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**SOLVED** Can't get more than 4 gpus on an ASUS Prime B460-Plus
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**SOLVED** Can't get more than 4 gpus on an ASUS Prime B460-Plus
#5
For anyone who needs help with this motherboard I finally solved the issue, info taken from reddit below:

you must downgrade BIOS to version 1403

you must use a 1 to 4 PCIe splitters in both of the x16 slots

Right now I have 5 gpus mining perfectly on windows. Other things you might wanna know is I'm using a m.2 SSD which I was worried about because I figured it would be taking up PCIe resources but nope it's not a problem. I didn't do much in the BIOS but here's what I did change

disabled CSM

Turned off anything not essential SATA ports, HD audio, LED, etc

made sure 4g decoding was enabled

I also didn't notice any difference when I changed the PCIe gen speeds so I just left it on auto. My thoughts on this board would still be to avoid it unless you already have two of those 1 to 4 PCIe splitters. But considering I got in on sale for $80 and it's finally working smoothly I'm pretty happy with it. Hope this helps someone
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RE: Can't get more than 4 gpus on an ASUS Prime B460-Plus - by JeffBezos69 - 10-13-2021, 08:10 PM

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