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manazirrifat
Journeyman III

7800X3D can't restart with EXPO turned on

Hello,

I have just upgraded my system to 7800X3D & Gigabyte X670E Aorus Pro X motherboard with 2 16GB kits of G.Skill Trident Z5 Neo RGB 16GB DDR5 5600Mhz Desktop RAM (F5-5600J3036D16GX2-TZ5NR). I was able to setup the build and all seem to be working fine. But whenever I try to restart the PC while the EXPO profile on, it takes long time to boot and after a long time the system boots with only 1 ram stick. The system does not recognize the other ram at all. The single stick runs at expo speed. However, if I shut down and power up the pc then everything works just fine. The issue does not happen if I shut down the PC and turn it back on, but 90% of the time I restart the system the same issue repeats. Specially restarting after PC was in full load.

 

I have installed the latest BIOS of the motherboard (F31), cleared CMOS, tried with Memory Context Restore Enabled, tried with Power down mode Enabled and Auto, putting the RAM speed, DRAM voltage and timings manually in the BIOS, setting SOC voltage to 1.2V & 1.25V, tried curve optimizer. Nothing seems to solve the issue permanently. Sometimes it restarts normally after applying the changes mention above but after few restarts the same issue repeats. Please share a way forward.

 

Also I am getting 42-50C idle temp and 88-89C full load temp with my Arctic Liquid Freezer III 360mm AIO. Is this normal?

 

My System:

Processor: AMD Ryzen 7 7800X3D

Motherboard: Gigabyte X670E Aorus Pro X

Motherboard BIOS: F31

RAM: 2X16GB G.Skill Trident Z5 Neo RGB 16GB DDR5 5600Mhz Desktop RAM (F5-5600J3036D16GX2-TZ5NR)

CPU Cooler: Arctic Liquid Freezer III 360mm AIO

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2 Replies
johnnyenglish
Big Boss

Hi,

 

Since that memory module appears listed on the QVL, it should work.

There are 2 EXPO profiles, try the other if you didn't. You may consider disabling (not enabling and not AUTO) Memory Context Restore for troubleshooting. Lowering to 5200 could also be a way to troubleshoot.

Cleaning the memory contacts can be a good idea as well as inspecting the slot for damage.

 

But in the end there maybe a possibility for RMA as you state that at least one stick runs at EXPO. I'm also not discarding slot damage at this time since I've seen it happen too.


Good Luck

The Englishman
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There is only 1 EXPO profile for the RAM. I also tried lowering the RAM speed to 4800. Still got the issue. I changed the RAM sticks also. Tried with a different set. Still got same results. 

I had sent the motherboard for RMA suspecting this as a motherboard issue. However they checked the mobo with a ryzen 7600 processor and corsair 5600 mt/s ram with Expo on. They could not recreate my issue. They said that it’s working fine and restart issue does not happen. Now I am confused about what to do. 

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