Asus ROG x570 Crosshair VIII Hero (Wifi) RAM Speed Issue

[siemenscs]

Hello,

I have been having issues with my RAM speed. The current speed is running at 3466 MHz, where as my hardware speed is 3600MHz. When I set the RAM speed to anything over 3466 MHZ I cannot get post and the Motherboard displays Q Code 22. I have been testing back and forth and the maximmum number I can set without any issues is 3466MHz. I am using G.Skill TridentZ RGB Series 16GB DDR4 3600MHz. I just updated my BIOS version to V1302 but there is no change. During my tests the FCLK is set to auto which is 50% of the RAM speed. I also tested 3600MHz with 1800MHz FCLK or lower and still cannot get post and I get Q code 22.

Here the current outcome for cmd "wmic MEMORYCHIP get BankLabel, DeviceLocator, MemoryType, TypeDetail, Capacity, Speed"
BankLabel Capacity DeviceLocator MemoryType Speed TypeDetail
BANK 1 8589934592 DIMM_A2 0 3466 16512
BANK 3 8589934592 DIMM_B2 0 3466 16512

Also the rest of my hardware info;
- Asus ROG x570 Crosshair VIII Hero (Wifi) ATX Motherboard BIOS V1302
- AMD Ryzen 9 3900X Processor
- G.Skill TridentZ RGB Series 16GB (2 x 8GB) 288-Pin DDR4 3600MHz (PC4 28800) Desktop Memory Model F4-3600C16D-16GTZR
- Sabrent 1TB Rocket NVMe 4.0 Gen4 PCIe M.2 Internal SSD Extreme Performance Solid State Drive with Heatsink
- EVGA GeForce GTX 1070 FTW GAMING ACX 3.0, 8GB GDDR5, RGB LED, 10CM FAN, 10 Power Phases, Double BIOS, DX12 OSD Support (PXOC) Graphics Card 08G-P4-6276-KR

[RedSector73]

Make sure you are using from the CPU ram slots 2 & 4

in the bios use DOCP like this



In regard flck you reading it wrong, Flck 1800mghz = bus speed of 1800mghz (= DDR speed @ 3600) ie. 1:1 ratio


Hope you find this of help, I'm off to bed.

[siemenscs]

Make sure you are using from the CPU ram slots 2 & 4

in the bios use DOCP like this



In regard flck you reading it wrong, Flck 1800mghz = bus speed of 1800mghz (= DDR speed @ 3600) ie. 1:1 ratio


Hope you find this of help, I'm off to bed.

Thank you for your help. I am using DIMM_B2* and DIMM_A2* slots and i changed the settings on bios as you suggested it. Everything seems to be working properly now. I highly appreciate the help.

BankLabel Capacity DeviceLocator MemoryType Speed TypeDetail
BANK 1 8589934592 DIMM_A2 0 3600 16512
BANK 3 8589934592 DIMM_B2 0 3600 16512

[RedSector73]

No problem, enjoy your new system.