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Thread: Requesting help for OC: GA-EP45T-DS3R, Q9300, Corsair DDR3 (1600) - TW3X4G1600C9DHX




  1. #1
    Join Date
    Jul 2009
    Posts
    26

    Default Requesting help for OC: GA-EP45T-DS3R, Q9300, Corsair DDR3 (1600) - TW3X4G1600C9DHX

    Hi,

    PM doesnt seem to work, this was directed to LSDMEASAP but please excuse if i posted this incorrectly.

    I've recently decided to OC my rig but i'm stumped. Failures ( IRQL, MEM Manage, page fault), vista load bar freeze, BSOD's and unstability when running Prime TT.

    From reading through forums, i found valuably information from your posts and im requesting your help. Below is my current Bios settings which allowed me load to Windows but under the primeTT, cores stopped 40min runtime.

    Specs:
    GA-EP45T-DS3R
    Intel - Q9300 York
    Corsair DDR3 (1600) # TW3X4G1600C9DHX
    PSU - Corsair 750watt
    Tuniq Tower Cooler

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [AUTO]
    CPU Clock Ratio ..........................: 7
    Fine CPU Clock Ratio.....................:.0.5
    CPU Frequency ...........................: 3.60ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 480Mhz
    PCI Express Frequency (Mhz) .........: 100


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


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 3.33D-4.00D
    Memory Frequency (Mhz) ..............: 1500-1600
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 7-9
    tRCD ......................................... 7-9
    tRP'........................................... 7-9
    tRAS.......................................... 20-24

    Advanced Timing Control [Press Enter]
    tRRD........................................... [AUTO]
    tWTR.......................................... [AUTO]
    tWR............................................ [AUTO]
    tRFC........................................... [AUTO]
    tRTP........................................... [AUTO]
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:8
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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 ps
    Dimm2 Clock Skew Control...............:Auto ps

    Channel B
    Static tRead Value.........................:8
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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 ps
    Dimm2 Clock Skew Control...............:Auto ps

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: 1.3v
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.2v
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave

    DRAM
    DRAM Voltage ……....1.800V............: 1.800v
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Enabled]

    I've also tried lowering my FSB to 400, with System Mem Multipliyer at 4.00D, making it 3.0ghz @ 1600mhz, increased ram volt to about 1.8 (recommended), it rebooted and reset to default before loading boot screen. then i tried FSB 450, SMM at 3.33D, making it 3.375ghz @ 1500mhz. i got it to load to windows but failed prime TT

    FYI: Under default load optimization: FSB is 333 & ram freq. 1066 (77720).

    Please offer some assistance in getting my rig to run stable.

    Thank you
    Last edited by sidekick96; 07-30-2009 at 01:34 AM.

  2. #2
    Chike is offline Senior Member
    Join Date
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    Default Re: Requesting help for OC: GA-EP45T-DS3R, Q9300, Corsair DDR3 (1600) - TW3X4G1600C9D

    I may think about several modifications.
    More MCH Core may be needed for higher FSB and memory speed.
    Static tRead mey be too low, try 9 or 10.
    Memory multipliers do not operate equally at different bus speeds, you may need to find the one that is good for 480FSB. Try 3.20B.
    Trying to run memory at it's maximum rated speed may be sometimes a difficult task. A slighty underclocked memory with better timings may give you an equally good results.
    And of course, additional Vcpre may be needed as well, but someone with the same processor may have a better idea about that.

  3. #3
    Join Date
    Jul 2009
    Posts
    26

    Default Re: Requesting help for OC: GA-EP45T-DS3R, Q9300, Corsair DDR3 (1600) - TW3X4G1600C9D

    i increased my MCH core but it restarted the CPU instantly, ill try to work with timings and MCH as well as Vcore and termination, i will post up some tweaked bios settings.

  4. #4
    Chike is offline Senior Member
    Join Date
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    Israel
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    Default Re: Requesting help for OC: GA-EP45T-DS3R, Q9300, Corsair DDR3 (1600) - TW3X4G1600C9D

    Are you sure the multipliers are from the D strap?
    Try B strap multipliers, they seem to work better at the high 400s.

  5. #5
    Join Date
    Jul 2009
    Posts
    26

    Default Re: Requesting help for OC: GA-EP45T-DS3R, Q9300, Corsair DDR3 (1600) - TW3X4G1600C9D

    definitely sure, but ill try B and see if it helps.

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