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can not OC at all


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i just bought a new DFI motherboard and a brand new eVga video card, specs are in the sig, anyways i can not OC at all, i just set up the system yesterday (03/06/06) and i had a hard time trying to burn it in. my friend told me to burn it in by priming over night, it never primed stable, it had a rounding error after 3 hours. someone please help me!

 

my goal is to reach : 11x250mhz @ 2-2-2-6 @ 3.5v

 

i just had my ram RMA from OCZ 2 months ago, so i dont know what is wrong with the system, i will try to put in my old muskin pc3500 ram tonight to test it, (my mushky loves voltage too, have it running 10x250mhz on my 3000+ (s754 on dfi nf3)...!)

 

any help would be aprecciated

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i forgot to mention that i have tried a lot of things, 4v jumper is enabled, i try to bump the voltage on the cpu, and the vdimm and niether was stable, i also tried to use the orange slots, and then the yellow slots, and that didnt work either. will check back tomarrow, good night guys

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yes sir, i have been using stock everything, i was able to overclock the ram up to 250mhz@[email protected] and cpu voltage of 1.475, it memtested stable for over 9 hours, this morning before i left my house i raised the vdimm up to 3.4v and up the fsb up to 260mhz, and i am still memtesting it, i know my ram is only rated at 250mhz, but i dont know what else to do for now...

 

anyways the only time it can boot into windowws is when i have stock everything, stock cpu voltage, stock vdimm, 200mhz, and at stock timmings of 2.5-3-3-7

 

if i change anything just a slight bit higher it has that windows xp screen with the bar sliding horizontally, and before it can finish and go to the welcome screen, it turns into a blue screen and somewhere at the bottem i see that it says "phsycial dump of memory begginning" or something along those lines, im sure all OC enthuisasts have seen and despised this horrible screen.

 

im starting to think it will be the motherboard or cpu

 

on my prior setup i had an Abit Av8 mobo, and i was able to clock it at 11x236mhz @ 2.5-3-3-7 stable, and it primed and memtested stable, the only thing that was holding me back was my mobo because it was not able to put out any vdimm higher than 2.8v

 

im gonna stop bugging now

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so if you keep everything at stock and just up the cpu voltage to 1.5v or anything else for that matter, it gives you the problem? or if you up the chipset voltage a notch it will crash?

you cant change ANY setting at all?

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i can up the cpu voltage up to 1.45 and it will boot only if everything else is on stock settings, i never tried bumping the chipset voltage, i dont see why i would need to.. i cant change anything except the cpu voltage to 1.45 and the vdimm to 2.8v, but even then it will not prime stable in windows, lets just say it doesnt boot with any settings except for stock and if it does boot it doesnt prime stable

 

i can see in your sig that you have a 3700+ which is if not identical, similiar to my cpu, i hope that i can reach what you have (2.915ghz)

 

will check back in 2 hours

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Yes you dont need to bump the chipset voltage..I just asked that see if ANY change will make your system crash...

ok... why dont you start from the beginning.. check if you can prime and memtest at stock..? That way you can make sure your cpu and memory are not defective...if you cannot prime at stock, then there is something definitely wrong with your components... at this situation I think thats your best option...

Do you get a error in prime or does it just freeze.. did you try SuperPI?

If you cant pass SuperPI at stock, I would say re-install WIndows again...I mean its highly unlikely a rig will fail prime at stock unless the components are bad...

Just a suggestion...why dont you un-install and install prime again and see...

Also why dont you up the LDT and chipset voltages a notch a see..it wouldnt hurt.. just a thought..

Good luck bro...

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yeah it always failed prime95 even at stock settings, at stock default settings it would fail prime at about 18 hours into priming.. so a friend told me to take out 1 stick of ram, and my problems were solved, one stick boots up at 250mhz @ 2-2-2-8 @ 3.2 volts, and the other stick doesnt boot at all, i find that to be extremely strange because this is a matched pair directly from the OCZ RMA center.. so i guess i recieved an RMA for bad ram... i have my pc priming at home as we speek at school right now, i will get back to you tonight

 

i also try downloading 2 other versions of prime95, and i still got errors 10 or 15 hours into priming at default stock settings, so if i go home today and my 1 stick of ram prime stabled for 10 hours or so, i will drop in the other stick of ram tonight and prime the other stick, most likely its because i got bad ram...

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ok so update you, one stick of vx memory can push about 260mhz on memtest and prime stable for over 10 horus each, the other stick can only boot into windows at default of [email protected]@3.2v, and i try playing with the timings, voltages, and even the frequency, nothing has worked, i e-mailed marcus at ocz tech. ask asked for his help again, because he helped me the first time with my RMA

 

ocz does make great ram, but this is my 2nd pair of RAM from OCZ, that i ahve been though.... thank god their customer service is 15 stars outta 10, or i wouldve went back to mushxx redline instead

 

its hard to love a ram that is not consistantly performing, anyways my system is running at 255mhz@[email protected] , but only 1 stick of 512 vx prime/metested stable for over 12 hours

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Are you actively cooling your ram? I have PC3200 VX that I run @ 255MHz @ 3.48V @ 2-2-2-8-T1. This is my normal 24/7 settings. It has run this way in my SLI-D as long as I can remeber. I keep a 120MM fan blowing over them at all times. Also, try the 704-2BT bios, worked wonders for my rig.

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yes sir, i have a 120mm thermaltake side case fan blowing on my ram, also, i have a thermalright xp120 cpu heatsink, it covers directly over one of the sticks of ram, and eve at 1.6v to the cpu, on full load, my cpu never exceeds 49 degrees, so im pretty sure all my cooling is doing ok, i been playing with my two sticks of ram now, and i think one stick is glitchy, and other is fine, one of the sticks is lagging like all the time, right click laggs, and applications take so long to open, i give up and im forced to restart, im ashamed to say my 600mhz celeron (dell) with 2x128mb sdram runs faster than my rigg (im using it to post this right now)

 

well im still trying to get another pair of ram RMA

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  • 4 weeks later...

lol i forgot to update, anyways i got my 2nd pair of vx ram replaced, since they didnt have any more vx, they offered me a pair of ocz 2x512mb pc4800 elite edition (ddr600) 2.5-4-4-10

 

however my current setup is only running at:

 

11x260mhz @ 2.5-3-3-8 @ 2.9v @ 1.55v cpu

 

anyways thats 2.86ghz which is just a little above fx-57 stock speed, i was able to clock it up to 2.94ghz but nothing would prime stable past the 2.86ghz range..

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