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[OFFICIAL]Athlon II X2 Regor Series OC Club - Page 8

post #71 of 1106
Quote:
Originally Posted by thlnk3r View Post
Paddy510, for testing purposes (as MRHANDS mentioned) try dropping the memory frequency a tad just to see if that helps with stability. Kind of a shame though that your motherboard does not have an area where you can change the cpu voltage.

Good luck
Unfortunately i can only change bus speed and ram volts, there is an option for the HT multi but it doesnt seem to do anything, on auto the ht link is 1000 and regardless of what i set it to it always shows as having a 5x multi. a few more of the basic options would have been nice but i wasn't really expecting any more options than it has.
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post #72 of 1106
Quote:
Originally Posted by paddy510 View Post
Unfortunately i can only change bus speed and ram volts, there is an option for the HT multi but it doesnt seem to do anything, on auto the ht link is 1000 and regardless of what i set it to it always shows as having a 5x multi. a few more of the basic options would have been nice but i wasn't really expecting any more options than it has.
Paddy510, I downloaded the manual for your board to see if there was any options that may be helpful and boy there is absolutely nothing other than what you stated above. Kind of a bummer. Have you tried an updated bios to see if any new options were made available?

Good luck
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post #73 of 1106
Quote:
Originally Posted by thlnk3r View Post
TheGiraffer, welcome to Overclock.net

What reference clock speed (HT Clock) are you currently running? Your above post doesn't state your overclock so I wasn't sure.

ArthurDent, since the 250 has a 15x multiplier you could probably use that as an advantage instead of raising the HT Clock speed. You may eventually start to run into stability issues with your chipset if the speed is too high.

Good luck guys!
Now that I look at it, that would've been helpful! My HT clock is 2270Mhz, bringing the CPU Clock Ratio to 3405Mhz

Also, I put the voltage to stock, and it seems to be stable, I'm about to run a Prime95 test to check
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post #74 of 1106
I noticed with my board I had to turn down the north core frequency to get stable above 3.0 ghz with my 620. I am now slowly trying to push my way to over 3 ghz.
post #75 of 1106
wich one to keep ? stock 2.8Ghz ,i got corsair 667mhz memory, and i`m looking for the best memory/cpu performance OC,what i mean is i want good mem readings/writings .

tested these speeds 15min each only for stability so not very sure. No Voltaje tampering.


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post #76 of 1106
Quote:
Originally Posted by thlnk3r View Post
ArthurDent, the memory frequency can still run at stock if you play with the multiplier...or are you trying to overclock the memory? Sorry I think I misunderstood you.
...
I backed off the FSB to 290 x 12.5 and gained good stability.
Can still only run the cpu at 3.5-3.6Ghz.

Has anybody tried the 'power button' steps yet? (Asus M4N78 Pro mb)
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post #77 of 1106
Quote:
Originally Posted by weaselciuy View Post
wich one to keep ? stock 2.8Ghz ,i got corsair 667mhz memory, and i`m looking for the best memory/cpu performance OC,what i mean is i want good mem readings/writings .

tested these speeds 15min each only for stability so not very sure. No Voltaje tampering.
Weaselciuy, I'd probably stick with the 3.5Ghz overclock. Cpu speed is king and in my opinion should always be considered first before the memory. Try also increasing your NB Frequency. That should give you a nice bump in terms of memory read speed.

Quote:
Originally Posted by ArthurDent View Post
I backed off the FSB to 290 x 12.5 and gained good stability.
Can still only run the cpu at 3.5-3.6Ghz.

Has anybody tried the 'power button' steps yet? (Asus M4N78 Pro mb)
ArthurDent, I remember asking you this but how far were you able to get with keeping the multiplier at 15x? The 290 HT Clock speed may be holding you back. That is pretty high though

In regards to the "power button steps", what exactly are you referring to?

Good luck
Edited by thlnk3r - 10/29/09 at 10:34am
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post #78 of 1106
Quote:
Originally Posted by thlnk3r View Post
Weaselciuy, I'd probably stick with the 3.5Ghz overclock. Cpu speed is king and in my opinion should always be considered first before the memory. Try also increasing your NB Frequency. That should give you a nice bump in terms of memory read speed.
thanks, i`ll try that with a night stability test and a few games tomorrow. Hope it works

gl
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post #79 of 1106
First time overclocker here and first time user to this forum. I don't know how to start really so I'll just post my info:

