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[OFFICIAL] Phenom II X4 B40/B45/50/55/60 Owners Joint! - Page 27

post #261 of 355
Quote:
Originally Posted by ruarcs30 View Post

Quote:
Originally Posted by jrl1357 View Post

i dont agree. overclocking will raise the tdp much higher then unlocking will. also more and more games are made for not dual but quad cores, and bf3 is made for six (it runs as well on a 6200 then a 3570k) as can of cexpect four core to be a new standerd for gaming computer in a year or two and will see first amds then intels six core become average for gaming in maybe 2-3 years. looking at the tdp your going for, it would seem tri core at 3.6/7 vs quad core at 3.3/4,,,,,i would pick the quad

Overclocking will raise the tdp more than unlocking? Are you sure of that? That doesn't seem logical... The logical would be that unlocking cores would raise the tdp way more than a sligthly oc.

About the numbers of cores. When going from 3 to 4 cores, it gains me quite many fps in games like bf, witcher 2. So it seems that an tri on 3.2Ghz is bottlenecking my gtx 460. Else i would not have got so many fps by oc the cpu, right? Unlocking and oc the cpu to 3.6Ghz and oc the ram on my gpu gives me about 15 more fps

for a small one no. for an oc big enough to out way a forth core, yes as youll have to give it more vcore. as you said, many games, such as wither and most of all bf3 can take use of more cores. bf3 six
post #262 of 355
It really depends on the voltage you're using for that overclock. 3 cores on 1.5V with a 4ghz+ overclock will definitely have a higher TDP than 4 cores on stock voltage (1.35V~1.4v).
    
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post #263 of 355
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post #264 of 355
Quote:
Originally Posted by latelesley View Post

I doubt you'll be at 126W TDP at that voltage. As well as unlocking cores raising the TDP, so does raising the voltage, and overclocking.
You raise the voltage, you raise the TDP.
You raise the clock speed, you raise the TDP. (But not as much)
Pro's of lowering the TDP (by lower voltage/clock speed, is less current flowing through the CPU and in turn the VRMs, which reduces the heat generated, lowers the max current drawn, and reduces the possibility of failure.
Cons of lowering the TDP (via voltage/speed, is less performance, as the CPU will be running slower that it could at a high TDP.
TBH, I would unlock the core, and try lowering the voltage till it gets unstable, then bump it back up a couple of notches. This may get you nearer 100W TDP, reducing stress on the VRMs and running your CPU cooler. You may not be overclocking the chip, but the extra core should more than compensate. I would make sure it passes prime95 tests for 24hours before declaring it stable. I had a chip throw an error 22 hours in when overclocking it, and it needed a little more Vcore.
BTW current wisdom is more cores doesn't mean more performance in gaming, as games don't seem to be good at multithreading yet, If its for games, you may be better locking the core and overclocking the 3 cores for better game performance.

hey lesley, how can i adjust the voltage in my CPU?. it is in Bios?. or do i need to download other software to adjust it?.

can you prefer what software i can download?. smile.gif

Bythe Way, Where should i put an extra aftermarker Vrm cooler/heatsink? in Vrm or in Mosfets?.

Where is Vrm and Mosfets anyway.. drool.gif

thank you. smile.gif
Edited by piofranco1 - 5/21/12 at 10:14am
post #265 of 355
Just got a phenom x2 560 system of cl and brought it home and was able to unlock it to a b60. Been installing updates and all my info and its running awesome. Still on stock cooler so gonna keep it stock clocked for now.
post #266 of 355
good deal thumb.gif
post #267 of 355
Thanks system was $275. Phenom x2 569, 8gb ddr3, Gigabyte 5670, 1 259gb sata hd, 1 259gb ide hd, azza case, and a 650w rocketfish psu, 20" acer monitor and generic keyboard/mouse. Gonna be my main rig till I order my 3930k build next month.
post #268 of 355
Quote:
Originally Posted by piofranco1 View Post

hey lesley, how can i adjust the voltage in my CPU?. it is in Bios?. or do i need to download other software to adjust it?.
can you prefer what software i can download?. smile.gif
Bythe Way, Where should i put an extra aftermarker Vrm cooler/heatsink? in Vrm or in Mosfets?.
Where is Vrm and Mosfets anyway.. drool.gif
thank you. smile.gif

You adjust your CPU voltage in the BIOS, I think in your case its called CPU VDD. You may also want to increase the CPU-NB VDD - this is the voltage for memory controller part of the CPU. You don't want your CPU VDD any higher than 1.55V , and the CPU-NB VDD any higher than 1.4V (personally I don't go higher than 1.5V and 1.35V).

As for the cooler/heatsink - you need it to be in contact with the MOSFETs, which i've circled in red in the following picture :-
480

Those little black things with two legs at one end, and a metal tab at the other, are the MOSFETS. They are part of the Voltage Regulator Module (VRM) which is made up of the Voltage control IC, the MOSFETs, the coils (the square things just below the MOSFETS in the pics) and the capacitors. The reason that it's important to heatsink the MOSFET's, is that in this setup they are being used as a switch to store energy in the coil, and as a result they have high currents flowing through them, and thus produce lots of heat.

Anyway, I'd exercise caution if you are going to overclock on that board - other peoples experiences have been of fried boards. Only do it if you can afford to replace all the CPU/motherboard if it all goes wrong.

PS - I use CPUz to watch the voltage of the CPU while it is running, because sometimes there is a mismatch between the real voltage, and what it says in the BIOS. Make sure you account for any difference BEFORE messing with the voltages, so you do not go over the chip ratings.
Edited by latelesley - 5/26/12 at 11:28pm
post #269 of 355
Quote:
Originally Posted by latelesley View Post

You adjust your CPU voltage in the BIOS, I think in your case its called CPU VDD. You may also want to increase the CPU-NB VDD - this is the voltage for memory controller part of the CPU. You don't want your CPU VDD any higher than 1.55V , and the CPU-NB VDD any higher than 1.4V (personally I don't go higher than 1.5V and 1.35V).
As for the cooler/heatsink - you need it to be in contact with the MOSFETs, which i've circled in red in the following picture :-
480
Those little black things with two legs at one end, and a metal tab at the other, are the MOSFETS. They are part of the Voltage Regulator Module (VRM) which is made up of the Voltage control IC, the MOSFETs, the coils (the square things just below the MOSFETS in the pics) and the capacitors. The reason that it's important to heatsink the MOSFET's, is that in this setup they are being used as a switch to store energy in the coil, and as a result they have high currents flowing through them, and thus produce lots of heat.
Anyway, I'd exercise caution if you are going to overclock on that board - other peoples experiences have been of fried boards. Only do it if you can afford to replace all the CPU/motherboard if it all goes wrong.
PS - I use CPUz to watch the voltage of the CPU while it is running, because sometimes there is a mismatch between the real voltage, and what it says in the BIOS. Make sure you account for any difference BEFORE messing with the voltages, so you do not go over the chip ratings.


should i put -2% in every core or in 0%?.

What should be the difference?.
post #270 of 355
Quote:
Originally Posted by piofranco1 View Post

should i put -2% in every core or in 0%?.
What should be the difference?.

Well personally I just had 0% on all my cores. I'm not 100% sure what that setting does exactly. I think it may just change the timing of each core slightly, a bit like spectrum spread does on the busses. They say it can increase stability slightly if you play with them. It probably distributes the power draw of each core more evenly, rather than all 4 clocking instructions at once, causing a simultaneous power draw on the CPU core supply. I may be wrong though. Maybe someone more in the know can help here? smile.gif

L x
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