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Discussion Starter · #1 ·
Can a few people with multiple gpus, asus mb and windows 8 enable ultra fast boot by disabling csm in the bios. (u will need a compatible vid card gtx 700 series or amd 7000 series)
be aware that your system might not boot and u will need to reset cmos.

if you disable csm and your system boot or fail to boot please report back.
 

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Discussion Starter · #3 ·
There isn't an option to enable ultra fast boot but disabling CSM will enable full efi mode which is the same as ultra fast boot.

What I'm trying to find out from this is if there is a bug in asus bios what cause the system to not boot if you have multiple gpu in your system and disable CSM. also did you install windows using GPT or MBR Format.

I have no problem disabling CSM on an asrock extreme 4 gen 3 and a gigabyte z77x-ud3h.
 
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