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Thread: Z170XP-SLI : Unable to use all 4 Ram slots




  1. #1
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    Default Z170XP-SLI : Unable to use all 4 Ram slots

    Hi,

    Picked up this board with skylake 6600k. I have tested each of 4 dimms in 4 slots , seem fine.
    Dual channel seems fine as well. Just cant get the PC to boot with all 4 Rams installed. Updated bios to F4b , but no luck.

    Ram is : Kingston Fury Black 8GB (2x4GB) DDR4 PC4-21300C15 2666MHz Dual Channel Kit - Black (HX426C15FBK2/8)

    Also I tried the following.

    1. Each ram in each of the 4 dimms (single only) : Boots fine.
    2. Dual channel : Boots fine for the following
    1. 4,3
    2. 4,1

    Combination of 4,2 seems to fail though , but combination of 1,2 works. XMP profile is set to 1 in both memory and frequency sections. On unsuccessful boot the BIOS return to factor F2 version. I tried setting to XMP mode in easytune and the the system would not boot and had an error to revert to last know good configuration of BIOS

    Thanks for your help.

  2. #2
    stasio's Avatar
    stasio is offline GIGABYTE Elite
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    Default Re: Z170XP-SLI : Unable to use all 4 Ram slots

    Try BIOS F4c:

    https://www.mediafire.com/?2w61o70t6wdjtr2

    or try to set your RAM manually.
    It's early stage of Z170 system and upcoming BIOS should address this issue.
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

  3. #3
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    Default Re: Z170XP-SLI : Unable to use all 4 Ram slots

    Cant set RAM manually as i never make it to the Gigabyte screen. Currently running F4C which seems to fix this. Happy times =)
    Thanks for your help.

  4. #4
    stasio's Avatar
    stasio is offline GIGABYTE Elite
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    Default Re: Z170XP-SLI : Unable to use all 4 Ram slots

    After splash screen pressing "DEL" on keyboard.......
    In MIT section go to DRAM Voltage control....set Memory Timing mode to Manual....





    Edit:
    If BIOS F4C is OK for you...then forget posted above....

    Btw,
    Dual channels is 1-2 or 3-4 (or all 4 slots).....no other will work well.
    Last edited by stasio; 08-25-2015 at 09:03 AM.
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

  5. #5
    stasio's Avatar
    stasio is offline GIGABYTE Elite
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    Default Re: Z170XP-SLI : Unable to use all 4 Ram slots

    Here is latest BIOS F4d :

    https://www.mediafire.com/?vl13dbq2cu87zkv
    GA-Z170X-SOC Force , Kaby Lake...
    GA-Z97X
    -SOC Force ,
    Core i7-4790K @ 4.9 GHz
    GA-Z87X-UD3H ,Core i7-4770K @ 4.7 GHz
    G.Skill F3-2933C12D-8GTXDG
    @ 3100 (12-15-14-35-CR1) @1.66V
    2xSSD Corsair Force GS 128 (RAID 0), WD Caviar Black SATA3 1TB HDD,
    Evga GTS 450 SC, Gigabyte Superb 720W
    XSPC RayStorm D5 EX240 (Liquid Ultra)
    NZXT Phantom 630 Ultra Tower
    Win 7 SP1 x64;Win 8.1 x64;
    Win 10 x64

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