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Disable specific core on AM4 B450M |
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kleech 
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Joined: 08 May 2021 Status: Offline Points: 140 |
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 Topic: Disable specific core on AM4 B450MPosted: 08 May 2021 at 5:22am |
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Hello.
I have ASRock B450M Pro4-f motherboard with Ryzen 9 3900x. This CPU has 5th core malfunctioning. It's able to boot OS if i disable this specific core in linux kernel options. I want to use Windows, in which same is tricky, if possible at all. Is there any way to lock or disable specific CPU core or CCX in BIOS/UEFI in this motherboard? |
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datonyb
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Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3154 |
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Posted: 11 May 2021 at 11:27pm |
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should be in your user manual
or you could install ryzen master to disable ccx |
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ThreeDee
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Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396 |
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Posted: 14 May 2021 at 4:59pm |
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|Ryzen 5 5900|ASRock X570 Taichi-BIOS 4.60|2x16GB HyperX Predator RGB 3200@3600 1:1 IF|ASRock RX 6700XT|2 x PCIe 4.0 M.2 Drives for OS & Games|850 WTT Seasonic 80+ Titanium PSU|Noctua NH-D15|
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kleech
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Joined: 08 May 2021 Status: Offline Points: 140 |
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Posted: 21 May 2021 at 7:47pm |
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Thank you for the replies, both were very helpful.
Indeed, in the manual there should be Advanced->AMD CBS->Zen common options->Downcore control. But on my system there is no "Zen common options" for some reason, so can't boot windows, so can't use ryzen master...
I think this is my option, now waiting for the answer from RMA team. |
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datonyb wrote: