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Problems with X6 1055T overclocking

post #1 of 27
Thread Starter 
hey,

as already posted on the 1055T Owners thread, I'm having trouble OC'ing my 1055T.. more precisely I think the Vcore needed for my OC cant be right somehow..

Basically, the system crashes and BSOD's right after POST when booting windows; thats with a 3500 MHz @ 1,4 VCore.

When I set Vcore to "Auto" the system boots just fine and everything works; but CPU-Z is giving me an insane 1,6V on the CPU which is WAY overkill; so I want to set it manually..

I haven't tried any further but seriously, 1,4V for 3500 MHz on a Thuban and the system wont even boot? That just cant be right.

EVERY single thuban I've seen could do 3,5 GHz with standard VCore; hell some even run them underclocked @ 1,27V with 3,5 GHz and mine won't even boot into Windows with 1,4V ?

I know it depends on luck and that theres 'good' samples that will run with lower VCore than others; but in this case the VCore that's needed just seems waaay off.

FSB is 250 and HT/NB multipliers are set to 8x, so they're running at standard 2000 MHz.
RAM divider is also set down so it's running within specification aswell.

Is that Thuban sample really that bad?

I'm using an Asus Crosshair II Formula with newest BIOS.
Would be glad if anyone could come up with a solution or make suggestions.

On another note; theres no LLC or TurboCORE option in my BIOS at all, whats up with that?
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post #2 of 27
Maybe you have the worst Thuban in exsistence? RMA it?
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post #3 of 27
u need to up the NB CPU VID voltage

im at 3510mhz with 1.35v CPU voltage and the NB CPU VID is i think 2 or 3 steps above the normal

u can also try to put the NB voltage up by 1-2 steps




if this is your correct BIOS menu up the CPU/NB Voltage by a 1-3 steps and 1-2 step on NB voltage
CHECK TEMPERATURES RIGHT AWAY AFTER BOOT OR IN BIOS

EDIT: put ur ram to ur slowest safe settings like bottom guy suggests and afterwards once its stable u can improve the timings 1 by 1
Edited by Germanian - 4/18/11 at 9:51am
    
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post #4 of 27
Quote:
Originally Posted by toX0rz View Post
hey,

as already posted on the 1055T Owners thread, I'm having trouble OC'ing my 1055T.. more precisely I think the Vcore needed for my OC cant be right somehow..

Basically, the system crashes and BSOD's right after POST when booting windows; thats with a 3500 MHz @ 1,4 VCore.

When I set Vcore to "Auto" the system boots just fine and everything works; but CPU-Z is giving me an insane 1,6V on the CPU which is WAY overkill; so I want to set it manually..

I haven't tried any further but seriously, 1,4V for 3500 MHz on a Thuban and the system wont even boot? That just cant be right.

EVERY single thuban I've seen could do 3,5 GHz with standard VCore; hell some even run them underclocked @ 1,27V with 3,5 GHz and mine won't even boot into Windows with 1,4V ?

I know it depends on luck and that theres 'good' samples that will run with lower VCore than others; but in this case the VCore that's needed just seems waaay off.

FSB is 250 and HT/NB multipliers are set to 8x, so they're running at standard 2000 MHz.
RAM divider is also set down so it's running within specification aswell.

Is that Thuban sample really that bad?

I'm using an Asus Crosshair II Formula with newest BIOS.
Would be glad if anyone could come up with a solution or make suggestions.

On another note; theres no LLC or TurboCORE option in my BIOS at all, whats up with that?
It's your RAM. Manually set your timings. I was wondering why my computer wouldn't boot after installing Gskills. I manually set my times to 9-9-9-24-31-2T and my CPU can do 304FSB at 1.4V.
    
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post #5 of 27
First thing that comes to my mind is that you are running an AM2+ board that really wasnt designed for that CPU... new BIOS or not still seems shifty to me... I could be totally wrong though, just a thought
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post #6 of 27
Did you update your bios? I mean the latest version, not only the thuban support version.

