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How do I make the 192GB Corsair Memory kit work on my Z790 Maximus Hero?

rene_bonvanie
Level 8

I bought the following kit based on the CPU/Memory configuration tool:

CORSAIR CMH192GX5M4B5200C38 4x 48GB

I got two sticks to work fine, but all tests I run with four sticks fail - including Memtest86 in the BIOS in step 8.

I upgraded to BIOS 1202, and that didn't change anything.

What BIOS parameters do I need to use to make this work? It is an officially approved configuration, after all! Why doesn't ASUS publish this alongside their approved memory?

ASUS ROG Z790 Maximus Hero / Intel 13900K / NVIDIA RTX 4090 FE / CORSAIR CMH192GX5M4B5200C38 4x 48GB
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1 ACCEPTED SOLUTION

Accepted Solutions

Silent_Scone
Super Moderator

Hello,

1) Does the system pass Memtest86+ at Optimised Defaults (No XMP)

2) If so, enable XMP II and see if this helps stability

3) Set CPU System Agent Voltage value between 1.30v - 1.35v

4) Go to Extreme Tweaker > Advanced Memory Voltages set Memory Controller Voltage to value between 1.35v - 1.4v

See if this aids stability. 4x48GB will need a reasonable IMC

Silent_Scone_0-1687208465778.png

 

13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090

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2 REPLIES 2

Silent_Scone
Super Moderator

Hello,

1) Does the system pass Memtest86+ at Optimised Defaults (No XMP)

2) If so, enable XMP II and see if this helps stability

3) Set CPU System Agent Voltage value between 1.30v - 1.35v

4) Go to Extreme Tweaker > Advanced Memory Voltages set Memory Controller Voltage to value between 1.35v - 1.4v

See if this aids stability. 4x48GB will need a reasonable IMC

Silent_Scone_0-1687208465778.png

 

13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090

Sorry, it took a few days, but after testing your proposed solution I found it to work well. I settled on setting the DDR Frequency to 4400 for this kit. Thank you so much for your advice.

ASUS ROG Z790 Maximus Hero / Intel 13900K / NVIDIA RTX 4090 FE / CORSAIR CMH192GX5M4B5200C38 4x 48GB