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Thread: Overclock my GA-EP44-DS3R




  1. #11
    Join Date
    Oct 2009
    Location
    United Kingdom
    Posts
    10

    Default

    Motherboard: GA-EP45C-DS3R
    CPU: Intel Core 2 Duo E8500
    Bios: F5
    Memory: Corsair XMS DDR3 4G 1333mhz http://www.corsair.com/_datasheets/TW3X4G1333C9.pdf
    Graphics: NVIDIA GeForce 8800 GTS 640MB
    PSU: 550W
    Case: TAI CHI (Water Cooled)

  2. #12
    Chike is offline Senior Member
    Join Date
    Jun 2009
    Location
    Israel
    Posts
    6,531

    Default Re: Overclock my GA-EP44-DS3R

    Load optimized defaults, make any changes you made like disk boot priority, save reboot and apply the following changes.
    These are for mininal OC to 3.2GHz @ 400FSB.
    After testing them to be stable you can invrease CPU ratio and apply more Vcore as needed and other tweaks that may be needed.
    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------------- : [Auto] 
    CPU Clock Ratio ---------------------- : [8]
    Fine CPU Clock Ratio ----------------- : [0.0]
    CPU Frequency ---------------------: 3.20GHz(400x8)
     
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control --------------- : [Enabled]
    CPU Host Frequency (Mhz) --------------: [400]
    PCI Express Frequency (Mhz) ---------- : [100]
     
    C.I.A.2 ------------------------------ : [Disabled]
     
    Advanced Clock Control ------- [Press Enter]
    CPU Clock Drive ---------------------- : [800mV] <--- Leave at default
    PCI Express Clock Drive -------------- : [900mV] <--- Leave at default
    CPU Clock Skew (ps) ------------------ : [0ps]
    MCH Clock Skew (ps) ------------------ : [0ps]
     
    DRAM Performance Control
    Performance Enhance ------------------- : [Standard]
    (G)MCH Frequency Latch ---------------- : [Auto]
    System Memory Multiplier -------------- : [3.33D] <-- Try 3.20B 3.33C and 3.00A if this does'nt work
    Memory Frequency (Mhz) ----- 1333 ----- : 1333
    DRAM Timing Selectable ---------------- : [Manual]
     
    Standard Timing Control
    CAS Latency Time -------- 9 ---------- : [9]
    tRCD -------------------- 9 ---------- : [9]
    tRP --------------------- 9 ---------- : [9]
    tRAS ------------------- 24 ---------- : [24]
     
    Advanced Timing Control
    tRRD -------------------  5 ---------- : [Auto]
    tWTR -------------------  5 ---------- : [Auto]
    tWR -------------------- 10 ---------- : [Auto]
    tRFC ------------------- 74 ---------- : [Auto]
    tRTP -------------------  5 ---------- : [Auto]
    Command Rate (CMD) ------------------- : [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
    CPU
    CPU Vcore --------------- 1.22500V ---- : [1.22500] <-- might need couple notches higher
    CPU Termination --------- 1.200V* ----- : [1.200]   <-- 1.2-1.24v
    CPU PLL ----------------- 1.500V* ----- : [1.500]   <-- 1.5-1.57v
    CPU Reference ----------- 0.760V* ----- : [Auto] 
     
    MCH/ICH
    MCH Core ---------------- 1.100V ------- : [1.200]  <-- 1.2-1.24v
    MCH Reference ----------- 0.760V ------- : [Auto]   <-- this may need tweaking, usually 0.74-0.72 @ 1.2 Vtt
    MCH/DRAM Ref ------------ 0.750V ------- : [Auto]
    ICH I/O ----------------- 1.500V ------- : [1.500] 
     
    DRAM
    DRAM Voltage ------------ 1.500V ------- : [1.500] 
    DRAM Termination -------- 0.750V ------- : [Auto]
    Channel A Reference ----- 0.750V ------- : [Auto]
    Channel B Reference ----- 0.750V ------- : [Auto]
     
    Advanced BIOS Features
    Limit CPUID Max. to 3 ------------------ : [Disabled]
    No-Execute Memory Protect -------------- : [Enabled]
    CPU Enhanced Halt (C1E) ---------------- : [Disabled] <-- optional for the time overclocking
    C2/C2E State Support ------------------- : [Disabled]
    x C4/C4E State Support ----------------- : [Disabled]
    CPU Thermal Monitor 2 (TM2) ------------ : [Enabled]
    CPU EIST Function ---------------------- : [Disabled] <-- optional for the time overclocking
    Virtualization Technology -------------- : [Disabled] <-- optional for the time overclocking
     
    Integrated Peripherals
    Legacy USB Storage Detect ------------- : [Disabled]
    Vtt = CPU Termination

    Run 6+ passes of memtest86+ before starting windows.
    Run 8+ hours Prime95/Orthos blend torture, or OCCT CPU OCCT medium data set.
    5-10 runs IBT(IntelBurnTest) at max stress level.
    Watch core temps with CoreTemp/RealTemp (OCCT has them built in) for this processor at 3.2GHz they should never go above 60c for Prime95/Orthos/OCCT, IBT may get 10c+ hotter.

    EDIT: just noticed it's a C0 steppimgs so not sure about core temps, may get a bit higher.
    Last edited by Chike; 01-14-2010 at 07:01 AM.

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