AMD OPTERON 146 under voltage o/c

[atix900]

AMD OPTERON 146 under voltage o/c

My system:
CPU AMD Opteron 146
RAM geilone S 512M X 2
MB DFI LANPARTY nF4 D
Display Sapphire x1800gto
PSU Antec TP480 20 pin
HD WD 80GB SATA
CPU COOLING ocqq watercooloing kit v1.1 FROM http://ocqq.com/osc/

superpi 1m



superpi 2m



superpu 4m

 

[Solaris17]

nice dude 1m in 30sec good job and is it stable try priming it? nice undervolt keep it nice and cool.

 

[atix900]

nice dude 1m in 30sec good job and is it stable try priming it? nice undervolt keep it nice and cool.

Thanks I'll try it later.

superpi 32m

 

[trog100]

kinda reverse logic at work here aint there.. undervolting to keep things cool so as u can overclock.. or am i missing the point.. ????

the fact it can make those speeds at those voltages proves its a bloody good chip.. but other than proving that.. whats the point.. ????

or are u running at as low a voltage as u can cos your mobo or other things wont let it go faster..

it is a seriouse question by the way.. i am curious..

trog

 

[Solaris17]

well he drops the vcore so its cooler and then ocs so its the same temp as it was at stock w/ stock vcore now with a idk 300mhz increse thats a gain in preformance w/ no problem w/ heat

 

[trog100]

folks really are losing the plot with this heat thing arnt they..

there really are no problems due to heat provided a half decent air cooler is fitted..

there will be the same instability problems introduced by lowering core voltages as simply over clocking the cpu.. unless heat is a real problem u dont lower the core voltage period..

lets take an amd chip.. say the sandy which is similar to a venice.. just more cache..

amd sell an FX57 cpu.. it used to be the flagship chip and cost well over a 1000 dollars it comes with a better air cooler then the normal amd 64 chip and comes clocked at 2.8 gig.. a core voltage of 1.4 to 1.45.. it runs about 55c under load as the norm.. at the price it costs it has to function...

the FX57 stock cooler isnt as good as say a zalman 9500.. but amd consider it good enough for their flagship chip.. they also consider a running temp over 50c as okay for their flagship chip.. up to 63c in fact..

at the other end of the scale we have the opty chip.. venice or sandy it dosnt make a deal of difference.. its the same chip as the FX57.. or at least the sandy version is.. it comes clocked at as low as 1.8 gig and is sold as server chip.. same chip different names and dfiferent intended uses..

soooo.. is the opty an underclocked FX57 or is the FX57 an overclocked opty.. the answer to both the questions is yes..

a server chip lives a different life than a desktop chip.. 24/7 working hard.. fitted in racks that generate lots of heat.. it has to perform faultlessly for a number of years.. low core voltages obtained by the low clock speeds are important.. but 24/7 reliability still has to be maintained.. thats what the low clock speed is all about.. the low core voltage is about heat.. but that is heat in a server enviroment.. huge racks of the things.. for a server chip heat is a problem..

take a desktop chip.. it spends most of its life doing bugger all.. or at least the average one does.. it dosnt have the same requirments the server chip does..

soo if u want to turn your opty into an FX57 u do exactly as amd do.. fit a half decent cooler crank up the core voltage and accept temps in the 50c region as being the norm.. the opty in a desktop enviroment will be just as happy as the FX57 is..

the opty.. venice.. 64/3700.. 64/4000.. Fx57.. are for all intents and puposes all the same bloody chip.. and just like the FX57.. they dont need to be at silly low temps to run at somewhere near 3 gig..

the current obsession with super low temps is getting silly.. and is just wrong.. and lowering core voltages to overclock really is an extreme example of just how wrong..

sorry guys but u are loseing the plot..

trog

 

[bigboi86]

Try 1.45-1.5v for 3ghz.

Why run a chip at higher voltage than need be? I am beginning to think you are just obsessed with having high temps.

65c load is awesome!

 

[markkleb]

I agree with trog100 but I really like what ur doing. If a CPU runs at less voltage wont it last longer?

But most of all heres to ur memory,I use the same

 

[trog100]

course it will.. like last 30 years instead of 20... totally unknown territory.. as to how long they last anyways..

the existance of the super expensive FX57.. tends to suggest they will last plenty long enough at the temps amd recommend.. which most certainly aint 32c.. it also tends to suggest the 1100 dollar chip wont last as long as the 200 dollar chip.. but who cares the things get thrown away long before they wear out..

but if u are happy with 2.7 gig from chip that will do more i cant fault u.. but undervolting and overclocking just kinda dont mix well.. u are just building in potential instability for no valid reason..

intel by the way dont design their flagship chips to run over 90c under load.. its just something they have to put up with in their atempts to keep up with amd chips..

soooon... when conroe arrives the position will reverse.. amd chips will be getting hotter as amd crank up the core speeds trying to keep up.. he he he

trog

 

[atix900]

thanks for watching, somemore 3dmark test

3dmark03



3dmark05



3dmark06

 

[trog100]

your chipset looks a bit hot.. or is that normal.. and why are we at 2.7.. u still aint clued us in whether your aim is to get your cpu as cool as it will go or as fast as it will go..

and for those that think i like high temps.. my chipset runs 30c.. yah..boo... that must mean my mobo is gonna last fifty years.. he he he he

trog

 

[atix900]

My chipest use original fan only.
My aim of this cpu test is 'I want to point out that overclock not equal add voltage'.
This cpu can run over 3.1g off cause.
Thanks for watching and sorry for bad english.

