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ROG STRIX Z790-E GAMING WIFI I - problem with RAM and profile XMP

Pepe1990
Level 8

I can'r turn on XMP profile on my DDR 5....

I buy GSkill Trident 2x16GB 7200 Mhz and it's didint work. When i put profile XMP i have black screen and Bios i rebot...

Before i have Lexar Ares 7200 mhz and still dont work that's why i change for a Gskill witch is prefer for this motherboard. 

AND STILL DONT WORK.....

 

Can someone help me?

 

My Compyuter:
Intel I9 4900KF 

Geforce 4090 Asus TUf

1200 BeQuiet 

2x2TB Disk Kingston KC 3000

 

 

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1 ACCEPTED SOLUTION

Accepted Solutions

Now it's ok. its working on 7200 mHZ.... i Put in wrong slot DDR i need put in  2 and 4 for good working. But i have on 1 nad 3..... that is 2 pair slot so first is 2 and 4...

Thanks for help.

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10 REPLIES 10

Silent_Scone
Super Moderator

Hello @Pepe1990 

Please state the memory kit part number to confirm it's present on the motherboard memory QVL.

XMP is overclocking and as such assurances cannot be made due to variance between parts when running the system out of specification. For more information see here: Memory Kits and Overclocking

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

Pepe1990
Level 8

I check motherboard memory QVL and chose this one: (F5-7200J3445G16GX2-TZ5RS)    - G.Skill Trident Z5 RGB, DDR5, 32 GB, 7200MHz, CL34

It's all about my DDR can't go on normal Mhz with is 6400.... they workin at 6000 and this motherboard can take 7200 i just wanna have all power of ddr with is 6400

It's a long weekend in TW, so CS may be slower to reply.

The board can do 6400 just fine, the issue is CPU variance.

1. Select XMP II and retest

Tuning of associated memory rails may be needed;

AI Tweaker>
CPU System Agent

Advanced Memory Voltages:
Memory Controller Voltage
VDDQTX

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

It's still dont work. 

I change in XMP II and i got black screen and after that i need back do default options....20240916_162253.jpg

Someone know how i can fix this problem ?

Hi @Pepe1990 

Not all CPUs will achieve 7200MT easily on a 2 DIMM per channel board, or may require manual tuning. Have you tried lowering the DRAM frequency manually? Work from 6800MT backwards to see if the system will pass POST stress tests.

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

So you prefer start from 6800 mhz go down if dont work ?

That's correct, you can then work on timings if needed.

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

Now it's ok. its working on 7200 mHZ.... i Put in wrong slot DDR i need put in  2 and 4 for good working. But i have on 1 nad 3..... that is 2 pair slot so first is 2 and 4...

Thanks for help.