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Thread: GA-EP45-UD3P - Won't boot with 450FSB




  1. #601
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    They are not binned as tight, meaning better and better modules go into some 1066 sticks without extensive testing to bin out the ones that only reach spec and using those. Some companies toss in very nice chips and don't really test them so much as they know they will work fine, others test and re-test until they narrowed down the chips that just barely do spec and use those.

    Product binning - Wikipedia, the free encyclopedia

    Also see here for speed binning, the process I mention
    What is process of "speed bin"? - Overclockers Forums

    This also applies to CPU Silicon as they are all made from the same silicon, those that test better get labeled as the better CPU's in the series. Such as 8400, 8500, and 8600 CPU's, all the same but the 8600 are the ones that binned better so they are labeled and sold as such

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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    I am aware of the way they make CPUs of same type. It's slightly surprising with memory modules though. I thought, based on rather big difference in frequency, that the faster modules are manufactured a bit differently. What about say ~1300MHz modules, or whatever the fastest DDR2s are?

    The bloody A-DATAs should be really ****ty.

  3. #603
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Some of them are, but most often not. Normally they are just binned/tested to perform at said speeds/timings/voltages.

    Same applies to DDR1200 and such, but yes there is some that may be made specifically different to run a higher speeds or lower voltages but not very often.

    Manufactures just buy a HUGE lot of IC Chips, then test them all one by one and bin them as they go into certain Freq bins

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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    On a side note, do you have any link about synchro vs asynchro mode? I googled a bit but couldn't find anything useful. Having a conversation with a dude elsewhere and realized I can't explain the deal to him clearly enough :)

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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Just the explanation of memory synchronous with FSB approach...

    edit: yeah, the 3rd link is pretty much the stuff I mean :)

  7. #607
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Note that that article was written in 2006. I confess I've not read it but I assume it refers to DDR not DDR2 or 3 and on P4/AMD Athlon 64 systems. Since then, much has changed. We're at the point where it really doesn't matter if you use an asynchronous multi.

    I can confirm that even on my Athlon 64 X2 it made some difference. I had to run the RAM at 166 base (ie when the FSB is 200 the RAM is 166 so 201 FSB = 167 RAM etc) to get my RAM to DDR 500 and max the CPU too. The performance difference wasn't noticible in real world but there wasn't as big a performance increase running DDR500 that there would have been if I could have gotten DDR-500 at 1:1.

    It seems that lots of people are still believing it makes a difference. It doesn't any more.

    I also have experience with exceptional RAM IC's. I was lucky enough to get hold of 2x1GB of "fat body" Micron D9's. They were sold as DDR-667 4-4-4-12 and were capable of just short of DDR-1200 at 2.2V.

    With CPU's you may also find that E8xxx series CPU's with faulty cache will have enough cache isolated to turn them into for example an E7xxx series. They then have their multi locked to the correct figure and are re-stamped. This also gives flexibility. If intel finds that E8600's aren't selling and they have more demand than they can fill on E8400's they'd not hesitate to take the E8600's back in and trim the multiplier down. After all they all cost the same to produce.
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Quote Originally Posted by Psycho101 View Post
    After all they all cost the same to produce.

    Ya, about $40 likely

    If that

  9. #609
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Yeah baby!
    CPU is stable as well!
    Time to fine-tune the whole thing!

    [Aug 25 19:36] Torture Test completed 1590 tests in 29 hours, 1 minutes - 0 errors, 0 warnings.
    [Aug 25 19:36] Worker stopped.

  10. #610

    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Your having better luck than me, I might just sit back and wait @ 500x8.5 until you finalise your setup

    Whats your current template btw?
    * CPU: Intel i7-3770K @ Stock * Cooling: Corsair H80i / Noctua NF-F12 x2 * MoBo: Gigabyte GA-Z77X-UD5H (Rev. 1.1 - BIOS F16 Mod16) * RAM: Crucial 1600MHz DDR3 32GB (4x8GB) *
    * GPU: Intel HD 4000 (768MB) * Mon 1: Dell U2410 (A07) * Mon 2: Panasonic TX-P55VT50B * Cam: Logitech C910 HD * BD: Pioneer BDR-208DBK * HD 1: Crucial SSD M4-CT256M4SSD2 256GB *
    * HD 2: Western Digital Caviar Green 3TB * IR: Apple Infrared Board 922-7195 * WiFi & BT: Apple Broadcom BCM94360CD (802.11 a/b/g/n/ac - Bluetooth 4.0 * PSU: Seasonic M12 - 600W *

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