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Maximus XI Formula memory wont go over 3400MHz

Pesari
Level 7

‎02-07-2019 12:42 PM - last edited on ‎03-06-2024 08:38 PM by Community Admin

Hi, any suggestion how to get my g.skill trident z rgb 2x8gb 4000MHz go more than 3400MHz?

I have tried xmp profiles, manually tweak timings and voltages. Anything over 3400MHz and my computer boots to safe mode and back to bios. Pc tries about 3-4 times, couple of seconds and then shut down and safe mode.

I did have same problem with my HyperX Predator memory 4000MHz. Anything over 3400MHz is no go.

I have lates bios. Motherboard supports those memory*

I have tried bios at default and then xmp and with oc, but nothing changes.
*
Pc specs.

I9-9900K
Evga RTX 2080 TI
Maximus XI Formula
G.Skill Trident Z RGB 2x8GB 4000MHz
Corsair RM1000x
2x500gb ssd
Custom loop*

Im out of ideas.*
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12 REPLIES 12

x-rated
Level 8

‎02-07-2019 01:02 PM

did you try bios 0602?
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Pesari
Level 7
In response to x-rated

‎02-07-2019 01:35 PM

No. Latest is 0805 i think? Any reason to try old bios?
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x-rated
Level 8

‎02-07-2019 01:52 PM

i was more successful with 0602
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Pesari
Level 7
In response to x-rated

‎02-07-2019 01:57 PM

Thanks i have to try that. Is it enough to download that version to usb and remove battery from motherboard and instal 0602 from usb?
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x-rated
Level 8

‎02-07-2019 02:19 PM

install it via ez flash as usually
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Pesari
Level 7
In response to x-rated

‎02-07-2019 10:56 PM

Changing bios didnt help. Anything else 
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Silent_Scone
Super Moderator

‎02-08-2019 07:45 AM

Can you state the model number of the kit, please?

2 DIMM kits on a 4 DIMM topology board won't overclock as well as having all slots populated.

Try a combination of the following:

1. Maximus Tweak Modes 1 & 2

2. XMP Profile 1 & 2

3. Tuning VCCSA and VCCIO voltages manually. for 4K try in the region of 1.2 and 1.35v
13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090
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Pesari
Level 7
In response to Silent_Scone

‎02-08-2019 08:16 AM

F4-4000c17d-16gtzr
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Pesari
Level 7
In response to Pesari

‎02-08-2019 08:23 AM

Did not know that only 2 dimms can be problem. I have had always 4 dimm slot mobo and used only 2 of them. But those times i did have only 3200MHz kits and different mobo.

Well i dont need more than 16gb memory and *another 355e for memory kit is not woth it.

I have tried with different slots and different voltages. And both xmp 1 and 2. Tweak mode 2 is something that i have not tried yet.

Is it possible to cause same problem if i put too much voltage for vccio or vccsa?*
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