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F4-3200C16D-32GTZR - XMP no longer working after upgrading CPU from 10th to 11th gen

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  • F4-3200C16D-32GTZR - XMP no longer working after upgrading CPU from 10th to 11th gen

    Hello all,
    After upgrading my CPU from an i5-10600KF to i9-11900KF (so from 10th gen to 11th gen), I am no longer able to enable XMP@3200. Before the CPU upgrade it was possible to select XMP (Profile 1) in the BIOS of my motherboard (Gigabyte Aorus z490 Pro AX) and reach the rated maximum speed of my G.Skill memory sticks.

    Nothing else has changed in the configuration, only the CPU.The computer will no go past POST. After some trial and error I was finally able to reach 3,066 MHz but for that I had to select GEAR2 and set VCCIO to 1.10V, VCCSA to 1.15V, and DRAM to 1.35V. Selecting any freq beyond 3,066 will result in the computer failing to boot.

    My setup is fairly simple and I believe I am within specs for full compatibility so I should be able to reach 3200 MHz:- Aorus Z490 pro AX with BIOS F22 (latest)- Optimal default BIOS settings- Aorus GeForce RTX™ 3070 Ti MASTER 8G- G.Skill DDR4 3200 Trident Z 32GTZR

    Can anyone help me with the settings to reach the full potential of my memory modules? Is it normal to have different results with XMP simply by changing the CPU?

    Thank you for your help.

    Motherboard: Gigybyte Z490 AORUS PRO AX (1.x)
    BIOS Ver: F23
    Graphics card: GeForce RTX 3070 Ti (8 Go)
    CPU: Intel Core i9-11900KF
    Operating System: Windows 11
    Memory - G.Skill F4-3200C16D-32GTZR
    Size: 2x16
    Power Supply: be quiet! Straight Power 11 (650W)

  • #2
    Try one module at a time to see if there is any difference between the two sticks, and whether both can reach DDR4-3200. Load BIOS defaults, enable XMP Profile, then try again.

    Did you populate slots two and four away from the CPU?