B650E-i will not resume from sleep mode with OC memory

[goldenJ]

HI All- About a year ago I assembled a new system with the following specs:

• 7800X3D
• Asus B650E-i (BIOS v3278)
• 64GB RAM - 2x Corsair CMK64GX5M2B5600C40
• EVGA GTX 1080ti
• Corsair SF750 PSU

As the title says, I can't consistently resume from sleep mode (S3 Power State) in Windows 11 without disabling RAM OC. I've tried all OC options including DOCP1, DOCP2, and DOCP Tweaked in the BIOS. I've not changed any other BIOS settings aside from enabling one of the memory OC profiles in the BIOS. 

With any OC option enabled, the system will fail to resume when I tap a key on the keyboard or click the mouse or push the power button; the GPU, PSU and CPU fans will spin up, but the power light will keep flashing as if it's still in sleep mode and the screen never turns on. Fully shutting the system down and cold booting (S5 to S0 Power State) never has any problems with an enabled RAM OC and it's never crashed after boot. I've run the Windows 11 memory test and Prime95 for several hours with its RAM test, and the system is completely stable once booted from cold and no memory errors detected. 

With each BIOS release for this board, I've updated and tested again with the hope that this is fixed, but it still fails to resume properly about 75% of the time when I resume from standby. 

[Silent_Scone]

Hi @goldenJ 

Prime 95 and Windows memory test aren't the most methodical ways of checking for memory instability; depending on where the instability lies, these tests may not be sufficient. Failure to resume from sleep can often indicate that tREFi/tRFC is too aggressive. You can try relaxing the refresh interval to see if this helps, as well as increase VDD/VDDQ voltage (20-40mV)

For memory stressing, I'd recommend Karhu Ram test or HCI Memtest Pro.There's also Google Stress App Test or Test Mem 5.

[goldenJ]

@Silent_Scone I appreciate the thoughtful response! I ran 2 passes of memtest5 on the "X3D" profile and no errors found. I've gone into the BIOS and overrode the "Auto" setting on "Refresh Interval" (Looks like that is Asus' description for tREFi) just slightly from 65530 to 65500 and I'll see if this improves the situation. 

[goldenJ]

Update: I've lowered the refresh cycle timings very slightly by 100, and now about 50% of the time the system will resume from S3 power state normally. The other 50% of the time the system power light will become solid instead of flashing but the "red" motherboard power light will remain illuminated and I won't get any display output until I kill the power and cold-boot (S5 to S0 Power State). I'll try reducing the refresh cycle timings further, and hopefully a BIOS update helps further stabilize things. 

On a side note, I saw in the news that Corsair was going through a class action lawsuit pertaining to advertised RAM timings vs "OC" RAM profiles on RAM sold between 2018 to 2025. Fun! My RAM kit is definitely one of those affected, where it runs at 4800 by default, and I don't get the advertised 5600 unless I enable the OC profile. 

[goldenJ]

I've updated to the latest BIOS v3287, and went as far as replacing my RAM with higher quality DIMMs with the following specs: 

Capacity(GB) : 32
Manufacturer : G Skill Intl
Speed : 4800
PartNumber : F5-6000J2636H32G
ConfiguredClockSpeed : 6000

Still same issue! I will try to wake the system from standby (S3 power state) and the red motherboard light will remain on while the CPU and GPU fans spin up, but no image on screen until I forcefully power-off and boot from cold  (S5 to S0 Power State). I've done all the other customary steps such as making sure all Windows Updates are applied (win 11) and latest GPU drivers are installed. 

[goldenJ]

I am still struggling with this. I will try getting in touch with ASUS support. I cannot use standby/S3 reliably and have to fully shut down my computer each time. I've never had this issue in any computer I've built over the last 20 years, and it's a bummer that it's not being addressed!

Looking at posts on the net, it looks like I'm not alone- people on reddit are also complaining about a suspend/resume bug pertaining to AEGSA versions. But the latest BIOS revisions aren't helping. Here's a post on this forum as well: https://rog-forum.asus.com/t5/gaming-motherboards/b850-f-crashes-on-sleep/td-p/1092805  

I'll hold onto hope that ASUS sees this bug and patches it in a subsequent firmware revision. 

[Silent_Scone]

@goldenJ, sadly, if the issue doesn't occur at stock, then it's related to overclocking instability, and support will only do so much. Overclocking cannot be assured due to the variance between parts. The fact that increasing the refresh interval helped indicates that the memory simply isn't stable enough. 

Have you tried reseating the CPU at any point, or are you using a third party contact frame? An improper mount has the potential to greatly impact memory stability range.