AMD Athlon II X2 Regor 245
Reference Multiplier: 14.5
V-Core: 1.400 (+.05, stock being 1.35)
CPU / Northbridge Voltage: 1.275 (+.10, stock being 1.175)
Motherboard: Gigabyte GA-MA785GMT-UD2H
Cooling Unit: Stock
OS: Windows XP Pro 32-bit
Stable?: Yes
Stressing Method: 6 hours Prime95 32-bit

http://valid.canardpc.com/show_oc.php?id=798190

Right now I have my HT clock set to 240 which gives me a cpu clock of 3480Mhz at 1.4 volts. The NB and HT link are both set to a x10 multi giving it a clock of 2400Mhz. I left the NB voltage at stock (1.1v?) because I'm not sure if raising it will do anything as I've read that increasing the CPU VID voltage (which I'm guessing is the same as the HT link voltage) results in better stability. I have the HT link voltage set to 1.275 right now.

I've been trying to push my HT clock up to 250 (CPU speed of 3625Mhz) while keeping the HT link and the NB at their x10 multiplier but I keep getting errors in prime95 after about five minutes. I've even tried pushing the cpu voltage up to 1.425 (I've seen specs online say that this is the max, I'm afraid to push it higher) and it didn't help. I then pushed the HT link voltage up to 1.35 and still didn't get stability. Any one have any suggestions on what to do to push my system just a bit further? Do I need to raise the HT link voltage some more? CPU voltage? Should I instead change the HT link speed downwards a bit as I have been reading throughout this thread? What about the NB voltage? Should I even touch it? Does changing the SB voltage do anything? Any help would be appreciated.

Before I did any cpu overclocking I made sure that my ram was stable first. I have two sticks of 2GB DDR3 1600Mhz ram. When I tried overclocking it I first set the HT clock to 240 with a ram multiplier of 6.66, effectively giving me a ram speed of 1599mhz. Memtest passed of course. I then set the HT clock to 245, my ram at 1632mhz. Memtest failed within five minutes with 67 errors.

I was bored at this point so I thought what the hell, I'll put the HT clock at 250 and see what I get, probably a lot of errors. Memtest passed more than seven times with the ram at 1666Mhz. Huh? I went back into my bios and looked through the settings, then I figured it out. When I overclocked my ram I thought it best to keep the HT link, NB, and cpu speed as close to stock as possible, so that I would rule out all possibilities that they would cause errors in memtest. With my HT clock speed at 245 I kept the NB and HT link multiplier at x8, with a speed of 1960Mhz, because it kept the speed as close to 2000Mhz as possible. When the HT clock was set at 250 it changed the NB and HT link speed up to 2000Mhz. So I dropped the clock speed back to 245 and upped the multiplier to x9, giving me a NB and HT link speed of 2205Mhz. My ram passed at this point. From what I can tell my motherboard doesn't like going below 2000Mhz very much, even just by 40Mhz. At least I know the problem isn't my ram now.
Edited by silentphantom250 - 10/30/09 at 1:59am
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post #80 of 1106
Well, now i'm overclocking my Athlon II X2 250 again, but giving it more voltage (before it was at stock voltages at 3.6GHz, now i'm probing at 3.75GHz) and by the moment it seems to be stable with Prime95, if it's 100% stable 24/7 i will send an email to 856Media to update my values at the first page table. My actual settings are:
-HTT: 250MHz
-PCI-e: 100MHz
-VCore: 1.52V (+0.150mV in the BIOS, the max value i could give it)
-Multiplier: Auto (x15)
-HT Link: 1600MHz --> final frequency: 2000MHz
-NB Frequency: 2000MHz (in my BIOS i could not change the multiplier for NB) --> final frequency: 2600MHz
-NB & Chipset voltages: Auto
-RAM: 800MHz | CAS: Auto | VDimm: 2.0V -> final frequency: 1000MHz 5-5-5-18-24 (RAM is DDR2 1066MHz 5-5-5-15 2.2-2.25V)
-All settings into the BIOS/CPU configuration Disabled (C&Q, Microcode Updation, C1E, Prefetching, etc...)
-Max temps: CPU: 62ºC | Cores: 48ºC | MB: 37ºC

Performance with these settings are better than at 3.6GHz, but temps are certainly higher too (about 4-5ºC more than at 3.6GHz), maybe if it's 100% stable i'll only use at 3.75GHz for heavily process like video edition/converting, but i'll use normally at 3.6GHz with C&Q enabled wich gives best temps, and for general purposes is more than enough...

Sorry if my english isn't very good and i wrote any mistache...

Bye!
Edited by jacqlittle - 10/30/09 at 3:01am
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