[REQUEST] ASUS P5G41T-M LX Bios Mod Request

[osmnszn]

Hello all, I have an Asus P5G41T -M LX motherboard and a Sapphire HD 6780 1GB graphics card. The graphics card is working on my other motherboard (MSI G33M) but whenever i try it on my P5G41T there is no display. I tried my RX 570 on P5G41T and its working. I guess this is a some kind of compatibility issue (pcie 2.1 / pcie 1.1). Is there any solution via bios modding etc. Thanks in advice.G41T-M LX

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P5G41T-M