PC Does not Post with DRAM Light Lit up.

[Exyio]

Problem: When I have XMP enabled in my BIOS, after about a day (give or take) my PC will shut down and then I cannot post. When it attempts to post, it will get stuck on DRAM with a solid red light.

 

Temp Resolution: To fix it temporarily, I have to take all RAM modules out except for the A2 Slot. No other slots will allow it to boot. Once it post I can finally get into the BIOS and then turn off XMP. With XMP I can put in all my RAM modules back in and then boot just fine. 

 

What I've done already: 

• Reset BIOS and CMOS battery
• Updated BIOS to latest version: f22b
• Attempted to use different slots and companations of RAM modules. (It does not seem to be the ram causing issue.)
• Upgraded Powersupply (I had a 1000W powersupply I was able to put into my PC, this should rule out any power issues)

Any ideas would be great, I have heard this is a common issue on Gigabyte motherboards so maybe the solution is to get a new MB.

 

System Specs:

CPU: Ryzen 9 7900X

Motherboard: Gigabyte B650 GAMING X AX | Bios version f22b

Memory: 64 GB 16x4 | G.SKILL Trident Z5 RGB Series (Intel XMP 3.0) DDR5 RAM 32GB (2x16GB) 6000MT/s CL36-36-36-96 1.35V Desktop Computer Memory UDIMM - Matte Black (F5-6000J3636F16GA2-TZ5RK)

GPU: RTX 2070

[asheenlevrai]

This sounds like a bad MB to me. Did you contact Gigabyte?

[Exyio]

1 minute ago, asheenlevrai said:

This sounds like a bad MB to me. Did you contact Gigabyte?

I'm in the middle of conversations with them, but I'm not making headway with their support yet. That is why I am here seeing 3rd party support at this point. 

[MadAnt250]

Oh no! I'm starting to see a pattern.

[RONOTHAN##]

1 hour ago, Exyio said:

16x4

Well there's your problem. 4x16GB on DDR5 is very hit or miss whether it works or not depending on the BIOS revision, sticks themselves, and what settings you've changed in the BIOS. Remove two sticks and your problems should go away. 

[MadAnt250]

23 minutes ago, RONOTHAN## said:

4x16GB on DDR5 is very hit or miss

It seems quite a bit of people are having that issue. The more people know, the better.

[asheenlevrai]

He mentioned he experienced the same problems with other combinations of RAM modules (including 2x16 according to the sys specs). However, it's true that running 4 sticks of DDR5 at full speed is often too demanding on the memory controller. @Exyio you may want to try to manually set a speed value for your RAM that would be somewhere between default JEDEC specs and XMP. Find the highest speed that doesn't mess up stability.

[Exyio]

10 hours ago, asheenlevrai said:

He mentioned he experienced the same problems with other combinations of RAM modules (including 2x16 according to the sys specs). However, it's true that running 4 sticks of DDR5 at full speed is often too demanding on the memory controller. @Exyio you may want to try to manually set a speed value for your RAM that would be somewhere between default JEDEC specs and XMP. Find the highest speed that doesn't mess up stability.

Yep, that is what Gigabyte said. Seems to be overdoing the memory controller. So might mess with speeds to see what works.