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B650E + 4090, stuck at 1x link after cold boot
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Coach1644 View Drop Down
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    Posted: 12 Jun 2024 at 4:59am
Ok, if i turn my computer off with windows shutdown. When i come back to it, the PCI LINK WIDTH is stuck at 1x. If i reboot it's 16x.


This is with all the bios after revision 1.29BETA.
All previous beta is alright. Cold boot at 16x no problems.

After that bios all are doing this

Hardware : Asrock PG Lightning Wifi B650E, 32 GIG 6000mhz, CL30, 7950x3d, Gigabytes Gaming OC 4090

Image of CPU Z after cold boot :

https://imgur.com/a/EKlcxka
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Coach1644 View Drop Down
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Points: 110 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coach1644 Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jun 2024 at 5:07am
i wanted to add that is has the affect of limiting the wattage in game at 250W ish, i get low fps because of this link speed.

I can reboot, but it's annoying ;(
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Optane View Drop Down
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Points: 15 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Optane Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2024 at 7:30am
I've got a B650E Taichi and it has the exact same issue.

Hardware: 7950X3D, 32GB-6000mhz, 4080 SUPER
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M440 View Drop Down
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Points: 2860 		Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2024 at 3:56pm
tried wiping everything with DDU reinstalling the GPU drivers?
asrock b650m/hdv.m2, ryzen 7700x@85watt
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Coach1644 View Drop Down
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Yup the only thing that fixes it is flashing bios with âgesa 1.0.0.7c or prior to this.

It's definitely a bios issue because I can 100% replicate this
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M440 View Drop Down
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Points: 2860 		Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2024 at 11:15pm
you can replicate this in linux? could you please send logs
asrock b650m/hdv.m2, ryzen 7700x@85watt
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Coach1644 View Drop Down
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I don't have linux installed, what can i do to help?
I'm on Windows 11 with latest update.
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Coach1644 View Drop Down
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Points: 110 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coach1644 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2024 at 11:51pm
Here what i did 3 weeks ago.

I was on original FW V1.28, updated to 3.01

Saw that i had poor performance when cold booting from windows shutdown, game FPS was low and power usage from GPU was lower (about 250W max), more stutter.
Confirmed that each time PCI WIDTH Speed was 1x with CPU-Z
Upon Windows reboot, PCI WIDTH speed was 16x

Flashed back FW1,28

No more problem PCI WIDTH always 16x (shutdown from windows more than 10 times)

Tried 2.02, same behaviour from cold 1X
Tried 2.08 and 2.10 same behaviour from cold 1x

Reflashed to 1.28, fixed always 16x ok
Tried 1.26BETA Always 16x ok
Reflashed to 1.28, always 16x ok
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Dervichter View Drop Down
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Points: 45 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dervichter Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2024 at 3:43am
Hi same problem here but with my B650E Taichi Lite 7950x3d and 4090 ROG Strix OC.

Today i saw that i'm at x1 with GPU-Z.

I try to move my NVMe to another place.
After that i came back to x16.

After 1 reboot my GPU came back to x1.

I try to lower the BIOS with 1.26, after disconnect/reconnect my GPU my first boot was in x16. I reboot after drivers install (thunderbolt) and x1 again...

What can i do?
/
RMA? I don't know if it's my GPU or my MB :/
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Coach1644 View Drop Down
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Points: 110 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Coach1644 Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2024 at 3:56am
No you have to install bios with agesa 1.0.0.7c and older it's the only fix so far. Otherwise reboot the system and it comes back
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