 

[atix900]

nice dude 1m in 30sec good job and is it stable try priming it? nice undervolt keep it nice and cool.

prime95

 

[b1lk1]

I love undervolt OC's! My 165 undervolts to 1.29V for 2.7GHz totally dual prime stable. Temps around 40C.

Right now working my way up to 3GHz slowly. Needs a full 1.35 to do 2.8GHz and I am priming it as I type this. Load temp right now is 45C with a 27C ambient. Keep pushing it!

 

[atix900]

I love undervolt OC's! My 165 undervolts to 1.29V for 2.7GHz totally dual prime stable. Temps around 40C.

Right now working my way up to 3GHz slowly. Needs a full 1.35 to do 2.8GHz and I am priming it as I type this. Load temp right now is 45C with a 27C ambient. Keep pushing it!

Your cpu is very nice,
I am just a beginner in overclock and i want to ask usually need to prime how long?
And what code is your cpu?
Thanks for your reply.

 

[trog100]

i am having a bit of problem with the term overclocking.. when u take the view as i do that a 1.8 gig opty is really an FX57 in a different box.. we all know that they will hit FX57 plus speeds mobo permiting.. all we are really doing is running the things at a speed we know they will all go at.. is that really overclocking... he he he

its a funny old world when the product u pay a 100 dollars for is the same as the one somebody paid 1100 dollars for just painted a dfferent colour.. it makes u wonder.. least it does me.. he he he

trog

 

[atix900]

i am having a bit of problem with the term overclocking.. when u take the view as i do that a 1.8 gig opty is really an FX57 in a different box.. we all know that they will hit FX57 plus speeds mobo permiting.. all we are really doing is running the things at a speed we know they will all go at.. is that really overclocking... he he he

its a funny old world when the product u pay a 100 dollars for is the same as the one somebody paid 1100 dollars for just painted a dfferent colour.. it makes u wonder.. least it does me.. he he he

trog

I will always buy the cheaper one.

 

[b1lk1]

Ah, but only an FX-57 is guaranteed to hit 2.8GHz. Many many Opterons out there struggle to get past 2.6GHz and the dual cores also require good cooling to maintain high overclocks. FX CPUs are geared towards die hard overclockers as the higher multis tend to let you get your ram in the sweet spot when overclocking. Right now, I am using the 166MHz divider as the 180MHz divider is too high, but the 166MHz divider is just a touch low for my ram. If I had a 10X multi it would be perfect. But I am happy anyways. Having a great motherboard is a MUST for any 9X multi CPU and the higher HTT speeds are a bear to get a handle on. To be honest, if I had the money to spend I'd be talking about my FX-60, but my budget only allowed for this 165. I got lucky and got one of the best steppings, CCBWE 0550 UPMW, but believe me, there are alot of not so happy people out there who thought they were guaranteed 2.5GHz+ and they can barely hit the 2.5GHz.

 

[trog100]

yep.. but i think the real secret with what we call overclocking is knowing the parts and exactly what they are.. i am interested in seeing how the new am2 systems overclock when they arrive.. we might be in for some surprises.. and not good ones..

and B1 i avoid the real bottom end multipyers for just the reasons u state.. i bought the 11 x sandy.. there is an opty varient the 148 i think.. but i would have to be very rich indeed to fork at for any flagship cpu.. course the brand label carries some weight.. he he

u do get an unlocked mulipyer with the FX series.. but being as the things are already well maxed out when u buy em it isnt exactly worth a lot..

mind u i did buy a flagship grfx card thow.. which kinda breaks my own rules.. not so much free mileage with that as my x800gto2.. he he he

but if u are in to playing games.. the grfx card is king.. nothing else matters that much..

trog

 

[b1lk1]

Exactly. My parts choices were definitely not random and I researched them thoroughly before buying them. So far, AM2 looks very dissapointing, but if AMD gets that new technology for dual cores going, they will keep up for now. They are trying to get both cores of a dual core to work together hence making a dual core 1.8GHz CPU effectively a 3.6GHz CPU. Now that would be a nasty little CPU! Other than that, the ONLY thing AM2 is bringing to the table is DDR2. I would advise avoiding it unless you must have the latest and greatest.