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Thread: Multiplier forced to 6x on EP45-UD3R (should be 9x)




  1. #11
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    Try F3 BIOS and make sure that it does actually flash properly? Does that board have Qflash?
    Lian Li PC-7F Chassis Black
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  2. #12
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    If it were the PSU then why hasn't he reported crashes in Windows? Load would certainly strain the PSU much then.
    And I'm sure he has a low end video card. No way the PSU could cause this and not also cause a crash in games when a power hungry video card is installed.

    Edit: The PSU is actually pretty decent for 350W, 25A on 12V, and Antec usually delivers its specs.
    Antec.com - SP 350 Specsheet
    Also note that there are 15A dedicated to the CPU:
    Antec - SP-350

    12V1 for Motherboard and peripherals; 12V2 for processor
    So the specs are good enough, and if it were defective then it doesn't make sense that the PC works at a multi of 6x.
    Last edited by Nickel020; 02-19-2009 at 07:11 PM.


  3. #13
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    EIST and C1E should be disabled. Has this been corrected?

    What BIOS are you using, and have you loaded optimized defaults for this setup/BIOS yet? If not, you must load optimized defaults and save/apply/reboot anytime you install a new CPU or anytime you flash the BIOS

  4. #14
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    EIST is off, about C1E I'm not sure, but the post screen already shows the lower multi, so I don't think this has anything to do with C1E/EIST.
    He cleared CMOS several times.
    And he tried several BIOS revisions
    BIOS F6 (tried F4 & F5 also)
    To me this sounds like a defective board. I don't see how the PSU or RAM could cause this.


  5. #15
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    The thing is, I had the same problem. For some reason my BIOS would always show the multiplier at 6. If I went into windows and ran cpu-z, eventually it showed my multiplier at 9. I hope there's nothing wrong w/ my board also. I had to set my cpu voltage at 1.2 (default was at 1.1) and I upped my dram voltage also. The multiplier in BIOS right now still shows at 6 but in windows it goes up to 9. I checked using cpu-z, core temp, real temp, and in Orthos.

    I also have C1E and EIST disabled.

  6. #16
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    Quote Originally Posted by Nickel020 View Post
    You can also try other multipliers, 400x 7.5 also gets you there (if those aren't also being reset to 6).
    All multipliers from 6x - 9x are available and selectable in the BIOS. Upon reboot (after saving BIOS changes) the MB reverts back to 6x everytime. Previously everything was fine at 9x333 no problem. Only other thing I can mention is that it coincided with the upgrade of my fanheatsink (Arctic Cooler Pro 7) as best I can remember. Maybe I knocked the CPU power conn from PSU to MB loose. I wil check when I get home from work.

    BTW, this same PSU was used in my AMD 64 X2 4200+ which uses more power than the 45nm E8500. Outside of that, and the MB & mem, all other H/W is the same. I did however add an extra PCI/IDE ctlr card as well. I will try removing that as well as the optical drives just to lighten the load on the PSU. I do not game with this PC, it's only used for video encoding which means both cores will be pegged 90 - 100% for sometimes 48 hours straight. So I need it to be fast and stable.

    Quote Originally Posted by acarcia81 View Post
    I had this problem earlier. My mobo wouldn't allow me to go passed 6x multiplier. No matter how much I changed it, it would always go back to 6x. This is what I did to fix it. Hopefully it will work for you too.

    1) Disabled C1E and EIST
    2) Upped my CPU Core voltage from 1.1->1.2
    3) Upped my DRAM voltage from 1.8->2.1

    By doing this, I'm now able to OC my cpu (E8500) to 3.6 GHz. Ran multiple stress tests and it seems to be stable.
    Thanks for the tip. Tried these settings with same result unfortunately. Rebooted and forced to 6x. Very disappointed in this MB so far. Brand new and not very useful to me... Although it seems to run fine/stable at 6x in WindowsXP (@ 2GHz)

    Quote Originally Posted by NimrodAUS View Post
    Try F3 BIOS and make sure that it does actually flash properly? Does that board have Qflash?
    Yes I have flashed and used F4, F5 and F6 BIOS versions (not to be confused with the 'F' keys). Qflash is a very easy program. Works great. No solution to my problem though.

    Quote Originally Posted by Lsdmeasap View Post
    EIST and C1E should be disabled. Has this been corrected?

    What BIOS are you using, and have you loaded optimized defaults for this setup/BIOS yet? If not, you must load optimized defaults and save/apply/reboot anytime you install a new CPU or anytime you flash the BIOS
    As of now C1E is disabled. Please read original post regarding EIST and BIOS info. I have spent hours playing with the BIOS of course saving everytime. That is what is so frustrating; everytime I make the change, it is forced back to 6x on POST/boot. This did not always happen.

    Quote Originally Posted by acarcia81 View Post
    The thing is, I had the same problem. For some reason my BIOS would always show the multiplier at 6. If I went into windows and ran cpu-z, eventually it showed my multiplier at 9. I hope there's nothing wrong w/ my board also. I had to set my cpu voltage at 1.2 (default was at 1.1) and I upped my dram voltage also. The multiplier in BIOS right now still shows at 6 but in windows it goes up to 9. I checked using cpu-z, core temp, real temp, and in Orthos.

    I also have C1E and EIST disabled.
    The change (you may already know) in CPUZ that you are seeing is the CPU throttling from 2 - 3 GHz. EIST being disabled is supposed to prevent this (Enhanced Intel SpeedStep Technology) curious you are seeing this still.

    I wish this was the problem I was having. I am aware of this technology and what it can do, unfortuntely my CPU is forced to 6x without the ability to throttle up. The setting in the BIOS under EIST for the clock ratio defines the maximum multiplier for the bus speed.

    It seems I am just resigned to a defective MB. My first Gigabyte. Too bad it is a negative experience. Any other socket 775 M/B recommendations that offer the O/C ability that the Gigabytes do? I really wanted this board to work out for me.

  7. #17
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    Funny, this started happening to me when I changed my fan also. Anyways, try changing settings in the BIOS (cpu voltage, multiplier, ddr voltage and fsb), don't go back to the BIOS after the change, let it boot all the way to windows. Go to Control Panel -> System and see what it reads the cpu @. Mine shows E8500 @ 3.16 3.81 GHz (Since I OC'd).

    Here was my post in the gigabyte forum of toms hardware. Hopefully this will help you as well.

    EP45-UD3R Won't Save CPU Clock Ratio and Fine CPU Clock Ratio

  8. #18
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    When you say "changed your fan", do you mean changed your CPU cooler from the one that comes in the Retail Intel box with an "aftermarket" cooler?
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  9. #19
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    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    Quote Originally Posted by VorLonUK View Post
    When you say "changed your fan", do you mean changed your CPU cooler from the one that comes in the Retail Intel box with an "aftermarket" cooler?
    Sorry, I meant changing the CPU Cooler.

  10. #20

    Default Re: Multiplier forced to 6x on EP45-UD3R (should be 9x)

    What are your temps, its possible that the pushpins are not fully seated so it downclocks to 6x. Please check in pc health in bios to see the idle temps.

    Also on the PSU, well its used so its always a consideration. How long have you had it.
    New Q9650, Gigabyte UD3P, 4GB OCZ Platinum, Asus TOP 4850, Antec TP3 550W, Vista 64 SP1/XP SP3.

    http://www.cardomain.com/ride/2641801

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