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Thread: GA-EX58-UD4P Settings Question




  1. #51
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    Default Re: GA-EX58-UD4P Settings Question

    I just lowered them back and now retesting. At load (HT on, all cores @100% load) the vcore in CPUZ is 1.20v, can't complain about that.
    This is a dedicated "Cruncher" so it will not see idle time while running so no "C1E" state. It is testing now Prime 95 again to see if it can handle a little higher ambient.
    Thanks for all your help.
    SiG

  2. #52
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    Default Re: GA-EX58-UD4P Settings Question

    just wanted to add tht you can use balanced power saving profile in windows7 power options,it will do the same job as c1e, lower it at idle but not at load and it wont affect your overclock and stability but it will reduce idle temps alot
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  3. #53
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    Default Re: GA-EX58-UD4P Settings Question

    @LSDMEASAP

    I am currently clocked at 4.20 GHz (21 x 200 BCLK), on air. Extremely stable, and low voltages/temps.

    I am aware of a thread on another board (in which you are one of the participants), where peeps are modding the UD4P to be able to push the BCLK to ~235. See BCLK 235 / PCIe 130 with GIGABYTE MB - XtremeSystems Forums. Apparently, to be able to push the BCLK above 220, you need to also be able to increase the PCIe above 103 and, due to a defect in the board, you can only achieve that if you relocate a 1K resistor.

    My question to you is whether this mod is valuable to someone cooling via air?? What is the practical advantage of upping the BCLK and lowering the multiplier (yes, it will up the clock rate of the RAM, and yes it will up the QPI link speed, even if the ultimate CPU speed is relatively unchanged).

    I haven't tried to take the BCLK above 200, but it certainly appears that it can go somewhat higher, even with the present 21x multiplier (though I would be surprised if I could go above 4.4 GHz on air).

    Another possible tweak to my current settings is to increase my Uncore multiplier from 16 to 18.

    My current settings can be found at GA-EX58-UD4P Settings Question

    Comments? Thanks.
    Gigabyte GA-EX58-UD4P rev 1.0; F14q (mod) BIOS
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  4. #54
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EX58-UD4P Settings Question

    It works and is fairly hard to do, I was able to get 239 Bclk on dry ice, I think 229 on water - but not stable for daily use.

    So valuable on air no, not really. I'd only advise it if you want to push on water or extreme cooling (Dry ice Ln2).

    It's not worth the risk of you killing your board for a few more Bclks on air. With your temps and voltages you can probably do 210-220 without much hassle, if you wanted.

    As you mentioned you would probably not be able to go past 4.4 or so meaning if you wanted higher Bclk you probably would need to lower the CPU multi to x19

    Bclk isn't like FSB, so more doesn't really increase anything performance wise over user a higher Multiplier.
    For unlocked procs, what provides better performance high cpu multi or high bclock? - Page 4 - XtremeSystems Forums

    Higher uncore always helps, so yes increasing that would improve performance if you keep it stable.

  5. #55
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    Default Re: GA-EX58-UD4P Settings Question

    @LSDMEASAP

    Thanks for your response. Very helpful.
    Gigabyte GA-EX58-UD4P rev 1.0; F14q (mod) BIOS
    Core i7 920 rev D0 (batch: 3849B203) @ 4.2 GHz
    Thermalright Ultra-120 eXtreme-1366 RT
    OCZ 6GB 1600MHz CL7-7-7-24 DDR3 (OCZ3P1600LV6GK 3x2GB)
    Samsung SSD 830 - 128 GB
    Sapphire Radeon HD4770 512MB
    LiteOn iHAS422 & iHAS424
    BFG LS-550 (single 12v rail)
    Windows 7 Ultimate (x64), SP1

  6. #56
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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