How do I find out if the MSI GTX 970 Gaming G4 has a UEFI or Legacy OPROM?

PeterZ640

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Dec 26, 2015
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Other than wait for the 22nd Century for MSI to reply.
Is there a way I can check?

I just need to know what is the best setting to adopt in the bios. Do I set it as Legacy or EFI in the PCIe card slot area under I/O

Out of interest is there a difference?

It works on Legacy.
I would normally just try it but I made some setting changes on an earlier SM X10 SRA -O MB Bios and it gave a screen error - resulting being unable to see the 4K HP screen. er as there is no onboard graphics it meant I had to reset the CMOS to default back to be able to change or even see the screen - sure you see my reasons for asking