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Thread: pushing my E4500 further? EP45-DS3L




  1. #1
    Join Date
    Dec 2008
    Posts
    29

    Default pushing my E4500 further? EP45-DS3L

    Well I spent every bit of 3 weeks trying to tweak my oc settings learning as I go. After failing to go past 3.2ghz I called it the day and that was that. Now a few months later I have that itch again to see if I can go further. I have come to the conclusion that my E4500 with a VID of 1.3250v is mediocre at best.

    I'm not asking someone to tell me exactly what to do.. but I'll post my bios settings so maybe someone can suggest where I should go from.

    PHP Code:
    Robust Graphics Booster  Auto]
    CPU Clock Ratio         [8x]

    CPU Host Clock Control      [Enabled]
    CPU Host Freq               [400]
    PCI Express Freq            [100]
    C.I.A.2                     [Disabled]

    Advanced Clock Control
    CPU Clock Drive             
    [800mv]
    PCI Express Clock Drive     [900mv]
    CPU Clock Skew              [0ps]
    MCH Clock Skew              [0ps]

    DRAM Performance Control
    Performance Enhance        
    [Standard]
    Extreme Memory Profile     [Disabled]
    MCH Freq Latch             [400mhz]
    System Memory Multiplier   [2.00D]
    Mem freq 1066 [800]

    DRAM Timing Selectable     [Manual]
    CAS Latency Time          5[4]
    tRCD                      7[4]
    rRP                       7[4]
    rRAS                     20[10]

    Advanced Timing Control
    tRPD            4    
    [4]
    tWTR            4    [4]
    tWR             8    [4]
    tRFC           68    [68]
    tRTP            4    [4]
    Command Rate    0    [2]

    Channel A timing settings
    Static tRead Value     10    [9]
                    [
    Auto for rest]

    Channel A Driving Settings
    Driving strength profile         
    [800mhz]
                    [
    Auto for rest]

    Channel B settings are the same

    CPU Vcore            1.32500v  
    [1.54375v]
    CPU Terminator       1.200v    [1.280v]
    CPU PLL              1.550v    [1.550v]
    CPU Reference        0.805v    [AUTO]

    MCH Core             1.100v   [1.260v]
    MCH Reference        0.760v   [0.790v]
    ICH I/O              1.550v   [1.550v]
    DRAM Volt            1.800v   [2.000v
    Q9550 @ 3.825ghz (450x8.5)
    Gigabyte GA-EP45-DS3L

    G.Skill DDR2 1066
    4gb
    Visiontek HD 4870x2

    x2 WD6400AAKS

    Silverstone DA800 800w

    Cooler Master Hyper 212

    Vista Ultimate SP1 64-bit

  2. #2
    Join Date
    Sep 2008
    Posts
    990

    Default Re: pushing my E4500 further? EP45-DS3L

    What's your load temperature? That VCore is relatively high and less might even prove better as the CPU will run cooler.

    Maybe a little more CPU termination and a little more PLL (up to ~1.35V and ~1.6V respectively). But I think your CPU might be maxed out, the E4x00 series often maxes out around there.


  3. #3
    Join Date
    Dec 2008
    Posts
    29

    Default Re: pushing my E4500 further? EP45-DS3L

    Load temps are a bit high. 68c. I have seen both cores tickle 70c at times.

    This is my first cpu that I seriously overclocked and from what I have read it doesnt really behave like it should. The only way I can get it stable at 3.2ghz is with the 400fsb (prime stable for 12+ hours). Any other combination multi or fsb is a no go. The vcore is a bit high. I have been trying to lower the volts but with no luck.
    Q9550 @ 3.825ghz (450x8.5)
    Gigabyte GA-EP45-DS3L

    G.Skill DDR2 1066
    4gb
    Visiontek HD 4870x2

    x2 WD6400AAKS

    Silverstone DA800 800w

    Cooler Master Hyper 212

    Vista Ultimate SP1 64-bit

  4. #4
    Join Date
    Sep 2008
    Posts
    990

    Default Re: pushing my E4500 further? EP45-DS3L

    68C is pretty high and may explain why other combinations do not work. The higher the temp gets, the more unstable a CPU will be. So if you were to hit less than 60C at full load the CPU may be stable.

    You should try lowering the multi and VCore to see if you can get a higher FSB to run. This way the CPU will be running cooler and under less overall strain so a higher FSB may be possible. If that still doesn't work then your CPU probably has a "FSB wall" and you just won't be able to go higher.

    PS: Are you using CoreTemp or RealTemp to measure CPU temperature or something different (like EasyTune)?


  5. #5
    Join Date
    Dec 2008
    Posts
    29

    Default Re: pushing my E4500 further? EP45-DS3L

    i'll give it a shot after work today i'll let you know how it goes.. I am using CoreTemp to get my temps.
    Q9550 @ 3.825ghz (450x8.5)
    Gigabyte GA-EP45-DS3L

    G.Skill DDR2 1066
    4gb
    Visiontek HD 4870x2

    x2 WD6400AAKS

    Silverstone DA800 800w

    Cooler Master Hyper 212

    Vista Ultimate SP1 64-bit

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