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AMD 1090t 3.85 o.c with under volts at 1.31

post #1 of 33
Thread Starter 
Hi, I'm new to the forums and I guess I have a dilemma. I recently overclocked my 1090t to 3.85 ghz and it runs smoothly, but I wanted a cooler CPU so I decided to under volt it to 1.31v I've run prime95 for 10 hours but I'm new to this so idk if my system is stable I'm willing to put my specs down if anyone wants to know.
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post #2 of 33
Quote:
Originally Posted by IDavidRawr View Post

Hi, I'm new to the forums and I guess I have a dilemma. I recently overclocked my 1090t to 3.85 ghz and it runs smoothly, but I wanted a cooler CPU so I decided to under volt it to 1.31v I've run prime95 for 10 hours but I'm new to this so idk if my system is stable I'm willing to put my specs down if anyone wants to know.

id say its stable.
now try running all of the apps you'll be using your pc for and if its good id say you're green:thumb:
post #3 of 33
Thread Starter 
I would also like to know if I should undervolt it some more any experience and knowledge is openly welcome. are there any bad sideffects toward under volting? Also if any other owners of an amd 1090t could please put down there overclocking specs and how they achieved them it would really help as I am really new to this pls n Ty for reading this thread
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post #4 of 33
There is no harm to undervolting the chip and after 10 hours of prime you can call it stable. Seems like you have a very nice chip to hit that speed at such a low voltage smile.gif
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post #5 of 33
Thread Starter 
@lilscrappy Ty for the quick reply
Yeah I have been using my computer just fine it runs all my games and applications although I have my comp in my room and my room has no air conditioning so I'm trying to get my CPU cooler before summer hits and fries my system do you by any chance know of any other ways to lower the CPU heat?
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post #6 of 33
Quote:
Originally Posted by IDavidRawr View Post

I would also like to know if I should undervolt it some more any experience and knowledge is openly welcome. are there any bad sideffects toward under volting? Also if any other owners of an amd 1090t could please put down there overclocking specs and how they achieved them it would really help as I am really new to this pls n Ty for reading this thread

nothing bad can happen from undervolting your cpu except it losing stability.
i dont have a 1090t but i own a 960t which i unlocked to an x6 which is also thuban architechture,
and is basically a shunned 1090t that didnt make the cut haha.
here are my current settings:
HTT/FSB- 250mhz
CPU- 250x15=3750mhz @ 1.4v
HT- 250x8=2000mhz @ stock volts <-dont wanna touch this voltage neways
DRAM- 250x8=2000mhz @ 1.491v
CPU/NB- 250x11=2750Mhz @ 1.26v-1.3v (fluctuates on load/set at 1.2625 in bios)
cpu/nb wont go any higher not even up to 1.375v

all other voltages are left at auto thumb.gif
Quote:
@lilscrappy Ty for the quick reply
Yeah I have been using my computer just fine it runs all my games and applications although I have my comp in my room and my room has no air conditioning so I'm trying to get my CPU cooler before summer hits and fries my system do you by any chance know of any other ways to lower the CPU heat?
aside from lowering voltages and getting better cooling.
nope. some cheap fixes may be to
-use good thermal compound
-mount the cooler and apply the compount CORRECTLY
-lap the cooler contact and/or cpu IHS (surface of cpu)
-find a way to apply more pressure to the mount of the cooler if it is loosely mounted or
the stock mounting method is sub-par
-get higher cfm/static pressure fans depending on your cooler
-get a better case with more airflow
-method that is underlined/bold is the MOST effective and what i recommend
Edited by LilScrappyD - 4/7/12 at 9:52pm
post #7 of 33
You should invest in a good cooler and run it @ 4.0ghz or higher. Seems your chip is very good and unlike intel chips, amd chips are more voltage friendly. I use to run my AMD setup at 1.5+ volts 24/7 for over 2 years and didn't have any problems with it. What are your temps like?

If you don't know how to get your temps download HWmonitor or an application like it.
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post #8 of 33
Thread Starter 
@robo
Ty haha well yeah just trying new things out but should I continue to try and lower the voltages? I'm more afraid of something going wrong
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post #9 of 33
Quote:
Originally Posted by IDavidRawr View Post

@robo
Ty haha well yeah just trying new things out but should I continue to try and lower the voltages? I'm more afraid of something going wrong

Just keep on undervolting in low increments, if you run into any stability problems, just reset to your previous working voltage.
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post #10 of 33
Thread Starter 
Lol yeah unfortunately I don't believe my chip is great chip although I've reached 3.85 ghz it took a while, rather than trying another overclocking guide " failed miserably many times" I tested my own different settings and got setting so far at 240 bus speed and 16x multiplier
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