ALTRAD8UD-1L2T Fails Memory check

General Discussion
1

Memory is on the QVL.

NOTICE: DRAM FW version 220414
CP: 0ff00900
MEMC param:
mcu_enable_mask = 00000011 [default: 000000ff]
MCU param:
ecc_en = 00000002 [default: 00000001]
DRAM populated DIMMs:
SK0 MC0 S0: RDIMM[ce:80] 16GB 3200 ECC 1R x4 RCD[32:86] M393A2K40DB3-CWE
SK0 MC4 S0: RDIMM[ce:80] 16GB 3200 ECC 1R x4 RCD[32:86] M393A2K40DB3-CWE
CP: 3ff00100
CP: 3ff00200
CP: 00f01902
CP: 04f01902
CP: 0ff00a00
ERR: Unsupported CL 22 on DIMM
ERR: 80f0da23
ERR: 80f05800
ERR: 8ff0c500
CP: 3ff00800
ERR: bff0c100
ERROR: SK[0]: 00110001
ERROR: MC[0]: 00f10081
ERROR: Non-identical DIMM mixture NOT supported!

2

I have 8 of them installed, and they just work fine.

CleanShot 2026-01-25 at 10.18.01@2x
CleanShot 2026-01-25 at 10.18.01@2x1600Ă—716 158 KB

3

What version bios are you running?I have 4 total and receive the same SOL error regardless of the configuration.

4

This is mine. I have used those DIMMs since I bought the board from Newegg with stock BIOS.

     *-firmware
          description: BIOS
          vendor: American Megatrends International, LLC.
          physical id: 0
          version: 3.06
          date: 01/09/2025
          size: 1MiB
          capacity: 32MiB
          capabilities: pci upgrade cdboot bootselect acpi uefi
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