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Thread: E8400 + UD3P + G.Skills PC 8500




  1. #1
    Join Date
    Feb 2009
    Posts
    6

    Unhappy E8400 + UD3P + G.Skills PC 8500

    I have experience in overclocking CPUs but i never had so much problems with ram before, i really need your guys help.
    My goal is to run 4.0Ghz or 4.25Ghz if temp isnt too high. Currently at 60c full load (but i found out today that i never pluged in my cpu fan power.)
    I have it on 4.0Ghz OCCT and Prime small FFT both 8 hr stable.
    But as soon as i run the Prime blend test, it gives me error within 5-30 seconds. I get BSOD when i play casual games like WarCraft3
    The following is my spec ( copied from my OCN account lol)
    <table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td valign="top" width="25%" height="26">CPU
    E8400 4.005Ghz @ 1.264v (445*9)
    </td> <td valign="top" width="25%">Motherboard
    Gigabyte EP45-UD3P
    </td> <td valign="top" width="25%">Memory
    G.Skills 2x2Gb 1066Mhz 5-5-5-15
    </td> <td valign="top" width="25%">Graphics Card
    Nvidia GTX 260 216 core 55nm
    </td> </tr> <tr> <td valign="top">Hard Drive
    WD VelociRaptor 300Gb
    </td> <td valign="top">Sound Card
    SB X-Fi Xtreme Gamer Fatal1ty Pro
    </td> <td valign="top">Power Supply
    PC P&C 750Watts
    </td> <td valign="top">Case
    Antec 300
    </td> </tr> <tr> <td valign="top">CPU cooling
    Xigmatek HDT S-1283
    </td> <td valign="top">GPU cooling
    Stock
    </td> <td valign="top">OS
    Window Vista 64bit
    </td> <td valign="top">Monitor
    Samsung 22" 226bw
    </td></tr></tbody></table>
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    CPU Frequency ...........................: 4.0GHz (445x9)

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 445
    PCI Express Frequency (Mhz) .........: 100
    C.I.A.2 .................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 0
    MCH Clock Skew (ps)...................: <<< 0

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    (G)MCH Frequency Latch...............: 400
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 890
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15

    Advanced Timing Control
    tRRD...........................................Aut o
    tWTR..........................................Auto
    tWR............................................Aut o
    tRFC...........................................Aut o
    tRTP...........................................Aut o
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................Auto
    Channel A
    Static tRead Value.........................:Auto
    tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto
    Dimm2 Clock Skew Control...............:Auto
    Channel B
    Static tRead Value.........................:Auto
    tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto
    Dimm2 Clock Skew Control...............:Auto
    Motherboard Voltage Control
    Voltage Type.………... Manual
    LLC................................:Enabled
    CPU Vcore….……….........................: 1.300
    CPU Termination…..... 1.280V*.......:
    CPU PLL…………………....1.570V*.......:
    CPU Referen.…………....0.81V*.......:
    MCH/ICH
    MCH Core…………….....1.300V...........:
    MCH Reference….…….0.810V...........;
    MCH/DRAM Ref.…......0.900V...........:
    ICH I/O……………….....1.500V............:
    ICH Core…………...……1.100V............:
    DRAM
    DRAM Voltage ……....2.100V............:
    DRAM Termination .…0.900V............:
    Channel A Reference 0.900V............:
    Channel B Reference 0.900V............:
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: Disabled
    Integrated Peripherals
    Legacy USB Storage Detect ..............Enabled

  2. #2
    Join Date
    Sep 2008
    Posts
    990

    Default Re: E8400 + UD3P + G.Skills PC 8500

    Settings look good.

    Have you tried other RAM? If you browse these forums there are quite a few people reporting problem with GSKil 8500 RAM.

    Will the RAM run fine when you don't OC?

  3. #3
    Join Date
    Feb 2009
    Posts
    6

    Default Re: E8400 + UD3P + G.Skills PC 8500

    btw i read on another fourm that says DRAM Termination shuold be 50% of the DRAM Voltage?
    So i should change
    DRAM
    DRAM Voltage ……....2.100V............:
    DRAM Termination .…0.900V............: 1.1v
    Channel A Reference 0.900V............: 1.1v
    Channel B Reference 0.900V............: 1.1v

  4. #4
    Join Date
    Feb 2009
    Posts
    6

    Default Re: E8400 + UD3P + G.Skills PC 8500

    i tried it on 800 mhz with 3.6Ghz 400*9 and it ran fine.

  5. #5
    Join Date
    Sep 2008
    Posts
    990

    Default Re: E8400 + UD3P + G.Skills PC 8500

    First thing I noticed is that th 1.3V Vcore is not enough, my E8500 needs 1.325V in BIOS already for 3.8GHz

    About the DRAM Termination, to be honest, I haven't played with it myself yet. Check this out though, lot of good info's in their "living reviews"
    Gigabyte GA-EP45-UD3R Living Review - Page 8 - Clunk's Forums.
    Reading up on DRAM Termination myself now at the moment...

    Also, what do you use to read the CPU temp? ANd you said you ran the system with the fan unplugged, was that at stock speed?

  6. #6
    Join Date
    Feb 2009
    Posts
    6

    Default Re: E8400 + UD3P + G.Skills PC 8500

    at 4.0Ghz 445*9 1.263v in windows
    it went almost all the way to 70C but i have an ultra kaze at the back of the case i turned it up to 3k rpm and the temp went to 53C
    until few hrs ago i noticed my cpu fan is not pluged in.

    i just tried 1.365v and in blend test still fails within 20 second

  7. #7
    Join Date
    Sep 2008
    Posts
    990

    Default Re: E8400 + UD3P + G.Skills PC 8500

    What is the highest clock speed that is stable? I'm trying to figure out whether this is a general problem or associated with the (relatively) high overlock itself. In the later case fine tuning voltages might help.

    Maybe 1.365v still wasn't enough, some people need more than that:
    http://www.forumdeluxx.de/forum/showthread.php?t=550028
    Last edited by Nickel020; 02-13-2009 at 08:02 PM.

  8. #8
    Join Date
    Feb 2009
    Posts
    6

    Default Re: E8400 + UD3P + G.Skills PC 8500

    i can only get 4.0Ghz to post,get into windows,Stable at OCCT/Prime, anything with 500 FSB simply wont go into windows, except if i'm lucky 500*8, but which is still 4Ghz

  9. #9
    Join Date
    Feb 2009
    Posts
    6

    Default Re: E8400 + UD3P + G.Skills PC 8500

    i'm gonna do a whole night ( its more like morning) of memtest, we'll see how things go with the ram

  10. #10
    Join Date
    Sep 2008
    Posts
    990

    Default Re: E8400 + UD3P + G.Skills PC 8500

    I'd first check if a lower overclock is stable. Lower the multi to 8 and see if that helps. keep the VCore at 1.365V though.

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