MAG B660M MORTAR WIFI DDR4 RAM compatibility


I have a bit of a pickle here.

I upgraded my RAM to G.Skill RipJaw V F4-3600C18D-64GVK.

At first, it was running great, but a few weeks ago it dropped to 1866Mhz from 3200. I went to BIOS, and enabled XMP, first to 3200 - it was fine for a couple of days, then it fell again to 1866. I went back to BIOS, and did 3200 - it crashed. I went again, this time to 3600 - it was running fine.

Two days ago I started to have BSOD, first for "IRQL NOT LESS OR EQUAL", and second for "PAGE FAULT IN NON-PAGED AREA".

The next boot didn't even go to Win10 - I could only manage to get into BIOS. RAM was set to 1600 MHz. I've disabled XMP - the same thing. And not it is not even booting to anything.

Now, Debug LEDs have a solid YELLOW light on DRAM, and - on occasion - RED flashes on the CPU.

I've removed the GPU, reseated everything, tried with one stick, swapped DIMM slots, etc - the same result.


* i7-14700K - Tower-Cooler setting.

* DDR4 64 GB (32X2) G.Skill RipJaw V F4-3600C18D-64GVK

* LS520 - DeepCool;

I also looked at the MSI support page, which lists compatible RAM for the 14th-K gen. It only shows me three options for 32GBs. While it would be fine for gaming, I need more RAM for mods and some productivity tasks.


  • PowerSpec_MikeW
    PowerSpec_MikeW PowerSpec Engineer
    5 Insightfuls First Anniversary First Comment 5 Awesomes



    With your description it sounds like a stick failed. I would test them each individually. Run test 8 only for a fast result. Common test to fail with a bad module.

    So I don't usually pay much attention to QVL's for a few reasons. One, most of them don't give you adequate information to know if it'll work on your board as configured. For instance they may not list the BIOS version they tested on, or they may not list what IC the RAM they had was. Sometimes they list the IC manufacturer, but not the die type. Tying into that, RAM manufacturers change components overtime so what they tested a year ago will not be what you buy in store even if the part number is identical. Take a picture of the label on the stick, and I can tell you more about what it is.

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