Asus maximus extreme x38 with g skill 4x4gb 1600mhz ram

hello i joust bought 4x4gb ram g skill 1600 mhz but my motherboard works just until 1066 mhz....

when i put my memory higher than 1066 to 1333 or 1600 my pc freezes and doesnt boot...anyone knows whats going wrong?

my motherboard fsb can me overclocked to 400mhz to 800mhz (1600mhz ram to as it gets)

thanks


my motherboard is asus maximus extreme

cpu q450

vga 7870
18 answers Last reply
More about asus maximus extreme skill 4x4gb 1600mhz
  1. Your board may only run with the cpu overclocked; you'll definately need the command rate set at 2T, which the board should do automatically when populating all four slots. I would try overclocking the cpu and set the ram setting on "auto" and see what speed the board selects for the ram. Some 775 boards won't run stable with the ram speed higher than 1066.
  2. mmmm...interesting... my previus ram was 2x2gb ocz 1600 mhz.... i was run my system in 410fsb with my ram mhz higher than 1640 mhz with no problem.... i try to put my ram speed in bios in auto mode but the fsb in 400 mhz and again stucked.... it only work when i put auto mode my cpu speed 333fsb speed.... :(
  3. Post some pictures of BIOS. It can be a problem with memory timings, NB Voltage, or CPU FSB Voltage. Give them a boost to see if it can be more stable.

    Thank you
    GSKILL SUPPORT
  4. thanks for advice...i will put pictures asap ;)
  5. beggining with 1st photo its the only function of my ram that works, at 1280mhz

    i make some tries to change the fsd stap to northe bridge but the same....if i put the ram over 1280 mhz my pc can't boot
  6. Set DRAM Command to 2, DRAM Timings Manual so I can see which options are available.

    Thank you
    GSKILL SUPPORT
  7. What model is the RAM? You don't have any timings input, but it is AUTO detecting 7-11-11 and I don't know if that is correct since I don't know what you have..

    Row Refresh Cycle Time (tRFC) is 78.. that'll need to be higher for 16GB.. have you tried 8GB to see if that works?

    Thank you
    GSKILL SUPPORT
  8. i have 4x4gb f3-12800cl9d-8gbxl ddr3 pc3-12800
    cl-9-9-9-24 1.5vo

    first i try just with 8gb(2x4gb) it didnt work the i put all four....
  9. Manually input the DRAM timings since your motherboard is not detecting them correctly.

    Thank you
    GSKILL SUPPORT


    papakostaskostas said:
    i have 4x4gb f3-12800cl9d-8gbxl ddr3 pc3-12800
    cl-9-9-9-24 1.5vo

    first i try just with 8gb(2x4gb) it didnt work the i put all four....
  10. i put them manually....the same problem....damned motherboard.... :(
  11. I need to see Primary Info. It is blocked in all of the pictures.

    Do you have the latest BIOS?

    X38 does not support 4GB modules, but it does not hurt to try.

    Thank you
    GSKILL SUPPORT
  12. http://imageshack.us/f/441/img20130128151321.jpg/

    maybe it doesnt start becouse i have 4 modules of 4gb..... :(
  13. Most likely that is the issue, but based on your picture, DRAM Timing Control is still AUTO, and CL is detected as 7, so that is a problem since CL should be 9 or 11.

    Thank you
    GSKILL SUPPORT
  14. thanks you so much gskill represemtative.....i appriciate your help
    i hope to solve that issue unless my ram is incompatible with my motherboard :)
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