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Thread: How to overclock E8400 on Gigabyte




  1. #1
    Join Date
    Mar 2009
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    Texas
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    Question How to overclock E8400 on Gigabyte

    Hello guys and thanks for your time. This is my first time overclocking and i cant wait! Can someone let me know the bios settings to set my E8400 to 3.6Ghz?I really don't want to take it to 4.0Ghz yet since its my first time =) Here is my set up.


    Motherboard: GIGABYTE GA-G31M-ES2L
    Intel E8400 3.0Ghz
    Artic Cooling Freezer 7 Pro
    G Skill DDR2 800Mhz (F2-6400CL5D-4GBPQ)



    again! thank you so much for your time =)
    Last edited by shinraorg; 03-01-2009 at 12:12 PM. Reason: title

  2. #2
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    Default Re: How to overclock E8400 on Gigabyte

    1. Decrease memory multiplier to minimum allowed...usually 2.0

    2. increase the fsb value slowly until you reach 3.6 ghz...that would be 3600/9 = 400FSB.

    Voltages should not be changed...leave at around 1.2V or less ifu can get it stable with a lower value.
    Asrock P55-Extreme
    Core I5 @ 3.2GHZ
    2x2GB G.skill Ripjaws DDR3 1600
    ASUS HD5850
    1TB Samsung SATA II
    Corsair TX650W PSU

  3. #3
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    Default Re: How to overclock E8400 on Gigabyte

    Thanks a bunch Will Try that =) Any other settings i have to change? PCI express Freq?

  4. #4
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    Default Re: How to overclock E8400 on Gigabyte

    Set your PCI express Freq to 100 manually.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  5. #5
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    Default Re: How to overclock E8400 on Gigabyte

    OK done! only one question on Computer panel properties shows E8400 @ 3.00GHz 3.60GHz??? Does that mean only one core is at 3.60Ghz?

    Is it suppose to show E8400 @ 3.60GHZ 3.60GHz???

    I run CPUz and it shows it at 3.0ghz.


    Thank you.

  6. #6
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    Default Re: How to overclock E8400 on Gigabyte

    I take it you using vista? No it doesnt mean only one core is running at 3.6 it just shows what the chip is ment to be and what it is. Mine reads E8500 @3.16ghz 3.8ghz but CPU-Z and real temp 3.0 also show it @ 3.8 400X9.5 if your CPU-Z says 3.0 then something may not be right. Get real temp 3.0 and see what it says? On a nother not for some reason in my computer properties it used to show E8500 @ 3.16Ghz 3.8Ghz even when I was running it @ 3.6Ghz 400X9. DOnt know why but everything else was saying 3.6.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  7. #7

    Default Re: How to overclock E8400 on Gigabyte

    no, it's a 3.0 chip....running at 3.6

    Right now I'm running a 3ghz P4 @ 3.45 and it shows up similarly to what you just described.

  8. #8
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    Default Re: How to overclock E8400 on Gigabyte

    Quote Originally Posted by Kalm_Traveler View Post
    no, it's a 3.0 chip....running at 3.6

    Right now I'm running a 3ghz P4 @ 3.45 and it shows up similarly to what you just described.

    this has just made me realise that he could be talking about the specifications line in cpu-z, it will always say what the cpu is out of the box. look at the core speed to see what the actual clock speed is when overclocked.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  9. #9
    Join Date
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    Default Re: How to overclock E8400 on Gigabyte

    Cool yea CPUz does show current speed @3600Mhz once i start doing a couple of tasks . The temp is still the same at idle =) 37C

  10. #10
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    Default Re: How to overclock E8400 on Gigabyte

    Oh I see, You have the throttling enabled in the BIOS Still, yeah at idle it lowers the Multi. You should probably disable this as it may cause an unstable overclock. Some people get away with it on but the majority turn it off. The two options in the BIOS you need to disable are CPU EIST function & CPU Enhanced Halt (C1E). This is a good read. http://forums.tweaktown.com/f69/giga...g-guide-26112/

    p.s 37 at idle is very acceptable.
    Last edited by NimrodAUS; 03-05-2009 at 02:38 PM.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

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