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Thread: Unstable in DIMM 1/3, somewhat stable in DIMM 2/4




  1. #11
    Chike is offline Senior Member
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    Default Re: Unstable in DIMM 1/3, somewhat stable in DIMM 2/4

    Quote Originally Posted by evencoil View Post
    What does the "A" stand for in 3.00A? other multipliers had different letters (A-D)
    I don't know but my personal guess they are just multipliers for common DDR rates for specific bus frquencies.
    If there is more to it I would too be glad if someone shades some light on it.

  2. #12
    Join Date
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    Default Re: Unstable in DIMM 1/3, somewhat stable in DIMM 2/4

    "A" corresponds to 266 so 3.00D = 3x266=798, which is about 800+- memory frequency. When you go the system memory multiplier in your bios, there is a legend to the right.

    266>A
    333>B
    200>C
    400>D
    1) Gigabyte EP45-UD3P (rev 1.1, bios F9) E8400 @445x9@1.2625v bios, TRUE 120, Scythe UltraKaze 44cfm, 4x2gb GSkill 8500, Visiontek 3870, Corsair TX850, Antec 900, Win7-64 Home.
    2) Gigabyte EP45-UD3P (rev 1.1, bios F9) E8400 @500x8.5@1.2875v bios, TRUE 120, Schythe UltraKaze 44 cfm, 4x2gb Buffalo FireStyx 8500, XFX 5770, Corsair AX850, CM Scout, WinXP Pro/Win 7-64 Home.
    3) Gigabyte P55A-UD4P (rev 1.0, bios F5) i5 750 @190x20@1.30625v bios, CM Hyper 212+, 4x2gb G.Skill Ripjaw 1600, 7900GS, Corsair TX750, CM Scout, Win7 Pro-64.
    4) Asus P8Z68-V Pro (bios 0801), i5-2500K @44x100@1.248v cpuz, Megahalem rev.B, 4x4gb GSkill Sniper 1600, Corsair AX850, Antec 902, Corsair Performance 3 128GB, Win7-64 Home.


  3. #13
    Join Date
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    Default Re: Unstable in DIMM 1/3, somewhat stable in DIMM 2/4

    Evencoil: You are only running 2x2gb of 8500 Gskills and there are a lot of people running Gskills with the UD3 series board on this forum, so I suspect the problem your experiencing may be due to improper memory settings in your bios. If you want more help, you need to post a template for your bios settings so people can help identify the problem.
    1) Gigabyte EP45-UD3P (rev 1.1, bios F9) E8400 @445x9@1.2625v bios, TRUE 120, Scythe UltraKaze 44cfm, 4x2gb GSkill 8500, Visiontek 3870, Corsair TX850, Antec 900, Win7-64 Home.
    2) Gigabyte EP45-UD3P (rev 1.1, bios F9) E8400 @500x8.5@1.2875v bios, TRUE 120, Schythe UltraKaze 44 cfm, 4x2gb Buffalo FireStyx 8500, XFX 5770, Corsair AX850, CM Scout, WinXP Pro/Win 7-64 Home.
    3) Gigabyte P55A-UD4P (rev 1.0, bios F5) i5 750 @190x20@1.30625v bios, CM Hyper 212+, 4x2gb G.Skill Ripjaw 1600, 7900GS, Corsair TX750, CM Scout, Win7 Pro-64.
    4) Asus P8Z68-V Pro (bios 0801), i5-2500K @44x100@1.248v cpuz, Megahalem rev.B, 4x4gb GSkill Sniper 1600, Corsair AX850, Antec 902, Corsair Performance 3 128GB, Win7-64 Home.


  4. #14
    Join Date
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    7

    Default Re: Unstable in DIMM 1/3, somewhat stable in DIMM 2/4

    thanks I'll do that as the next step...so far I haven't crashed after setting to 800 Mhz...so I think I might be stable (knock knock)....

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