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Thread: G1 Sniper 3 Memory Issue




  1. #1
    Amazing Mr. X is offline Junior Member
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    Exclamation G1 Sniper 3 Memory Issue

    Right, so I've never used these forums before, but I don't really have any other options now.

    I built a computer with a G1 Sniper 3 almost 6 months back, and at the time I only bought a 2x4GB ram kit because I thought having more than that was pointless. Fast forward to a few months of actually using the machine and yeah, I found out the hard way that 8GB isn't that much for some applications and scenarios. So I recently finally caved in and bought a second copy of the kit. The kit in question is G.Skill's F3-2400C10D-8GZH. G.Skill's website specifically lists the kit as being compatible with the G1 Sniper 3, so I'm not totally sure what's up with this.

    The problem is simple, filling all 4 memory slots causes the motherboard to fail to boot. It will post perfectly well with any one of the two kits in either memory channel by themselves, but as soon as the second kit is added the board just won't post. The Debug LED display on the board reads code 15 ("Pre-memory North-Bridge initialization is started" according to the motherboard manual) most of the time, almost as if it's hung up there, before automatically rebooting. Sometimes though, code 36 ("CPU PEI initialization" according to the motherboard manual) appears briefly after code 15 before it reboots. It always reboots though, and it would likely continue to do so forever if I didn't manually kill the power via the PSU switch.

    I updated my BIOS to the F8k BETA posted in the sticky thread on this forum, in the hopes it would fix this, but nothing has changed. The board boots fine with just two sticks of ram, but loops as described with 4.

    So here's my question; Can anyone offer me any help with this?

  2. #2
    stasio's Avatar
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    Default Re: G1 Sniper 3 Memory Issue

    Try to increase in BIOS CPU Vtt voltage to 1.10-1.12V,maybe also IMC to 0.950V.
    Are you running memory on stock or DDR3-2400 (XMP)?
    What is your setting in BIOS?

    Did both kit has same serial number.....e.g..9210660081754

    Last edited by stasio; 08-24-2013 at 08:35 AM.
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  3. #3
    Amazing Mr. X is offline Junior Member
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    Default Re: G1 Sniper 3 Memory Issue

    Quote Originally Posted by stasio View Post
    Try to increase in BIOS CPU Vtt voltage to 1.10-1.12V,maybe also IMC to 0.950V.
    Are you running memory on stock or DDR3-2400 (XMP)?
    What is your setting in BIOS?

    Did both kit has same serial number.....e.g..9210660081754

    Well I just tried it at XMP's DDR3-2400 settings.

    I tried Vtt @ 1.12v like you suggested, with 0.950v on the IMC. It was the same, the thing was still refusing to boot.

    I checked the XMP profile over in the BIOS and saw that it listed wanting to set Vtt to 1.25v, I tried that as well and it didn't help either.

    All other settings are at stock for now. I cleared all of my overclocks before I started just to make sure nothing funny was going on.

    The only things I have changed are load line calibration and the DRAM Voltage (set to 1.660v).

    As for the serial number, no they aren't the same. Does that matter?

  4. #4
    stasio's Avatar
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    Default Re: G1 Sniper 3 Memory Issue

    It's matter.....OOOOXXXX.........
    What is XXXX numbers?.....(0240 or 1500)

    Try to relax latency,instead of 2400/10-12-12-31-2 set in BIOS 2400/11-13-13-35-2 @ 1.66V.

    Edit:
    Visit also G.Skill forum....maybe there is similar thing...
    http://www.gskill.us/forum/forumdisplay.php?f=2

    or post also here:
    http://forums.tweaktown.com/g-skill/
    Last edited by stasio; 08-24-2013 at 12:27 PM.
    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
    Amazing Mr. X is offline Junior Member
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    Default Re: G1 Sniper 3 Memory Issue

    Quote Originally Posted by stasio View Post
    It's matter.....OOOOXXXX.........
    What is XXXX numbers?.....(0240 or 1500)

    Try to relax latency,instead of 2400/10-12-12-31-2 set in BIOS 2400/11-13-13-35-2 @ 1.66V.
    1500 for the first set and 2500 for the second set.

    11-13-13-35-2 @ 1.66v didn't change anything.

    Edit: I could try posting on the other forums I guess.

  6. #6
    stasio's Avatar
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    Default Re: G1 Sniper 3 Memory Issue

    Ok,at least you have Samsung IC installed on the memory.
    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

  7. #7
    Amazing Mr. X is offline Junior Member
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    Default Re: G1 Sniper 3 Memory Issue

    Alright, so I looked at the G.Skill forum and caught this particular post. I didn't exactly know 2400 MHz was a grey area for Ivy Bridge, but I followed all the steps provided in their guide.

    CPU Voltage: 1.3V, VTT Voltage: 1.15V, VCCSA Voltage: 1.10V, DRAM Voltage: 1.75V

    The only differences I had were 1.25v for VTT (as that's still what the XMP says), and the loosened timings of 11-13-13-35-2.

    Rebooting lead to the same boot loop as before.

    Trying again with the same high voltages at 2133 didn't change anything either.


    Worryingly, I discovered something funny about the new kit. While the first kit is single sided, the strips in the new kit are double sided. I don't know if that's bad, but it doesn't look good to me. Any thoughts?

  8. #8
    stasio's Avatar
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    Default Re: G1 Sniper 3 Memory Issue

    Ahhh,no wonder....single sided and double sided didn't "play" well together.
    Your only chance is to have all four sticks same,so sell 1 set (or both) and buy 4x4 or 2x8 GB sets.
    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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