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Thread: Room for more performance: E7400 on GA-EP45-UD3P




  1. #1
    Join Date
    Feb 2009
    Posts
    6

    Default Room for more performance: E7400 on GA-EP45-UD3P

    I know I have room for more performance.. what would you change? Plenty stable at 3.6GHz using EasyTune 6, but I've heard that's not the best idea. Basically, all I've done is bump the E7400 to 9.0x @ 400FSB for 3.8GHz.

    Build:
    GA-EP45-UD3P
    Intel Core 2 Duo E7400
    Xigmatek S1283
    4GB Patriot Viper DDR2
    Antec 900
    PC Power & Cooling S75CF 750W single-rail

    BIOS:
    * indicates the default setting
    EIST and C1E are disabled

    Where do I start if my goal on the E7400 is 3.8GHz?

    Short BIOS version: Everything is default except Multipler/FSB (9.0x400=3600MHz) and memory timings (4-4-4-4, 800MHz).

    Code:
     
    Robust Graphics Booster: Auto*
    CPU Clock Ratio w/ Fine adjustment 9.0x
     
    ***Clock Chip Control***
    CPU Host Clock Control: Enabled
    CPU Host Frequency (Mhz): 400
    PCI Express Frequency (Mhz): Auto*
    C.I.A.2: Disabled*
     
    Advanced Clock Control:
    ..CPU Clock Drive: 700mV*
    ..PCI Express Clock Drive: 700mV*
    ..CPU Clock Skew: 0ps*
    ..MCH Clock Skew: 0ps*
     
    ***DRAM Performance Control***
    Performance Enhance: Turbo*
    Extreme Memory Profile X.M.P.: Auto*
    (G)MCH Frequency Latch: Auto*
    System Memory Multiplier (SPD): 2.00B
    (Memory frequency appears as 800Mhz as a result of the above setting)
    DRAM Timing Selectable (SPD): Manual
    CAS Latency:4
    tRCD: 4
    tRP: 4
    tRAS: 4
     
    Advanced Timing Control: [Press Enter]
    (all settings within Advanced Timing Control are Auto)
     
    ***Mother Board Voltage Control***
    Load-line Calibration: Disabled*
    >>>CPU
    CPU Vcore: Auto*
    CPU Termination: Auto*
    CPU PLL: Auto*
    CPU Reference: Auto*
    >>>MCH/ICH
    MCH Core: Auto*
    MCH Reference: Auto*
    MCH/DRAM Reference: Auto*
    ICH I/O: Auto*
    ICH Core: Auto*
    >>>DRAM
    DRAM Voltage: Auto*
    DRAM Termination: Auto*
    Channel A Reference: Auto*
    Channel B Reference: Auto*

  2. #2
    Join Date
    Feb 2009
    Posts
    6

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    I haven't tried anything new yet -- waiting on a response from the experts here.

    Is there information I should post that would be useful, or is the explanation above and BIOS enough to go on?

  3. #3
    Join Date
    Feb 2009
    Posts
    6

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    Shameless bump. Is anyone able to give some advice?

  4. #4
    Join Date
    Feb 2009
    Posts
    6

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    I'm persistent.. sooooo.. bump.

    I can get 3.7GHz @ 370FSB with 10x multiplier stable, but 3.8GHz @ 400FSB at 9.5 fails.

  5. #5
    Join Date
    Sep 2008
    Posts
    990

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    (G)MCH Frequency Latch: 400
    System Memory Multiplier: 2.00D

    CPU Vcore: 1.35V


    MCH Core: 1.300V

    Adjust the above settings and see if that helps.

  6. #6
    Join Date
    Jan 2009
    Location
    In. Usa
    Posts
    41

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    I have almost the exact same configuration, just got everything today. I'll be using xp and 2gig of Patriot(non viper).
    I won't be able to do much until the weekend and know very little about all the overclocking options. I plan do letting mine run stock for a day or two B4 I try any overclocks. Keep me posted on your progress.
    Chuck
    Last edited by chuckm; 02-11-2009 at 10:44 AM.
    E7400, Gigabyte P45-UD3P, 2gb Patriot PC28500,
    WD 320 gig HD, Sapphire 4670 DDR4, Corsair VX550
    Xigmatek HDT1283, Antec 300, Xp Pro 32bit

  7. #7
    Join Date
    Feb 2009
    Posts
    6

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    Nickel020: those settings cause system instability. Even at a lower clock speed, I can't boot using those settings.

    The settings in my OP still work for 3.6GHz, but as I mentioned, it's pretty low for this CPU.

  8. #8
    Join Date
    Sep 2008
    Posts
    990

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    Well the voltage settings shouldn't cause isntability. Neither should the memory settings I posted, they're pretty relaxed. Does it work if you select 2.0B?

  9. #9
    Join Date
    Feb 2009
    Posts
    6

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    Relatively stable at 3.6GHz with the settings you provided once I changed to 2.0B. However, Prime95 crashes after 9-10 hours when it reaches the 3072K test.

    Any ideas?

  10. #10
    Join Date
    Sep 2008
    Posts
    990

    Default Re: Room for more performance: E7400 on GA-EP45-UD3P

    A little more VCore maybe. 9-10 hours stable is perfectly acceptable, in all likelihood the PC will never crash in normal operation then.
    What was your CPU temp after 1+ hours of prime and what program do you use to read them?

    Also, what VCore does CPU-Z report under load?

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