.intel.com/content/www/us/en/ark/products/75007/intel-q87-chipset.html

speedstep · Answer

Mac Flashed cards UEFI do not work in pc's. Cards up to 1080TI work fine but only when there is enough power.

Titan card requires EXTRA power even when used in a MAC pro with 900W power supply.

https://www.youtube.com/watch?v=qa9b0TkTsLM

djstaples1 · Answer

Many thanks for the reply. Does that mean I would have to switch my BIOS to legacy mode for the card to work if UEFI is an issue? Not sure, if this switching to legacy is possible. Also, I thought PCIE was backwards compatible.

djstaples1 · Answer

Is there anything i can do to make macfashed cards work on PC? If only pc would recognize it as a GPU then I could have re-flashed it. NVIDIA website says for a titan 6GB maxwell released in 2013, 600 Watts should be enough. I have got a 80 plus corsair TX650M so power supply should not be a issue.

Optiplex Desktops

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