[SOLVED] RAM Forcing Safe Mode when applying XMP

[Dmorand]

I just got my hands on some 3200MHz CL16 G.Skill Trident Z Rgb and when I try to apply XMP Profile to it in BIOS it boots in safe mode. Computer boots fine when XMP is disabled and RAM is running at 2133MHz. I know my BIOS is not up to date but any suggestions to get it to work at rated speed? I also tried to bring it down to 3000MHz but still did not work.

To add: got BSOD memory management error on 2 other attempts to boot at 3200MHz

Specs:
Cpu: i5-8400
MOBO: asus prime z370-a 2
Gpu: gigabyte 1060 6gb
PSU: Evga 80+ bronze 600B
Cpu cooler: cooler master hyper 212

 

[Mooons]

Memory instability. The system is failing to pass POST stress tests, resulting in the next POST reverting to safe mode. Sometimes it's necessary to tune things manually.

https://forums.tomshardware.com/faq...y-ram-and-xmp-profile-configurations.3398926/

 

[Nemesia]

Have you tried 2933 and 2666MHz?

 

[Dmorand]

Have you tried 2933 and 2666MHz?

I did try 2933 that did not work, haven't tried 2666 but will give it a shot after work tomorrow!

 

[Dmorand]

Memory instability. The system is failing to pass POST stress tests, resulting in the next POST reverting to safe mode. Sometimes it's necessary to tune things manually.

https://forums.tomshardware.com/faq...y-ram-and-xmp-profile-configurations.3398926/

Thanks for the reply, I tried to tune it manually by bumping up the ram voltage to 1.4V that also did not work. I will read through the link you provided amd see what info I can get!

 

[Mooons]

Try a profile with 2666MHz first and then see if you can get any stability with manual configs.

 

[Karadjgne]

Between the stock speeds of the memory controller on the cpu, the added voltage necessary for the RGB and the higher speed ram it looks like you are getting ram instability.

I'd suggest you manually add to the dram voltage, if it's 1.35v at xmp settings, bump it to 1.355v or 1.36v. If that doesn't work and you end up at 1.4v, back the voltage back to 1.355v and add 0.05v to VCCIO and VCCSA which boosts memory controller voltages.

If you look at the motherboard stats, it lists 3200MHz as (OC). Normally this is associated as an overclock on the ram speeds from the default 2133MHz, but can also mean the cpu requires an overclock too to handle the higher speed demands.

 

[Dmorand]

Between the stock speeds of the memory controller on the cpu, the added voltage necessary for the RGB and the higher speed ram it looks like you are getting ram instability.

I'd suggest you manually add to the dram voltage, if it's 1.35v at xmp settings, bump it to 1.355v or 1.36v. If that doesn't work and you end up at 1.4v, back the voltage back to 1.355v and add 0.05v to VCCIO and VCCSA which boosts memory controller voltages.

If you look at the motherboard stats, it lists 3200MHz as (OC). Normally this is associated as an overclock on the ram speeds from the default 2133MHz, but can also mean the cpu requires an overclock too to handle the higher speed demands.

Thanks for the reply, I will test this out later today after work and get back to you on the results. I was unsure of what to bump the VCCIO and VCCSA to so that is very helpful!

 

[Karadjgne]

Most say that max value for vccio/vccsa should not exceed 1.25v. Stock value is 0.9v. So bumps are tiny! 0.91 etc.

Even with a weak controller you should be able to get stable with 1.10-1.14 ish.

It's quite common when using high speed or high density ram. When you overclock a cpu, the controller gets bumped too, hand in hand operation, but with you using that ram on a slower stock speed cpu, it's like the controller doesn't have the 'umph' to get the ball rolling, so you supply a little added push.

 

[Dmorand]

Most say that max value for vccio/vccsa should not exceed 1.25v. Stock value is 0.9v. So bumps are tiny! 0.91 etc.

Even with a weak controller you should be able to get stable with 1.10-1.14 ish.

It's quite common when using high speed or high density ram. When you overclock a cpu, the controller gets bumped too, hand in hand operation, but with you using that ram on a slower stock speed cpu, it's like the controller doesn't have the 'umph' to get the ball rolling, so you supply a little added push.

I am going to try this out now, do you suggest I just put the to VCC voltages around the 1.1V level and see what happens?

 

[Dmorand]

Try a profile with 2666MHz first and then see if you can get any stability with manual configs.

I just set frq to 2666 and bumped VCCIO to 1.16 and VCCSA to 1.1V and it booted fine so that is a good sign.

 

[Dmorand]

I am going to try this out now, do you suggest I just put the to VCC voltages around the 1.1V level and see what happens?

Failed to post and went to Safe mode boot trying both 3200 and 2933 using VCCIO at 1.16V, VCCSA at 1.1V and RAM voltage at 1.36V.

 

[Zerk2012]

Your probably going to have to stick with 2666 because of the memory controller but you could try to manually tighten the timings.

 

[Dmorand]

Your probably going to have to stick with 2666 because of the memory controller but you could try to manually tighten the timings.

Got it to boot at 2800 so I left it there!

 

[Zerk2012]

Got it to boot at 2800 so I left it there!

Good enough Intel don't get a lot of boost from memory speed anyhow like AMD does.

 

[Karadjgne]

Try vccsa at 1.14v, ram at 1.37v