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Q6600+HD4850

Last response: in Overclocking
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November 22, 2010 1:02:10 AM

Hello,
So i have a Q6600@2.8GHz and i can hit 3.0GHz but its not to stable :(  and anything after it doesn't boot. I have Abit IB9 Motherboard with latest Bios update and the reason i wanna get over 3.0GHz is cause i would like to improve my 3Dmark06 Score, This Q6600 should be hitting at least 3.6GHz stable Thus a higher score :D 

I have PNY 4x1GB sticks of 667 ram, 500 watt psu and Asus HD4850 @ 700Mhz/1140 (Stock 625Mhz/1004Mhz)

Here are a few pics of my hardware and current status......


Bigger pic HERE

Bigger pic HERE
Thanks!!!

More about : q6600 hd4850

Best solution

November 22, 2010 8:06:01 AM

its seems you have problem with your motherboard :S as i see it only support FSB 1066.
i have Q6600 as well on GA-EP45-DS4P @ 3.6 stable
but try those setting
Vcore at 1.42
FSBC at 333 = 333x9 = 3.00 MHz and that the max you can get with stable setup on ur mobo

even try to push higher
Vcore at 1.48
FSBC at 355 = 3.20 GHz

also on both setting above set the memory at 2.00D at stander performance

P.S : can you tell me , from where you got all those Gadget i kinda liked them allx:D 
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November 22, 2010 8:40:12 AM

Yeah i thought the FSB on my board was it but the thing is i have the new E6300 2.8Ghz stock oc'ed at 3.8Ghz Stable and my FSB was like 1600Mhz so i don t get why i can get past only 1300Mhz FSB with my Q6600......but i will go try those settings.

Btw here are the gadgets and they are all free ;) 

CPU Gadget
GPU Gadget
Clock Gadget
Wireless Network Gadget
Weather Gadget
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Related resources
November 22, 2010 8:49:28 AM

timmy121 said:
Yeah i thought the FSB on my board was it but the thing is i have the new E6300 2.8Ghz stock oc'ed at 3.8Ghz Stable and my FSB was like 1600Mhz so i don t get why i can get past only 1300Mhz FSB with my Q6600......but i will go try those settings.

Btw here are the gadgets and they are all free ;) 

CPU Gadget
GPU Gadget
Clock Gadget
Wireless Network Gadget
Weather Gadget


first thank you for the Gadgets :D 
and have you tried the Vcore above /\ , beisde could you tell me what your CPU Step . Mines is G0 its easy to overclock than B3 step


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November 22, 2010 9:37:07 AM

Well i didn't go past 1.36v cause i don't wanna damage/risk my CPU, so at 1.36v i did 333x9 and it was fine and 100% load temps where 57c max and anything over 345x9 it would get to the windows loading screen(start up) then restart.

So maybe its cause my V core is too low but i really don't wanna go up to 1.4v+......Here is a new pic and i got like 500 points on 3Dmark 06 and I'm sure that if i can get my Q6600 at 3.6Ghz or better i would easily hit over 14k.

Oh and my stepping is G0, look on the CPU-z its on there.



Bigger pic HERE
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November 22, 2010 9:44:22 AM

yup , i still wonder how you got FSBC 333 with 1.36 and stable hmmm
and yup u need to pass 1.4 to get more FSBC.....
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November 22, 2010 9:49:15 AM

lol well i don't know how either but its the same with my E6300 had it at 3.8Ghz with 1.36 V core for over 4 months till i got my Q6600.
And you are sure i need more V core to get it to boot? i really don't wanna damage my CPU
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November 22, 2010 9:52:16 AM

Am sure you CPU can handle it but ........... i don't know about ur mobo
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a c 197 K Overclocking
November 22, 2010 1:23:10 PM

Your RAM is limiting your overclock. Running DDR2-667 RAM at rated speed will take you to 3.0 GHz assuming that you are running your FSB:RAM ratio at 1:1 (memory clock at twice the FSB freq).

You should be able to reach 3.3 GHz fairly easily by pushing the FSB freq to 367 MHz (DDR2-733 speeds) by increasing RAM voltage to 2.2 volts and relaxing the memory timings a little.

To go any farther, you can try locking the memory clock on 667 MHz and increasing the FSB.

Max vcore for a Q6600 is 1.5 volts. Max load temps are 70 C. Even with good cooling, you are likely to max temps out first.
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November 22, 2010 7:16:49 PM

jsc said:
Your RAM is limiting your overclock. Running DDR2-667 RAM at rated speed will take you to 3.0 GHz assuming that you are running your FSB:RAM ratio at 1:1 (memory clock at twice the FSB freq).

You should be able to reach 3.3 GHz fairly easily by pushing the FSB freq to 367 MHz (DDR2-733 speeds) by increasing RAM voltage to 2.2 volts and relaxing the memory timings a little.

To go any farther, you can try locking the memory clock on 667 MHz and increasing the FSB.

Max vcore for a Q6600 is 1.5 volts. Max load temps are 70 C. Even with good cooling, you are likely to max temps out first.


Oh wow see i didn't know the max vcore was 1.5 volts cause on my Q6600 box says 1.35Volts max.

And as for the ram i think its fine cause like i said i got my E6300@3.8Ghz@1.36 volts for over 4 months stable till i got my Q6600 and i had my ram at a 1:1 ratio and only increased the volts to the memory to 1.95.

But yeah so if max on Q6600 is 1.5 Volts i bet i can get where i want to then, Gonna go try and I'll be watching my temps.....
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November 22, 2010 7:53:36 PM

OK well i got it to post at 3.2Ghz/3.4Ghz/3.6Ghz/3.8Ghz and even 4.0Ghz having the Vcore to 1.48volts but every time i get to the windows start up screen it just resets (no blue screen) and i tried increasing my north bridge volts and memory and still restarts at start up, So i think it might just be my motherboard then again it doesn't make sense cause my E6300@3.8Ghz was fine

Maybe its just my Q6600 as in like i didn't get so lucky, It is G0 stepping but some people can get to 3.6Ghz to save their life lol

I'm thinking maybe its time for a new motherboard :??:  Mine only supports up to like XQ6800 for the quads and E6600 and lower for dual core

CPU Support list
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November 29, 2010 2:30:32 AM

Best answer selected by timmy121.
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November 29, 2010 9:48:45 AM

timmy121 said:
OK well i got it to post at 3.2Ghz/3.4Ghz/3.6Ghz/3.8Ghz and even 4.0Ghz having the Vcore to 1.48volts but every time i get to the windows start up screen it just resets (no blue screen) and i tried increasing my north bridge volts and memory and still restarts at start up, So i think it might just be my motherboard then again it doesn't make sense cause my E6300@3.8Ghz was fine

Maybe its just my Q6600 as in like i didn't get so lucky, It is G0 stepping but some people can get to 3.6Ghz to save their life lol

I'm thinking maybe its time for a new motherboard :??:  Mine only supports up to like XQ6800 for the quads and E6600 and lower for dual core

CPU Support list


yea its make no sense , but seems like your mobo start dieing
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