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Thread: Z68 motherboard will not run DDR 1600 at XMP settings

  1. #1
    Join Date
    Mar 2012

    Default Z68 motherboard will not run DDR 1600 at XMP settings

    I have a z68XP-UD3P rev 1.3. It used to run my 16GB Corsair XMS 3 at XMP settings just fine. The other day I figured up CPU-Z and noticed that the memory was only running at 1333 Mhz. I went to the BIOS and XMP was enabled but the memory wasn't running at XMP speeds. I tried manually setting the settings to 1600, but it didn't work. BIOS and CPU-Z show 1333. I reset the BIOS and reflashed it with the latest BIOS on this forum, U1g, but the memory refuses to run at 1600. I haven't looked at this in a long time and perhaps it has been running at 1333 since I last updated the BIOS. I've noticed that the UEFI BIOS for the Z68 motherboards is half baked and is missing features, such as CPU load line voltage. Any ideas on how to get my memory running at full speed?

  2. #2
    Join Date
    Aug 2009
    Birmingham,Great Britain

    Default Re: Z68 motherboard will not run DDR 1600 at XMP settings

    try with 1600mhz speed/timings/dram voltage and 1.10v cpu/vtt voltage?
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