I have seen foxconn am2+ doing fine with thuban. Good overclock as well, better than mine, it's posted somewhere in this forum.
Edited by otaku_ex - 4/18/11 at 9:58am
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post #7 of 27
Thread Starter 
Quote:
Originally Posted by listen to remix View Post
It's your RAM. Manually set your timings. I was wondering why my computer wouldn't boot after installing Gskills. I manually set my times to 9-9-9-24-31-2T and my CPU can do 304FSB at 1.4V.
ok, I dont know much about RAM timings, anyone here that can help me out?
It's a 1066MHz RAM running at 5-5-5-15-31-2T stock.
I set it to 800 MHz (5-5-5-18-23) and when going 250 FSB the RAM clocks with 500MHz (effective 1000MHz).
What would be adequate timings for that setting?


Quote:
Originally Posted by Phobos223 View Post
First thing that comes to my mind is that you are running an AM2+ board that really wasnt designed for that CPU... new BIOS or not still seems shifty to me... I could be totally wrong though, just a thought
yeah, I've been wondering that myself too if thats cause..


Quote:
Originally Posted by otaku_ex View Post
Did you update your bios? I mean the last version, not only the thuban support version.

I have seen foxconn am2+ doing fine with thuban. Good overclock as well, better than mine, it's posted somewhere in this forum.
yes, latest version is 2607 according to Asus website and afaik thats the first and only thuban BIOS for that motherboard.


@ Germanian
I'm confused. I set the NB multiplier down to 8x so that the final NB speed is 2000MHz, same as stock (10x200).
Why would I need to up the voltage then?
Edited by toX0rz - 4/18/11 at 10:16am
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post #8 of 27
Thread Starter 
ok I tried increasing the VDDNB (which is NB-VID I assume) by .15 and set Vcore from Auto to 1,35 just to see if NB-Vid was the cause.

Well, first try I got an error massage right after POST saying "BOOTMGR corrupted, could not boot".
The next 4 tries it would just randomly freeze after POST or in BIOS. Then I started getting hieroglyphics; the whole font in POST and BIOS was distorted.

so was that too much VDDNB or too less?
+150mV was the second step only.. lowest would be +100mV

Reverted BIOS so system works now.

so what the hell.
Edited by toX0rz - 4/18/11 at 12:17pm
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post #9 of 27
Quote:
Originally Posted by toX0rz View Post
ok, I dont know much about RAM timings, anyone here that can help me out?
It's a 1066MHz RAM running at 5-5-5-15-31-2T stock.
I set it to 800 MHz (5-5-5-18-23) and when going 250 FSB the RAM clocks with 500MHz (effective 1000MHz).
What would be adequate timings for that setting?



yeah, I've been wondering that myself too if thats cause..



yes, latest version is 2607 according to Asus website and afaik thats the first and only thuban BIOS for that motherboard.


@ Germanian
I'm confused. I set the NB multiplier down to 8x so that the final NB speed is 2000MHz, same as stock (10x200).
Why would I need to up the voltage then?

The problem is your RAM. I have exactly the same problem atm is if up the FSB anymore i get BSOD during windows loading bar.

Your using 1333Mhz RAM you need 1600mhz to effectivly overclock.

look at something like this

http://www.overclockers.co.uk/produc...d=8&subid=1517
Edited by passey - 4/18/11 at 12:14pm
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post #10 of 27
Thread Starter 
Quote:
Originally Posted by passey View Post
The problem is your RAM. I have exactly the same problem atm is if up the FSB anymore i get BSOD during windows loading bar.

Your using 1333Mhz RAM you need 1600mhz to effectivly overclock.

look at something like thishttp://www.overclockers.co.uk/productlist.php?groupid=701&catid=8&subid=1517
Why does it work when I set CPU Voltage to Auto then? That doesnt affect RAM, does it?

Btw this is an AM2+ board, the RAM is DDR2-1066.
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