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A320M HDV R4.0 and 5600x

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=23457
Printed Date: 22 Dec 2024 at 10:45am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: A320M HDV R4.0 and 5600x
Posted By: enphynity
Subject: A320M HDV R4.0 and 5600x
Date Posted: 14 Apr 2022 at 10:19am
I have the A320M HDV R4.0 motherboard paired with the R5 5600x and 2x16gb Corsair Vengeance LPX ram.

After first installing the new CPU my PC would shut down when playing CPU intensive games. I repasted and tried numerous fixes found on other websites but was still getting the shut downs under heavy CPU load.

I eventually tested the RAM and came to find that removing one of the RAM sticks got rid of the crashes (albeit with the RAM only running at 2133mhz instead of 3200mhz). Turning on XMP would still cause crashes as would manually setting the RAM speed to 3200mhz (currently running at 2933mhz without issue). I tested both RAM sticks and the system runs fine with either one but not with both.

Is there some issue with this new BIOS and running RAM in dual channel mode? What voltage should I run the ram at for optimal stability?

Compatibility mode is currently on (was already on).



Replies:
Posted By: Xaltar
Date Posted: 14 Apr 2022 at 2:37pm
I suspect the 5600x is pushing the limits of that poor A320m board, it's VRMs are
likely getting pretty hot and the extra power needed to support 2 higher capacity
RAM modules is pushing it a bit too far.

I would try installing both modules then manually setting the voltage to 1.2v and
seeing how high you can push the frequency manually, even 2133 in dual channel will
be faster than 2933 in single channel. I suspect you should be able to manage
2666.See if that still causes crashing. If so, try positioning a fan to blow
onto the board around the VRM area and see if that helps.

I had a similar issue with an FM2+ setup some time back, I ended up buying some
self adhesive heatsinks (very small ones) and sticking them to the VRMs. That
helped tremendously. On some boards though this may not be possible, the components
can often be too cramped. The A320 chipset was not really designed for current
gen mid range CPUs, they pull a little more current than the severely limited
VRM on most boards that use it can support.

You can also try manually lowering the CPU voltage and underclocking a little.
You will get better performance slightly underclocked and undervolted (-0.05v to
-0.2v) than if you are hitting thermal limits and throttling anyway.

It's likely all thermally related.

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Posted By: voss749
Date Posted: 15 Apr 2022 at 12:24am
What are you using for a PSU?


Posted By: enphynity
Date Posted: 15 Apr 2022 at 2:04am
Thanks for the great reply! Would you also suggest keeping CPB off as well? I keep seeing posts saying to turn off PBO but have yet to find that option in the 7.10 BIOS.

Do you know if there is onboard sensors for the VRMs that could be monitored with a hardware monitoring app?


Posted By: enphynity
Date Posted: 15 Apr 2022 at 2:36am
The PSU is a Corsair RM850x


Posted By: enphynity
Date Posted: 15 Apr 2022 at 6:18am
I looked in the BIOS (7.10) but I don't see a setting for altering the CPU voltage. Is there a different way to do it that I'm not seeing?


Posted By: voss749
Date Posted: 15 Apr 2022 at 7:22am
What fan do you have on the CPU and are you using decent thermal paste on it?


Posted By: voss749
Date Posted: 15 Apr 2022 at 7:23am
Also check your cpu speed and voltage


Posted By: voss749
Date Posted: 15 Apr 2022 at 7:26am
Limit the cpu boost clock speed to 4.5 ghz and reduce voltage to 1.2 its under oc tweaker screen.


Posted By: enphynity
Date Posted: 15 Apr 2022 at 1:09pm
Could you possibly share a screenshot of where I change the voltage as I don't see anything under 'OC Tweaker' that references that specifically.


Posted By: Xaltar
Date Posted: 15 Apr 2022 at 5:50pm
You will have to take a good look through your BIOS, not just the OC tweaker
section. I don't have your board so I can't check for you. The UEFI isn't the
same from one board to the next so what I have on my boards won't match your
setup. Just go through page by page, item by item. A lot of settings are hidden
under sub sections. This is done to avoid inexperienced users accidentally
setting sensitive settings to harmful values. "AMD XXX" is likely what the
subsections will be titled.

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