B650 Tomahawk WiFi - Yellow DRAM light just on reboot

ke154b02d9

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Feb 12, 2024
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Hello,

I have the following system:

7800X3D
B650 Tomahawk WiFi
Artic Liquid Freezer II 360
2x16Gb Corsair Vengeance DDR5 6000mhz
Corsair 1000x shift
PowerColor 7900xtx hellhound
Kingston 2Tb 4.0 m2
Corsair 5000d airflow

I’m getting issues with the Yellow DRAM light coming on during boot and every time on a restart. If I power down and restart I got it to install windows 10 but every time there was a restart it was back to the Yellow light and needed to hold the power button to power down and then restart.
Ive tried the DDR5 individually in all the different slots and the only way I could progress was with one of the DDR5 in slot 2.
I'm on the latest non-BETA BIOS and I’m getting a new pair of the DDR5 sent to me to try this week but wondering if there was anything else I could test?

On searching the issue online I have seen a number of people with the same issue and requiring a Motherboard RMA to resolve?

The system is all brand new and only booted this weekend as I was waiting on a GPU (didn't realise the 7800X3D had a built in GPU)
 
I have a hard time believing that the RAM modules would be the problem, but sure, you can run a memory test with Memtest86 Free: Launch the included ImageUSB program to prepare a USB drive with it, then boot from that drive (press F11 after turning on the PC for the boot menu). You can even test each module individually in slot A2. But often times with these problems on AM5, it can be a BIOS problem, and then you can replace the RAM a dozen times with the same result. It's just an immature platform when it comes to these types of issues. Similarly, if it's a BIOS problem, replacing the board won't help. So i would open a ticket with MSI about it, see what they have to say.

(didn't realise the 7800X3D had a built in GPU)

Yes, they all do, except the ones ending in -F (for now, that's only the Ryzen 5 7500F). So, they adopted the Intel naming scheme for that, same there (13700KF for example).
 
I have a hard time believing that the RAM modules would be the problem, but sure, you can run a memory test with Memtest86 Free: Launch the included ImageUSB program to prepare a USB drive with it, then boot from that drive (press F11 after turning on the PC for the boot menu). You can even test each module individually in slot A2. But often times with these problems on AM5, it can be a BIOS problem, and then you can replace the RAM a dozen times with the same result. It's just an immature platform when it comes to these types of issues. Similarly, if it's a BIOS problem, replacing the board won't help. So i would open a ticket with MSI about it, see what they have to say.



Yes, they all do, except the ones ending in -F (for now, that's only the Ryzen 5 7500F). So, they adopted the Intel naming scheme for that, same there (13700KF for example).
Thank you for the reply, very much appreciated. I will wait for the replacement RAM to arrive and see if I get the same issue and if so raise a ticket with support.
 
Just wondering if there is a compatibility issue with the RAM

It’s Corsair CMK32GX5M2D6000Z36
Wondering if I should try a different brand?
 
Replacing things might not help if it's a BIOS issue. So first i would try everything possible without replacing anything, even certain BIOS settings could help.
And i noticed you said you are on the "latest non-beta BIOS", so with this kind of issue, you should definitely try the latest beta.
 
Replacing things might not help if it's a BIOS issue. So first i would try everything possible without replacing anything, even certain BIOS settings could help.
And i noticed you said you are on the "latest non-beta BIOS", so with this kind of issue, you should definitely try the latest beta.

Ok thanks, I’ll try the latest Beta BIOS as well then.

I’ve tried the EXPO on and off. Set the speed to 2400, 3000, 4800, 6000 MHz All with the same issue

It seems so strange to me that it runs fine from a boot and only hits the Yellow light on a reboot or BIOS restart?
 
Yes, like i said, with an MSI AM5 board, this is not uncommon, you can find this elsewhere on the forum too. These are some of the things you have to put up with as an early adopter of a new AMD socket. AM4 at the beginning was a catastrophy from what i heard, and it got better over the years. AM5, well, if you count the X3D CPUs blowing up in the beginning, i think that was also a bit of a catastrophy moment. And it still has its recurring issues.
 
Quick update….

I purchased a different model of Corsair RAM

CMH32GX5M2B6000Z30K​

And it seems to be working fine now, with both sticks in and I’ve restarted a number of times without issue!

Thank you everyone for the help
 
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