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Voltage problems 1055t

post #1 of 17
Thread Starter 
Yesterday with some help from some guys from the forums i managed my attempt to overclock.

272 FSB x 14 (locked multiplier) = 3808MHz
1.4 vcore.
1.25v CPU-NB
2448MHz CPU-NB frequency (272 x 9)
1904MHz HT Frequency (272 x 7)


Yesterday i set it all up bar CPU-NB voltage which i left on auto.

Booted, ran prime for about 10 mins and had 2 cores have errors.

I then changed the CPU-NB voltage to 1.25v, booted, ran for longer but blue screened.

How do i go stabilise it?

up the NB volts to 1.3v?
or up the CPU volts to 1.45v?

bare in mind i was told when helped, that vcore 1.4v was probably to many volts. But another member equally as helpful said to increase the volts to 1.45v (becuase my temps were good at 1.4v 47c full load) if it isnt stable.

I have noticed though when running at full load the vcore is always between 1.33-1.38v
Edited by Nachoman - 5/19/11 at 11:34am
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post #2 of 17
Thread Starter 
i just installed PC probe and was having alook about.

i found this in the logs and i think it coinsides with the crases using prime.

[05/19/2011 at 11:13 am] Vcore Voltage Abnormal, 4.08 V
[05/19/2011 at 11:14 am] Vcore Voltage become normal, 1.38 V
[05/19/2011 at 11:34 am] Vcore Voltage Abnormal, 2.03 V
[05/19/2011 at 11:34 am] Vcore Voltage become normal, 1.34 V
[05/19/2011 at 04:23 pm] Vcore Voltage Abnormal, 2.03 V
[05/19/2011 at 04:23 pm] Vcore Voltage become normal, 1.34 V
[05/19/2011 at 04:45 pm] Vcore Voltage Abnormal, 2.03 V
[05/19/2011 at 04:45 pm] Vcore Voltage become normal, 1.34 V

Have i broke my chip?
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post #3 of 17
Thread Starter 
I did notice that Hardware monitor didnt pick up these spikes, it says it max 1.44v
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post #4 of 17
47c idle is definitely not good. That's probably way over 62c on load, which is the max safe temperature for your CPU.
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post #5 of 17
I dont know who told you 47c idle was ok but that seems way too high idle, 47c would be good under load but not idle.
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post #6 of 17
Change FSB to 280 or 300

Change Northbridge speed to it's highest, but change the multiplier on the CPU to close to 4000MHz as possible.

Put 1.44V in the CPU and 1.37V on the CPU-NB, 1.2V on the Northbridge.

You will have to keep your RAM close to 1600MHz too
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post #7 of 17
Quote:
Originally Posted by Nachoman View Post
Yesterday with some help from some guys from the forums i managed my attempt to overclock.

272 FSB x 14 (locked multiplier) = 3808MHz
1.4 vcore.
1.25v CPU-NB
2448MHz CPU-NB frequency (272 x 9)
1904MHz HT Frequency (272 x 7)


Yesterday i set it all up bar CPU-NB voltage which i left on auto.

Booted, ran prime for about 10 mins and had 2 cores have errors.

I then changed the CPU-NB voltage to 1.25v, booted, ran for longer but blue screened.

How do i go stabilise it?

up the NB volts to 1.3v?
or up the CPU volts to 1.4v?

bare in mind i was told when helped, that vcore 1.4v was probably to many volts. But another member equally as helpful said to increase the volts to 1.4 (becuase my temps were good at 1.4v 47c idle) if it isnt stable.

I have noticed though when running at full load the vcore is always between 1.33-1.36v
is the hyper in a push and pull config? what kind of fan are you using? 47 is too high for idle.
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post #8 of 17
Thread Starter 
sorry 47c full load, i have edited it. also i just want to reach 3.8ghz
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post #9 of 17
Yea thats better lol i was gonna say 47c idle sounds like no heatsink even lol. But yea 47c under load is not to shabby thats what i get when im at 3.7, hopefully once i get a real w/c setup it will be better. Wish i could help you but not familar with the 1055t. Best of luck.
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post #10 of 17
Thread Starter 
I decided to increase the vcore to 1.4125v

and it seems stable, what this the right course of action?


I watch the vcore at full load and it still ranges within 1.33-1.38v range


Is there anything i could do, so i can lower the vcore voltage and try and remain stable?


Thanks a complete noob

John
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Nacho
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