Gigabyte Aorus Elite - Wont boot with XMP

Conanius · 3 Feb 2021 at 12:51

Weird issue.

I've got some new ram. Patriot 4000mhz CL19. XMP Profile etc

Setup is
- 5800X - that will do IF at 2000
- Gigabyte Aorus Elite with latest bios
- Decent PSU (Corsair HX1000)
- 4x8GB of Patriot 4000Mhz

I can't however, get the box to boot with all 4 sticks in. 2 Sticks works fine.

Set bios to defaults, enable either of the XMP profiles (4000 or 3866) - nothing, just does the 'on/off' attempts to start and goes back to bios defaults.

I've tried with IF set to Auto/1800/2000, makes no difference.

I must be missing something obvious here, why can't I get it to boot?

Skilid · 3 Feb 2021 at 13:06

Have you tried all sticks individually to make sur eyou don't have a duff stick?

orbitalwalsh · 3 Feb 2021 at 13:46

4 sticks still puts a lot of pressure on IMC . APU can handle 5000hz on two sticks but 3600hz max at 4 sticks etc. then you also have PCB layers of the board , which i think are 6. records used on ITX boards due to 2 dimm slot of 10 layered PCB.

try default 2133hz with all four sticks, after that 3200hz and work up

Conanius · 3 Feb 2021 at 14:11

Skilid said:
Have you tried all sticks individually to make sur eyou don't have a duff stick?

Yes, and another 4x8GB memory kit

orbitalwalsh said:
4 sticks still puts a lot of pressure on IMC . APU can handle 5000hz on two sticks but 3600hz max at 4 sticks etc. then you also have PCB layers of the board , which i think are 6. records used on ITX boards due to 2 dimm slot of 10 layered PCB.

try default 2133hz with all four sticks, after that 3200hz and work up

So you're suggesting my mobo isn't up to it? I'm confused why I can't even run XMP at 4000 with IF running at 1800

orbitalwalsh · 3 Feb 2021 at 14:32

if you want to run 4 sticks as close to 4000hz , you'll want to be using Ryzen Ram calculator using Zen 2 as the basis

timings will need to be tweaked etc

IF at 1800 is 3600hz for 1:1

Joxeon · 3 Feb 2021 at 14:36

Conanius said:
5800X - that will do IF at 2000

Are you getting any WHEA errors in event viewer at that speed?.

4000 MHz on 4 sticks is very hard to do on ryzen.

Conanius · 3 Feb 2021 at 14:40

Joxeon said:
Are you getting any WHEA errors in event viewer at that speed?.

4000 MHz on 4 sticks is very hard to do on ryzen.

not that I can see

Joxeon · 3 Feb 2021 at 14:46

From what I can see from the QVL no memory above 3866 is supported with 4 dimms.

https://download.gigabyte.com/FileList/Memory/mb_memory_x570-aorus-elite_vermeer.pdf

Conanius · 3 Feb 2021 at 15:25

In at 1900FCLK and 3800 RAM with 4 dimms. Will try to go higher later

Conanius · 3 Feb 2021 at 17:30

So I can't get *any* memory timing below 19, and I can't get any higher than 3800 even when increasing the sub timings - with 4 dimms.

What are my best options here? I want 32GB RAM.

Do I need to find 2x16GB Dual Ranked RAM - or - is there a motherboard that will do IF2000 & 4000MHZ at decent timings with 4 dimms?

mickyflinn · 3 Feb 2021 at 17:48

I would stick with what you have nothing wrong 3800mhz what's 200mhz gonna give you ? If your set on new ram then use the qvl list for the motherboard.

Was the patriot on the qvl list ?

Conanius · 3 Feb 2021 at 17:49

mickyflinn said:
I would stick with what you have nothing wrong 3800mhz what's 200mhz gonna give you ? If your set on new ram then use the qvl list for the motherboard.

Was the patriot on the qvl list ?

No, but surely its impossible to test every single type of RAM. I thought building PCs in 1998 had left me behind

Its interesting the motherboard simply wont go any higher is all.

Joxeon · 3 Feb 2021 at 17:50

Conanius said:
So I can't get *any* memory timing below 19, and I can't get any higher than 3800 even when increasing the sub timings - with 4 dimms.

What are my best options here? I want 32GB RAM.

Do I need to find 2x16GB Dual Ranked RAM - or - is there a motherboard that will do IF2000 & 4000MHZ at decent timings with 4 dimms?

Try messing with the PROC-ODT and see if you can get it to boot at 4000

Conanius · 3 Feb 2021 at 18:04

Joxeon said:
Try messing with the PROC-ODT and see if you can get it to boot at 4000

Can you be a bit more specific sorry?

Conanius · 3 Feb 2021 at 18:15

Conanius said:
Can you be a bit more specific sorry?

Edit, I've found these three useful links:

https://www.reddit.com/r/Amd/comments/63ripi/what_is_this_procodt_setting_under_dram_timing/
https://www.hisevilness.com/article...clocking-terminology-faq.html?showall=1&amp=1
https://www.tomshardware.com/news/amd-agesa-firmware-update-motherboard,34525.html

Update: None make a difference

Conanius · 3 Feb 2021 at 21:12

I am now convinced I must have something wrong somewhere.

From my motherboards QVL, it lists this Memory - 3800 G.SKILL 8GB 1Rx8 F4-3800C14Q-32GTZN SS Samsung 14-16-16-36

Certified to work with 4 dimms in use.

How come I can't post with 4 dimms at 3800 with timings any tighter than 20-19-19-39 ?

Joxeon · 3 Feb 2021 at 21:22

Try a bit more SOC voltage, up to 1.2 is safe though ideally you don't want to go that high.

Conanius · 3 Feb 2021 at 22:07

Joxeon said:
Try a bit more SOC voltage, up to 1.2 is safe though ideally you don't want to go that high.

No Joy. SOC at 1.2 and I can't go up a single step with IF&RAM (1933) or increase a single RAM subtiming

Thanks for helping !

orbitalwalsh · 4 Feb 2021 at 07:00

Conanius said:
No, but surely its impossible to test every single type of RAM. I thought building PCs in 1998 had left me behind

Its interesting the motherboard simply wont go any higher is all.

.it's more to do with design of mobo and 90% the memory controller on the CPU .

Even buying £1000 Aorus Xtreme , you'll be hard pushed and need the perfect CPU batch to matchzen 3 does have a better IMC then Zen2 but nothing on the APUnubits and they don't have chipper design

pp111 · 4 Feb 2021 at 14:12

I say this almost every day, lol. Your memory is guaranteed to work at that frequency and timing but your motherboard/cpu is not. You are just pushing the motherboard/cpu too far. The best thing to do is drop the frequency down until it works. Then you can advance the timing to get pretty much the same performance as you expected.