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Need help on getting unlock 960T stable as a hexa core

post #1 of 8
Thread Starter 
Hey guys!

Sinds i already have a threat about overclocking as a quad, and already got a nice clock at 3,4Ghz
Super stable! i did about a 50hours prime95 stress test and it passed biggrin.gif

So id like to get it unlocked as a Hexa core for everyday use thumb.gif


So far no succes, it freezes a lot with stablility testing.

I keep increasing the vcore
I am at 1.4250V now

keeping the ht link at 2000Mhz
and now also slowly increasing NB Voltage, i bumped it up to 1.200V now!


Not sure , if doing this good. Sinds i only did overclocking so far and not unlocking. I did have a x2 555 Be edition aswel. But this one realy did not work out to unlock tongue.gif
     
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post #2 of 8
Hi, it would make sense that the majority of the 960Ts do not unlock since the whole idea behind it is that AMD can sell its defective 6 core CPUs.

Basically there are 3 ways a 960T can be made.

1) 1 of the cores is unstable so they locked 2 cores down and called it a 960T
2) 2 of the cores are unstable so they locked 2 cores down and called it a 960T
3) The demand for the 960T is high enough that they took a perfectly fine 6 core and locked out 2 cores.

For the first 2 it could be a situation where 1 or 2 cores just barely where out of spec and maybe you can get them to run with more voltage. For the 3rd option obviously it is going to unlock very well but there probably are not a lot of these floating around.

I was able to OC my 960T to 4GHz @ 1.392v on all 6 cores I ran it daily OC'd at 3.9GHz 1.392v all 6 cores activated. I also enabled turbo to 4.1GHz and made sure it actually improved performance which it did. (Single and Double threaded PI scores where higher than without turbo)

With mine the first core to loose stability was the 4th core (#3) so the extra 2 cores where actually more stable than the normal cores.

It would not make sense that the majority of these CPUs unlocked because then AMD would just be giving 6 core CPUs away for the price of a quad.

As far as your getting to 3.4GHz... you should be able to do that at stock voltage.
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post #3 of 8
almost totally agree with givmedew on all but 1 point.
they didnt lock the 'last 2' cores to make a quad. they locked whichever was faulty/weak and then just locked another. i assume on a perfectly fine 6core getting locked they would just lock core4 and 5. but if it had a faulty core or 2, they would get locked. it could be any core, core0 through core5

if yours is freezing, lock it back to a quad and overclock it to 4ghz and boost the cpu-nb to 2700 or higher.
did you remember to disable turbo before you started overclocking ?
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post #4 of 8
Quote:
Originally Posted by pc-illiterate View Post

almost totally agree with givmedew on all but 1 point.
they didnt lock the 'last 2' cores to make a quad. they locked whichever was faulty/weak and then just locked another. i assume on a perfectly fine 6core getting locked they would just lock core4 and 5. but if it had a faulty core or 2, they would get locked. it could be any core, core0 through core5

if yours is freezing, lock it back to a quad and overclock it to 4ghz and boost the cpu-nb to 2700 or higher.
did you remember to disable turbo before you started overclocking ?

I don't think I said anything about them locking out the last cores? Unless you thought I meant that because I referred to them as #4 and #5 which is in fact what they label the ones they lock out. #0 - #3 can be anywhere in the chip but the active cores are named 0-3 and the locked are named 4 and 5.
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post #5 of 8
yep youre totally right.

this is what i was referring to you saying:
With mine the first core to loose stability was the 4th core (#3) so the extra 2 cores where actually more stable than the normal cores.

they are only renumbered when they are locked. when its unlocked, the cores are numbered as they appear on the die.
what you typed didnt come across that way smile.gif

but as i said, yep, youre right.
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post #6 of 8
Quote:
Originally Posted by pc-illiterate View Post

yep youre totally right.

this is what i was referring to you saying:
With mine the first core to loose stability was the 4th core (#3) so the extra 2 cores where actually more stable than the normal cores.

they are only renumbered when they are locked. when its unlocked, the cores are numbered as they appear on the die.
what you typed didnt come across that way smile.gif

but as i said, yep, youre right.


Wait now I am confused and I actually think I was wrong. I was under the assumption that whatever the locked cores where that once unlocked they would show up as core #4 and core #5 not the actual order they belonged on the die. The reason why I thought this was when I had a 555BE and I unlocked it it was cores #2 and #3 that was giving me issues. Of course it just could have been that those where the ones that where disabled.

What you are saying makes sense in a way but how do you know this for sure? Where is it written?
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post #7 of 8
my old 720be here has a weak core2. its the core that was locked.
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post #8 of 8
Thread Starter 
Thanks for the input i understand process of how CPU are locked in the first place.
But id like to try everything possible!

Sinds this Chip boots into windows i can actualy do something.... My previous CPU : Phenom x2 555 BE did not unlock , it did not boot into Windows!



So i understand this.
I just simple ask for help on settings.

Today i could not resist after reading al your post and see my CPU never being stable as x6 i accept this!
But yet i could nog resist trying something again tongue.gif

I went into bios i put al settings to default
Disabled Turbo Core
Disabled cool n quiet
C1E was already disabled... I unlocked the 2 extra Cores and they are not in Prime95 1hour in progress , stable so far.


Last time i tryed i took my best Overclock 3,4Ghz and tryed unlock from that point, this failed.






Maybe this chip stil wants to run as x6? But at a lower Clock rate? tongue.gif
     
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