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AM4 BIOS info
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Zett View Drop Down
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Points: 79 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Zett Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jul 2021 at 12:34am
ZenTimings

VSOC 1,0938 V
CLDO VDDP 0,9474 V
VDDG IOD 0,9976 V
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pokuly View Drop Down
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Points: 235 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pokuly Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jul 2021 at 8:22am
Originally posted by Zett Zett wrote:


After loading the XMP memory profile and fine-tuning the memory, they work at 3733MHz. USB does not cause any problems.

Can you check with ZenTimings or alike where the voltages @3733 are for VSOC, CLDO VDDP, VDDG CCD and VDDG IOD?
I did set mine according to DRAM calculator but ASRock defaults here are much higher.
This is my idea for the cause of USB problems with cold boot. Too low voltages i used.
B550 Steel Legend / J5005-ITX
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Zett View Drop Down
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Points: 79 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Zett Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2021 at 4:21am
MB: X570 Steel Legend
BIOS version: beta L3.72
CPU: 3700X
RAM: 2 x 8GB DDR4-3600 Crucial/Micron BLE8G4D36BEEAK.M8FE1

ASRock writes:
[Beta] L3.72     2021/7/9
1. Update AMD AM4 AGESA Combo V2 PI 1.2.0.3 Patch B
2. Improve USB compatibility

In UEFI Advanced\AMD PBS\AMD Firmware Version
AGESA Version: ComboAM4v2PI 1.2.0.3a

Notes:
After loading the XMP memory profile and fine-tuning the memory, they work at 3733MHz. USB does not cause any problems.
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pokuly View Drop Down
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Points: 235 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pokuly Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jul 2021 at 6:40pm
Originally posted by ThreeDee ThreeDee wrote:


Have you tried running your RAM at default XMP profile and then see if you still have USB issues?

After 4 days running original XMP 3200 i didn't have a single USB detach. It still may come though.
So how is RAM overclocking influencing USB capabilities?
Is it a limit of the CPU, Chipset, RAM or bad BIOS code?
I really want to understand this but have no idea where to start.
For CPU there are changes in Fabric, SOC and VDDG voltages.
Can it be a critical RAM value or voltage?
I hope someone knows better than me.
B550 Steel Legend / J5005-ITX
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Khun_Doug View Drop Down
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Points: 1025 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Khun_Doug Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jul 2021 at 2:03am
Havw you tried to clear the BIOS and gave it reset to default values? And also set your memory to default, not XMP. You can do any tweaking after you have a stable sudtem.
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Hello, since I installed the beta bios of the ASRock b550 PG Velocita, I can't boot into Windows anymore without any problems. And if I get to the login screen, the PC just restarts after I logged in.

Is it possible to downgrade a bios or is there a new beta bios you can install?
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pokuly View Drop Down
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I may try but i have no stability problems at all anymore and i don't see a warning anywhere that says USB doesn't work correctly when the RAM is overclocked.

Edit:
On intel i had AVX offset in the BIOS. Any ideas how to handle multi core AVX sessions?
I have a flac encoder with AVX optimization and using 20 threads bangs at 90°C pretty fast using only 142W without additional PBO limits.
Apps like handbrake video encoding using AVX run around 80°C here.

This forum is only reachable for me a few hours a day here from germany. Am i alone with this?
B550 Steel Legend / J5005-ITX
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ThreeDee View Drop Down
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Points: 2396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ThreeDee Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2021 at 9:21am
Originally posted by pokuly pokuly wrote:

Originally posted by pokuly pokuly wrote:

Originally posted by pokuly pokuly wrote:


Board: B550 Steel Legend
BIOS version: 2.00
CPU: 5900x
RAM: 2x16GB G.Skill B-Die@3733

My generic Fujitsu Siemens USB keyboard already was 2 times not detected on bootup since the 2.00 release. I have to shutdown and start again. A reboot is not enough.
Ryzen Master still shows the wrong value for VDDCR if set in UEFI -> OC Tweaker\External Voltage Settings


I quote myself here because i have to add my USB MX-518 mouse hung itself 2 times since the 2.00 update. It stutters and shortly after losses the key associations done in the gaming software.
It is 2021 and USB simply being broken in a mainstream product is a bad joke.
I regret switching to this AMD crap. I have no idea how i will be able to sell this board with this build in errors.

BETA L2.04 took 3 days before the keyboard was not detected on a cold boot.
I think this happens more often when a device is also connected on the front USB3 onboard connector.


Have you tried running your RAM at default XMP profile and then see if you still have USB issues?
|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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pokuly View Drop Down
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Points: 235 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pokuly Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2021 at 9:00am
Originally posted by pokuly pokuly wrote:

Originally posted by pokuly pokuly wrote:


Board: B550 Steel Legend
BIOS version: 2.00
CPU: 5900x
RAM: 2x16GB G.Skill B-Die@3733

My generic Fujitsu Siemens USB keyboard already was 2 times not detected on bootup since the 2.00 release. I have to shutdown and start again. A reboot is not enough.
Ryzen Master still shows the wrong value for VDDCR if set in UEFI -> OC Tweaker\External Voltage Settings


I quote myself here because i have to add my USB MX-518 mouse hung itself 2 times since the 2.00 update. It stutters and shortly after losses the key associations done in the gaming software.
It is 2021 and USB simply being broken in a mainstream product is a bad joke.
I regret switching to this AMD crap. I have no idea how i will be able to sell this board with this build in errors.

BETA L2.04 took 3 days before the keyboard was not detected on a cold boot.
I think this happens more often when a device is also connected on the front USB3 onboard connector.
B550 Steel Legend / J5005-ITX
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Animeleptic View Drop Down
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Mobo: X570 Aqua
CPU: 3950x
RAM: 4 x 8GB G,Skill Trident Z Royal F4-3600C14Q-32GTRSB
BIOS: 3.50

Its been almost a week now running at @3600 profile specs not random reboots as was experienced with 3.40. I have not tried to OC yet since I am getting the same performance @3600 on 3.50v as I was on @3800 on 3.30v

Also worth mentioning, I am able to to OC the 3950x to 4.4Ghz at 1.25v after vdroop whereas on 3.30v I needed 1.30v-1.32v after vdroop to run 4.4ghz on LLC, R23, tested.


Originally posted by Animeleptic Animeleptic wrote:

Mobo: X570 Aqua
CPU: 3950x
RAM: 4 x 8GB G,Skill Trident Z Royal F4-3600C14Q-32GTRSB
BIOS: 3.40


Unable to run basic 14-16-16-32-48-1T @3800 1:1:1 ratio as previously on 1.71 and 3.30 BIOS versions that are able run 14-15-12-26-38-1T @3800 1:1:1 with even extreme sub-timings. After signing into the Windows account, even during idle, would get random black screens with reboots.

Had to low speed down to 3600mhz 1:1:1
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