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Thread: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ




  1. #11
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    Well good luck tweaking and tinkering around, let us know if you need anymore help

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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    I think the key is stability. Achieving a good overclock that has stability is important. Yes, I agree with you with reference to performance. It's like an overclock of 3.4GHz and 3.6GHz. How much of a performance gain will be noticed by the user? Not much, but a difference it might show up in a benchmark.

  3. #13
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    You are right, not much difference there really, only in benchmarks, and of course the 3.4 would be easier to get stable at lower voltages.

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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    With reference to the DRAM voltage, according to the packaging, G. Skill F2-6400CL5D-8GBPQ, the maximum voltage is 1.9, but the BIOS does not show a change in color, pink, until the DRAM voltage is set at 2.1. My guess is this memory has a voltage range of 1.8 - 2.08V. After that, it's bye bye. LSD, Nickel, and anyone that ventures here, enjoy the Memorial Day festivities with family and friends.

    Right now the DRAM Voltage setting is 2.02 V.
    Last edited by ill; 05-29-2010 at 10:58 PM. Reason: additional info

  5. #15
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    my gskill memory.like a lot of it is rated to need 1.8-1.9v for its max speed.However it" has been and allways will be your friend" :0 up to about 2.25 anyway.
    The bios has 2 colour codings purple for 2.1-2.28 and red for 2.3 and above.You have doubled your ram capacity ,and hence from posts of old .you may have to clock things back a little since all the sticks arent matched.
    Just like you can get better sys performance on a 1g stick compared to 2x1g sticks or then 2x2 G sticks etc.
    http://forums.tweaktown.com/f69/q840...igh-fsb-37179/

    nb 900mhz or 450cpu ref is the 4 4-4-12 practical limit for 2x2G of my gskill memory at voltages under 2.2v.there is another 100mhz using standard 5-5-5-15 timings to 1000mhz approx.
    Last edited by kick; 05-30-2010 at 08:35 AM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  6. #16
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    All DDR2 is safe up to 2.1V, this is a must according to JEDEC Specifications which all manufacturers must follow.

    Although you warranty my not be safe past the rated voltage, if it dies and they prove you used more, but that normally would take 2.3+ to do any damage.

    You will be fine using 2.0-2.1 if need be

  7. #17
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    Quote Originally Posted by kick View Post
    you may have to clock things back a little since all the sticks arent matched.
    Yeah, I realized that a while back, but not wanting to give in so easily, I forged ahead. I've been bouncing all over trying get these two sticks stabilized with an overclock of 3.4. Stubbornness kept me from backing down. Last night, out of frustration, I took out the two sticks and put in 4 sticks. They're 4 x 2GB G Skill PC2-6400CL5Q-8GBPQ. While watching a movie, gone. Display went black, beep codes began as machine cycled between stop and start endlessly. @ 1AM, I'm replacing the 4 sticks with the proven 2 sticks 2 x 2GB G. Skill to finish the movie. Afterward, the 2 sticks of PC2-6400CL5D-8GBPQ goes back in. Now I'm thinking something below a 3.4GHz overclock. I figure it will be more like 3.2GHz. It's my fault for not jumping on the PC2-8500 when I had the opportunity. Knowing the DDR3 were selling and that the DDR2 availability would, eventually, dry up. It has and I'm stuck with what I have. Hey, there's always a next time. Can't wait too long, one can run out of those when it's time to pass on.

    The frustration came as a result of Prime95 x64. Every time the program ran the third worker, representing the third core, would never get to the fourth test. I was getting tired after two days of this. I decided I'd rather watch a movie and then go to bed. Well, you read about the movie. I was watching the Disney movie "Prince of Persia. Gr8 copy. The movie was gr8 too.
    Last edited by ill; 05-31-2010 at 01:56 AM.

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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    Quote Originally Posted by Lsdmeasap View Post
    All DDR2 is safe up to 2.1V, this is a must according to JEDEC Specifications which all manufacturers must follow.

    Although you warranty my not be safe past the rated voltage, if it dies and they prove you used more, but that normally would take 2.3+ to do any damage.

    You will be fine using 2.0-2.1 if need be
    That didn't help the 4 x 2GB sticks I put in. They were running 1.94v when they went bye bye. Maybe, it was because I was using all four DIMMs. I don't send back anything that I have damaged. Like the sticks I damaged this morning, I throw them in the garbage. I never play the game. Not worth getting busted for nonsense. One loses credibility with the companies that way.

    Remember the line that Captain Kirk used about too much LDS?
    Last edited by ill; 05-31-2010 at 07:46 AM.

  9. #19
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    Now that I think of it, the memory may still be okay. I was so tired when I did this that I'm not sure what I did, but I may have lowered the tRFC to much causing the machine to cycle beep codes and not POST.
    Any way still having issues and may have to post the settings to achieve some sort of stability.

  10. #20
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    Default Re: EP45-UD3P rev1.0: Upgraded Memory- Aaarrhhh! G. Skill F2-6400CL5D-8GBPQ

    1.94V would not have killed the sticks, they must have been already partially faulty.

    No, what did Kirk say about it? Or do you mean that parody video?

    If you are getting many multiple fast beeps that almost always is tRD value set to low

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