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  1. #1
    Registered
    Join Date
    Dec 2007

    Raising FSB but Memory speed jumps as well

    Hello

    I am starting to oc my system and when i start to raise the FSB it also raises the memory speed. The memory speed by default is 800mhz - when i raise the FSB to 400 it then adds 100 to the speed of the memory. My only option is to set the memory speed manually to 750 which is 50mhz lower then stock. Im sure this is a easy answer but any advice would be great.


    P.S. i am trying to oc one thing at a time - i dont want to get into raising voltages at the moment.
    Cpu: Intel i7 920 D0 @ 4.2Ghz
    Cpu Cooling: Corsair H50
    PSU: Corsair HX850W
    Monitor: (2) 23" HP W2338H 1080 Monitors
    OS: Windows 7 X64
    Mobo: Asus Rampage 2 Extreme
    Memory: Corsair Dominator DDR3 1600 6GB
    Video: Radeon HD 4890 1gb
    Hard Drive(s) (2) 1TB WD Black - Raid 0 -
    Case: Antec Nine Hundred Two
    Cooling:(3) Xigmatek 120mm fans (74cfm ea.)

  2. #2
    Member BLOOP!'s Avatar
    Join Date
    Feb 2006
    Location
    Los Angeles, CA
    You need to set your mem divider to 1:1. In the BIOS press Ctrl+F1 in the main BIOS screen to have access to the memory related options.

    SYSTEM:
    ASRock P67 Extreme4 Gen3 - Intel i5 3570K @ 4.6GHz
    Corsair Vengeance DDR3 2 x 4GB
    MSI 7950 Twin Frozr 3GD5/OC 3GB - HP 2311xi 23" IPS
    Intel 520 Series 180GB SSD
    Creative Sound Blaster X-Fi XtremeMusic - Logitech Z-5500
    Corsair HX620W

    CASE & COOLING:
    Swiftech Apogee - MCP350 + Swiftech MCR320-DRIVE REV3 Triple 120
    NZXT Switch 810 Black

    Mobile: Lumia 920 - Surface RT - Yoga 13

  3. #3
    Member RangerXLT8's Avatar
    Join Date
    Oct 2004
    Location
    Asheville NC
    Quote Originally Posted by BLOOP! View Post
    You need to set your mem divider to 1:1. In the BIOS press Ctrl+F1 in the main BIOS screen to have access to the memory related options.
    Wait I had that MB and for 1.1 with PC6400 memory you want to set the mem ratio thingy to 2.0.
    Core 2 Xeon 3210 Quad Core 2.4GHz
    Gigabyte EP-35C-DS3R
    Patriot Viper DDR3 4GB 6-6-6-20
    ATI HD4870 512MB
    OCZ Vertex 2 120GB
    2x150GB Raptors
    1x320GB Western Digital HDD
    LiteOn DVDRW
    Heatware 44-0-0

  4. #4
    Member BLOOP!'s Avatar
    Join Date
    Feb 2006
    Location
    Los Angeles, CA
    YEs, 2.0 is the 1:1 divider on gigabyte boards.

    SYSTEM:
    ASRock P67 Extreme4 Gen3 - Intel i5 3570K @ 4.6GHz
    Corsair Vengeance DDR3 2 x 4GB
    MSI 7950 Twin Frozr 3GD5/OC 3GB - HP 2311xi 23" IPS
    Intel 520 Series 180GB SSD
    Creative Sound Blaster X-Fi XtremeMusic - Logitech Z-5500
    Corsair HX620W

    CASE & COOLING:
    Swiftech Apogee - MCP350 + Swiftech MCR320-DRIVE REV3 Triple 120
    NZXT Switch 810 Black

    Mobile: Lumia 920 - Surface RT - Yoga 13

  5. #5
    Registered
    Join Date
    Dec 2007
    thanks - it is worded differently in the bios - i was looking for something that looked like

    1:1 etc .
    Cpu: Intel i7 920 D0 @ 4.2Ghz
    Cpu Cooling: Corsair H50
    PSU: Corsair HX850W
    Monitor: (2) 23" HP W2338H 1080 Monitors
    OS: Windows 7 X64
    Mobo: Asus Rampage 2 Extreme
    Memory: Corsair Dominator DDR3 1600 6GB
    Video: Radeon HD 4890 1gb
    Hard Drive(s) (2) 1TB WD Black - Raid 0 -
    Case: Antec Nine Hundred Two
    Cooling:(3) Xigmatek 120mm fans (74cfm ea.)

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