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Thread: GIGABYTE GA-EP45-UD3R Very Slow




  1. #21
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    Quote Originally Posted by itzamedave View Post
    Hello, My name is Dave and I have this new Mobo but I am using a C2D E8500 and have not had any problems OCing with this board and with over 10 years exp.building gaming rigs can say this is one of the best boards Ive used to date! as far as the cooler you asked about the answer is yes it fits very well and can be put in any direction without any issues what so ever and keeps my E8500@3.8ghz(1600FSB)@37c-60c 100%full load during intel burn test and thats at 1.3vcore! runs around 40-45c in most gaming like Crysis and FarCry2 max settings! as far as OCing I use manual FSB to 400mhz(1600) and set mem at 1:1 which is 800mhz and use EPP profile1 and set memery to extreme which sets my mem@800mhz 5-4-4-12 and is stable I'm using Gskill DDR2 1000@manual. 2.0v leave all other voltages on auto and it will be rock solid! also mine downclocks my mulitplier in windows to x6 from x9.5 during 2d apps which is nice and still runs @2.4ghz(1600 FSB)

    I see well thank you for letting me know all your tech info.

    I ordered the cooler but sadly wont get it till Monday. Will let ya know what I bench at temps wise once I get it installed.

    Thanks :)

  2. #22
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    So I just installed this new cooler and first...for anyone reading this there is it is PURE metal.
    I took electrical tape and put a small strip over each of the 4 legs to make sure no contact was made.

    Based off a 1.325v VID CPU its set to 1.280v based off CPU-z even though its set to auto @ 1.325v (anyone explain why bios says 1.325 yet cpuz says other wise? I have the energy saver disabled its running @ 266x9 idle)


    idle temps 30-27-23-26 and 1 hour 100% load 44-42-35-40 @ 21c Room without my 12inx12in lightly blowing in the case.

    Fan speed for idle is 800RPM where the high load fan jumps around 1000RPM-1050RPM. Max I think is 1500RPM whisper quite at 1000RPM

    stock was 36-34-30-33 idle and was like 60-58-52-59 and could continue to climb with a 12x12inch desk fan blowing inside I could cap it @ 55-56 on 100% load for 30 mins.


    So I tried to OC to 3.0ghz and I set my to 333x9 but the OC failed...rebooted a few times and told me it screwed up.

    Is it because the "auto" is not setting it to 1.325v and the 1.280v isn't enough juice to kick it to 3.0ghz?

    Also I set my memory to 5-5-5-15 and it says 800:800 in bios but in cpu-z it says FSB/DRAM 2:3 (shouldn't it say 1:1)

    Still a hell of a heatsink for 16 bucks. Does a wonderful job...now if I could only get my room to 100F I could really test it for summer use.
    Last edited by Twist86; 11-18-2008 at 09:11 AM.

  3. #23
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    Intel's design does that, it is called vdrop and vdroop from Idle to load the voltage will further decrease. This is to compensate for voltage jumps to keep your CPU from accidentally frying itself

    Ya, Auto you should for sure not use when overclocking. You should for sure find and set Vcore, and VTT and set Pll to stock manually as well. Auto uses way to much for those last too and often can be not enough for vcore

    Those are some good temps!

    You must use 2.00 multi to get a 1:1 ratio for your ram, so you must not be that is why you see that

  4. #24
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    Well I put 1.5 on the Pll I couldn't find VTT and I set vcore to 1.3v and it overclocked like a champ to 3.0ghz. I might raise to 3.2ghz depending on how prime95 goes.

    Question now my FSB/DRAM says 5:6 I set it to 2.40b to get 800/800 am I doing something wrong?
    When I set it to 2.0A or 2.0D I would get 800-667. I was under the impression you needed 800-800 to be 1:1


    So blue screened while updating the post dropped back to 266x9 for the moment.

    I dunno why but my vcore after setting it manually to 1.3v is showing 1.264v @ 3.0ghz and 2.4ghz.

    Screenshot of 2.4



    of 3.0



    Any idea what I am screwing up? My ram now back to 2.40B is showing 5:6 DRAM/FSB so this can't be good.
    Last edited by Twist86; 11-18-2008 at 06:56 PM.

  5. #25
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    Vtt is termination voltage right under Vcore

    There is no 2.55B, so I assume you meant 2.5 and there is no 2.50B either. B strap only has 2.00, 2.40, 3.20, and 4.00.

    To get 1:1 all you need to set is 2.00x and it will be 1:1 with your FSB. Meaning if you have 500 FSB your ram will be 1000 (500 x2 1:1)

    You want to use 2.00B

  6. #26
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    I see well I updated my thread I think before you replied....I went to bios and got all the facts straight.

    Will try again and let ya know how it fairs with 2.00b

  7. #27
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    That voltage drop is by design per Intel it is called vdrop (What you get in windows at idle compared to what you set in the BIOS) and vdroop what you get from idle to load is another drop. All designed to save your cpu from voltage spikes. All normal

    If 2.00 anything is giving you 667, you need a higher FSB (Like it has to be 400 to get 800 out of 2.00)

    2.00x at 333 FSB will always be 667, so you have to either use 2.40B for 800 or raise your FSB

  8. #28
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    I see it is now 800-667 and 1:1 so I think that was my issue.

    If its good lemme know going to start prime95 see if I can bluescreen again ^-^
    Last edited by Twist86; 11-18-2008 at 07:17 PM.

  9. #29
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    800 on the left is default speed. 667 on the right is actual. So you want to either raise your FSB or use 2.40B multi for 800Mhz ram speed as you are only running 667 now

  10. #30
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    Default Re: GIGABYTE GA-EP45-UD3R Very Slow

    how to raise FSB then? 2.40b = 3:2 since that's what I was at before. 800-800.

    I got a error on my core 2 again so that might be why

    FATAL ERROR: Rounding was 0.484375, expected less than 0.4
    Hardware failure detected, consult stress.txt file.

    shame it doesn't make a stress.txt file.


    First error was this so it seems like chaning the ram did something (same core)
    FATAL ERROR: Rounding was 0.5, expected less than 0.4
    Hardware failure detected, consult stress.txt file.
    Last edited by Twist86; 11-18-2008 at 07:31 PM.

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