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AMD Phenom II x4 925

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March 30, 2011 8:13:58 PM

I just put this into my machine after trying a 955 and finding out that my MB is not dual power phase and cannot run a 125w cpu :(  This was the best one the egg had in a 95w compatibility. I've seen several people say they oc it to 3.4 ghz but I'm crashing my system at 3.2 I am new to the overclocking process but am definitely committed to doing this with this particular cpu as I lost .4 ghz from the 955 to this and really wanted to run a 3.2 in my system. I've been running an AMD Athlon X2 5800 for years now and am not noticing an incredible difference between the 2 as of yet but its definitely faster, and I've noticed improved fps while gaming.

Any help is appreciated,
Regards,
Roger Funk III

More about : amd phenom 925

March 31, 2011 12:38:27 AM

I've been reading for the last several hours and I'm getting hung up on the bios in for my MB


System specs (should have had this in there before)

Windows Vista x64
Biostar TA790GX XE mb
4gb ddr2 ram
Nvidia Geforce n250 gpu
AMD Phenom II x4 925
Sata HD
750w ps
performance atx case well fanned


If anyone could perhaps walk me through the process with this particular bios or answer some questions I have in regards to it and the overclocking process that would be greatly appreciated.
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March 31, 2011 7:29:34 PM

I'm taking it nobody buys the 925 :( 
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Related resources
April 1, 2011 9:18:21 PM

http://valid.canardpc.com/show_oc.php?id=1744341 This is my cpu-z validation

I'm running the machine on the Biostar TA790GX XE v6 auto overclock setting . The v8 and v12 settings won't boot up. I get a message stating something about to many freezups or something when I do. I can do it again and post the exact quote if necessary. My manual oc is very confusing to me compared to any bios i've seen before and many i've seen linked on these forums. I can take some photos of it and post those up if they help as well.

I'm pretty excited about overclocking my first cpu but I'm pretty nervous about doing something wrong and I am messing something up since I have to reset cmos most times I change bios settings in relation to the dram and cpu.

My system is in the cpu-z validation so my specs are there for all to see.

Thanks for any answers to this.
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a b K Overclocking
April 1, 2011 9:37:04 PM

Yeah, most folks get the Black Editions, way too easy to OC.....

You need to keep an eye on Temperatures. Run Prime95 to put a heavy load on the CPU, then monitor temps with SpeedFan. Keep the CPU under 70C and you'll be fine. If you have a stock air cooler, you'll need to upgrade to get much above 3Ghz or so without getting too hot. Something like the 212+ cooler will get the job done.

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April 1, 2011 9:55:38 PM

jb6684 said:
Yeah, most folks get the Black Editions, way too easy to OC.....

You need to keep an eye on Temperatures. Run Prime95 to put a heavy load on the CPU, then monitor temps with SpeedFan. Keep the CPU under 70C and you'll be fine. If you have a stock air cooler, you'll need to upgrade to get much above 3Ghz or so without getting too hot. Something like the 212+ cooler will get the job done.



I purchased a black edition 955 originally but Biostar made this board incompatible with them since they are 125w cpus and this board only supports 95w cpus. 925 was more or less my only option.
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a b À AMD
a b K Overclocking
April 3, 2011 10:14:13 PM

If you raise it to 3.2GHz it will most likely become 125W, I suggest buying a cheap board that supports 125W CPUs or even better one that supports AM3+ for a later upgrade.
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a b À AMD
a b K Overclocking
April 4, 2011 12:14:06 PM

Please give us an idea of the steps taken to over-clock your CPU.

We also need to know your RAMs spec.

Since you have raised the system clock it is necessary to drop your memory ratio back one speed, and drop your HT.
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April 5, 2011 10:32:01 PM

I'm a complete noob to overclocking so please forgive my naivety. As of right now I am running the cpu with amd overdrive at 3.08 ghz stable. As soon as the temp hits 60 degrees Celsius od caps the oc. So I know cooling is part of my problem and I will be ordering a water cooler very soon.

With that said this mb bios confuses the hell out of me, and after reading for days on the oc process my bios "T series" stumps me.

Here is the cpu validation on the ram http://valid.canardpc.com/show_oc.php?id=1751929

I will get a camera shot of my bios and see if it makes any sense to you as well lol.



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a b À AMD
a b K Overclocking
April 7, 2011 10:56:38 AM

Please advise as to your RAMs.

PC6400 is DDR2 800MHz -- your RAMs are running 880MHz
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April 7, 2011 2:09:13 PM

Wisecracker said:
Please advise as to your RAMs.

PC6400 is DDR2 800MHz -- your RAMs are running 880MHz



I'm not sure I follow. hehe
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a b À AMD
a b K Overclocking
April 7, 2011 4:21:13 PM

rfunk83 said:
I'm not sure I follow. hehe


Then you need to take the time to read and understand a simple over-clocking guide, available to you by pointing your favorite search engine to "AMD Over-Clocking Guide"
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April 7, 2011 6:55:23 PM

Wisecracker said:
Then you need to take the time to read and understand a simple over-clocking guide, available to you by pointing your favorite search engine to "AMD Over-Clocking Guide"



Upon further examination of the Tom's Hardware guide I realized tucked in the back of the aod guide was the bios guide for non black edition cpu :)  I'll let you know how this goes hehe.
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a b À AMD
a b K Overclocking
April 7, 2011 9:27:47 PM

rfunk83 said:
Upon further examination of the Tom's Hardware guide I realized tucked in the back of the aod guide was the bios guide for non black edition cpu :)  I'll let you know how this goes hehe.


Once you have a grasp or general understanding of the handful of basic terms concerning your computer architecture, we will have you over-clocking like a champ in no time.

AMD has a base clock which you raise to increase speed. Other system components like your hypertransport, memory, memory controller, north bridge, etc, operate off that base clock, too, through the use of multipliers/dividers. They need simple adjustments to maintain stability and performance.

[:jaydeejohn:5]
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June 3, 2011 6:39:54 PM

i could get my 925 to 3220ghz(230x14) without voltage mod. max stable i got was 3.5ghz at 1.45v vcore and 1.26v cpu-nb. i had to lower the nb multiplier to 9 and ram frequency to 667 mhz though.

keep in mind the max vdd for this cpu is 1.425v only and max nb is 1.3v(for safe 24/7 running)
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