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X570-F Gaming with 4 sticks of DDR4 3600 does not POST with DOCP Enabled

Level 8

I've run into trouble with running 4x sticks of 16GB DDR4-3600 Corsair Vengeance RGB RS with my Asus ROG X570-F Gaming mobo (BIOS is second to latest version 4602). Originally I had a kit of 2x16GB CMG32GX4M2D3600C18 and had no trouble with running DOCP enabled since new (Aug 21). System is running Ryzen 5 5600X, 850W Corsair PSU.

I just added another kit of 2x16GB CMG32GX4M2D3600C18 (exact same P/N as original).

Now whenever I enable the DOCP profile my PC will not POST due to failing RAM and defaults to 2133 MHz safe mode.

The new 32GB kit runs fine by itself (2x sticks) on DOCP 3600 MHz settings, as does the original kit. Trouble occurs when I install all 4 sticks together.

If I downclock the RAM to 3200 MHz and leave the other DOCP settings alone the system POSTS and runs fine.

Running voltages and CAS timing as per the DOCP setting (1.35V, 18-22-22-42). Bumping up the DRAM voltage to 1.39 does not help, neither does setting CAS to 19-22-22-42, still will not POST above 3200 MHz.

I have never had these kind of problems with adding extra memory sticks of the same P/N to a build before...

Anyone else seeing similar issues?


Customer Service Agent

Hello, @tssfka 

Please ensure that all memory modules are from the same validated memory kit and avoid using DIMMs from different memory kits.
We recommend you refer to the instructions in [Motherboard] How to query (CPU/memory) QVL List? and also check the "purchasing and installation guide" under the "Memory" section on the official website of the ROG Strix X570-F Gaming's support page.

  • When installing a memory kit, please adhere to the DIMM slot priority cited in the Memory installation section of the product manual.
  • Ensure that all memory modules are from the same validated memory kit. Do not mix DIMMs from different memory kits—even if they are the same brand and model (e.g., two DIMMs each from two different memory kits). Mixing and matching DIMMs can result in a failure to boot and compatibility issues. In particular, the stability of a system with mixed DIMMs cannot be guaranteed when XMP (Intel)/D.O.C.P (AMD)/EXPO (AMD)/AEMP/AEMPII is enabled. For example, enabling XMP (Intel)/D.O.C.P (AMD)/EXPO (AMD)/AEMP/AEMPII to speeds above DDR5 4800MHz or above DDR4 3200MHz could result in an unstable system.
  • The stability and compatibility of XMP(Intel)/D.O.C.P(AMD)/EXPO(AMD)/AEMP/AEMPII memory kits that operate beyond the POR standard is not guaranteed because it can be affected by the capabilities of the CPU’s integrated memory controller, installed devices, and the operating frequency of associated bus domains.
  • Always install DIMMs with the same CAS latency. For optimal compatibility, we recommend that you install memory modules of the same version or date code (D/C) from the same vendor. Check with the retailer to get the correct memory modules.
  • The default DIMM frequency depends on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value. To set the rated speed of the kit, please select XMP(Intel)/D.O.C.P(AMD)/EXPO(AMD)/AEMP/AEMPII or apply manual settings.
  • When installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
  • DDR5 speed may vary depending on the number of memory modules used. In general, DDR5 speed with 2 DIMMs will be faster than that with 4 DIMMs, and its actual speed will also vary depending on platform. Refer to your memory modules' specifications for more details.

Thank you.

Level 8

common X570 problem Enable DOCP and reduce speed to 3533 / 3400 / 3200  .. Or change to a 2 stick kit. 

Level 10

Possible cause:

The key cause here is the memory layout architecture. Asus (and practially all manufacturers except Asrock) for the 570 gen of chipset switched to a simpler and cheaper Daisy-chain memory trace layout on motherboards. In comparison, ROG boards as Crosshair Hero VI or VII with X370 or X470 chipsets would easily handle four memory sticks of DDR4, but not the 570.

Possible remedy:

With four DDR4 installed, reduce speed to 3200, then gradually increase to 3333, 3400, etc - while testing memory stability (using Testmem5 or Memtest86) in Windows.

Also try:

If you have several hours to try to tune the memory, you may try the next speed (as 3400 or 3600) by varying few parameters. Key parameters in DDR4 overclocking for AMD are SOC voltage (try around 1.15, don't exceed 1.2) and PROCODT resistance (try maybe 40 Ohms, or close to that). DDR voltage also has some effect, but I had it at 1.41 - 1.42 volts (safe; real overclockers in China pushed it to 1.55-1.6V).