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Thread: X79 UD7 + Xeon E5-2680




  1. #1
    Join Date
    Apr 2012
    Location
    Milan - Italy
    Posts
    2

    Question X79 UD7 + Xeon E5-2680

    Hi all,


    I've bought Gigabyte x79 UD7 to use with an Intel Xeon E5-2680 stepping C1 ES (that now is in customs)
    It have 8C/16Th @ 2700MHz. Default max multipler 27 and with turbo boost 31x to all eight core.


    This morning I read that with all board x79 there are and issue that don't permit to modify the clock multi. It seem lock to 1.00x and it don't recognized 1.25x and 1.67x.


    I have a question about this: Is it and bug of actual bios or this feature there isn't in Xeon CPUs?
    Is there a way to overclock E5 xeon cpus?

    Thanks to all!!!

  2. #2
    Join Date
    Apr 2012
    Location
    Milan - Italy
    Posts
    2

    Default Re: X79 UD7 + Xeon E5-2680

    Hi all,

    The person that have sold me my ES, that have a lot SB-EP stepping B0, C0, C1 and C2 told me that with Asus mobo after setting blck multi the system don't want boot.
    With Gigabyte and MSI seems that the multipliers are equal to 1.00x but with latest bios all OEM have introduct official support to SB-EP.
    With version F10 the UD7 support 2687W and 2690 and with beta F11 the list grows.

    I've discovered that blck multi aren't locked but must be correctly manage by Bios (in fact seems that with EVGA SR-X the overclock work very well)

    Someone know other about these?
    { Thermaltake Element S @ full Scythe fan }{ Corsair 750TX }{ Intel Core i7 2600K @ 5.0GHz @ 1.400v RS ES stepping D1 batch L028B052 }{ Corsair H80 @ double Scythe ULTRA KAZE 3000RPM }{ ASUS MAXIMUS IV GENE-Z }{ 8GB Carsair VENGEANCE @ 1866MHz }{ SLI MSI GTX560 Ti Twin Frozr II @ 950/1900/4500 @ default volts }{ Corsair Force GT 240GB }{ 2x RAID1 Western Digital Caviar Black 1TB } - coming soon SandyBridge-EP E5-2680 8C/16TH ES C1

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