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*** Official AMD Phenom II X6 1055T & 1090T Overclocking Thread ***

currently running IBT on High - wont let me go higher for lack of available ram

vcore @ 1.42 peaks @ 1.44 - 4Ghz temps maxed @ 51C doing run 6 of 20

if and I mean if Im right that is the best this board and chip is gonna achieve at the moment but needs longer stability testing ... not tried higher just upped vcore and multi so question is ... is it worth mucking about with NB or anything else ?
 
What mobo you running Coz? and what you using to watch vcore?

Im currently 20 mins into OCCT, with vcore set at 1.375v, and with LLC its coming up as 1.40~1.41v in cpu-z (which i check with multi meter is right)

Temps are about 5*C cooler than with vcore at 1.425v, altho ambient is also down 2*C so that will be some of it.
 
im using the gigabyte UD5P 790FX board .. checking vcore & temps with HWMonitor

BIOS is flaky at the mo but core temps show 5-6C below that of TMPIN that i was told to use instead :)

EDIT ... mind you I did try running cpu with fluff on the pins yesterday which might not be helping :O
 
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Yeah my TMPIN is about same difference, from what ive been told, its the cpu controller temp or something. hottest part of the phenom cpus, hence the sensor. But afaik, and what im hoping is that the 62*C specification is based on the core temperature.

Just got a BSOD after 40 or so mins of OCCT :(

Trying 1.4v vcore now. Which gives a real world voltage of 1.44v with LLC
 
alexp999 said:
wellmy 1090T has a core sensor.
Click to expand...
no

thats software generated


also this is from amd

Dear Gareth,

Correct, as long as you are within the voltage and temperature guidelines you are ok. The temperature that should be monitored is the overall CPU temperature, not the core temp.


Best regards,

Jesse

AMD Global Customer Care
Click to expand...
 
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also this is from amd

Dear Gareth,

Correct, as long as you are within the voltage and temperature guidelines you are ok. The temperature that should be monitored is the overall CPU temperature, not the core temp.


Best regards,

Jesse

AMD Global Customer Care
Click to expand...
 
so whats this OCCT all about then :D

running as it opened default ... but no idea whats happening lmao .. so if it passes this and after 3 hours prime can i be a little confident i maybe 50% stable @ 4Ghz .. lol

as for core temp v cpu temp ... errr im none the wiser but I will go with safety and the higher numbered one :cool:
 
Soooo ... am I right in thinking ....

If I set the multi in the BIOS to say 20X and enable Turbo Core then the default clock is 4Ghz Turbo - the 400Hz boost = 3.6Ghz for all cores and a multi of 21 is Turbo of 4.2Ghz and standard clocks of 3.8Ghz ..

wonder if the cores would handle 3 max @ 4.2 and all 6 @ 3.8 24/7 ??? any guess
 
gareth170 said:
also this is from amd
Click to expand...

Thanks for clearing that side of things up, last night in a pretty warm room, with 1.46v going through my cpu, it ocassionly hit 62*C for cpu temp, ost of the time it was 60-61.

With lower voltage going thro it now and slightly better ambient im only reaching about 58-59*C with ibt.

So alls good.

Done some extensive googling, cant find anything about cpu/core. Only thing that is consistent is everyone agrees there isnt a sensor for each individual core.

Reason im struggling to understand that core temp is calculated from cpu temp, is that there seems to be no correlation between them. i.e their difference in temp varies.
 
Cozman said:
Soooo ... am I right in thinking ....

If I set the multi in the BIOS to say 20X and enable Turbo Core then the default clock is 4Ghz Turbo - the 400Hz boost = 3.6Ghz for all cores and a multi of 21 is Turbo of 4.2Ghz and standard clocks of 3.8Ghz ..

wonder if the cores would handle 3 max @ 4.2 and all 6 @ 3.8 24/7 ??? any guess
Click to expand...

Makes no sense to me.

A normal 1090T should be able to reach 4GHZ I'd assume, my knowledge is limited to my limited 1055T clocking.
Which so far is 3850MHZ that I'd deem stable.
 
well i agree the 1090 will do 4Ghz without turbo ... i was just letting my mind wander of at a tangent while waiting for all these stability tests to finish :D

had to reboot too as something went wildly wrong and was getting no sensor info or anything .. lol .. so back on stock settings to make sure i didnt boogie anything up
 
Cozman said:
Soooo ... am I right in thinking ....

If I set the multi in the BIOS to say 20X and enable Turbo Core then the default clock is 4Ghz Turbo - the 400Hz boost = 3.6Ghz for all cores and a multi of 21 is Turbo of 4.2Ghz and standard clocks of 3.8Ghz ..

wonder if the cores would handle 3 max @ 4.2 and all 6 @ 3.8 24/7 ??? any guess
Click to expand...
i would wait till a new bios comes..

as i said sometimes when i reboot the voltage changes from 1.3v to 1.475v
 
well the new BIOS is on the gigabyte site ... but the download link is borked .. but yeah the current bios is flaky at best and seems to jump all over the place

still if i can have 4Ghz when i want it on all cores and back it down to 3.8 3.6 or even 3.4 for everyday use that will suit me fine
 
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