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Highest 890FX NB OC You Have Accomplished - Page 2

post #11 of 22
sorry, i edited my post with more info, it's definitely x15 since my bus speed is 200
post #12 of 22
Thread Starter 
Quote:
Originally Posted by koven View Post
sorry, i edited my post with more info, it's definitely x15 since my bus speed is 200
ugh -_-.. lol

so for NB you used x15? not CPU-NB right
    
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post #13 of 22
3380 MHz (seen as 3393 MHz in MaxxMEM) took me about 1.55v, maybe 1.575v...
I can do at least 3430 MHz running chilled and slightly iced distilled through the loop...


Edited by adamlau - 1/27/11 at 11:08pm
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post #14 of 22
nice run adam

Quote:
Originally Posted by fRingE View Post
ugh -_-.. lol

so for NB you used x15? not CPU-NB right
yes, theres only one nb freq, but there's two different voltages, cpu-nb and nb
post #15 of 22
Thread Starter 
Quote:
Originally Posted by koven View Post
nice run adam



yes, theres only one nb freq, but there's two different voltages, cpu-nb and nb
k tyvm..
    
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post #16 of 22
You shouldn't have to touch NB voltage to get higher NB freq since the NB is AMD's version of the Uncore and is on the CPU die. CPU-NB voltage is really all you need to change to get higher NB freq.
post #17 of 22
Thread Starter 
Quote:
Originally Posted by decimate View Post
You shouldn't have to touch NB voltage to get higher NB freq since the NB is AMD's version of the Uncore and is on the CPU die. CPU-NB voltage is really all you need to change to get higher NB freq.
on my ASUS 785G board I overclocked the NB itself. So there is no reason to OC the NB then.. Because the CPU-NB just controls the IMC, and the NB controls RAM, ROM, BIOS, GPU, CPU etc...
    
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[AMD] Phenom II x4 955 C2 @ 3.6GHz 1.385v [Biostar] TA890FXE (NB @ 2400MHz 1.25v) [MSI] GTX 560 Ti TFII GE @ 1000/2000/2100 1.087v [OCZ] 4GB Gold Series DDR3 1333MHZ 9-9-9-20 2T 
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post #18 of 22
NB Voltage: 1.35v -1.40v if you are overclocking all four DIMM slots to the max
CPU-NB: Anything over 2925 MHz is a solid C3 (I know you have a C2) run
CPU-NB Voltage: 1.45v - 1.50v under water should do the trick

You have a 240 on your C2. You can afford to play with high voltages. And thanks, koven .
I was able to hold the following 970 C3 run stable on air with CPU-NB at 1.45v (LLC to 1.51v) ...


Edited by adamlau - 1/27/11 at 11:43pm
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post #19 of 22
Thread Starter 
Ok so let me see if I got this right:

NB Voltage: 1.35v - 1.40v
CPU-NB: 2925+ (I have a C2 so?)
CPU-NB Voltage: 1.45v - 1.50v
FSB: 240?
Multiplier: w/e

so that's what I should have?
    
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[AMD] Phenom II x4 955 C2 @ 3.6GHz 1.385v [Biostar] TA890FXE (NB @ 2400MHz 1.25v) [MSI] GTX 560 Ti TFII GE @ 1000/2000/2100 1.087v [OCZ] 4GB Gold Series DDR3 1333MHZ 9-9-9-20 2T 
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[WD] 320GB SATA II HDD [Windows] 7 Home Premium 64bit [ASUS] VE248H 1920x1080 60Hz 2MS LED [Logitech] K120 
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[AMD] Phenom II x4 955 C2 @ 3.6GHz 1.385v [Biostar] TA890FXE (NB @ 2400MHz 1.25v) [MSI] GTX 560 Ti TFII GE @ 1000/2000/2100 1.087v [OCZ] 4GB Gold Series DDR3 1333MHZ 9-9-9-20 2T 
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[WD] 320GB SATA II HDD [Windows] 7 Home Premium 64bit [ASUS] VE248H 1920x1080 60Hz 2MS LED [Logitech] K120 
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post #20 of 22
If you are trying to overclock you CPU-NB exclusively? The multiplier and bus speed should not matter, simply choose a combination that reveals a 2900 MHz, or so frequency. Downclock your CPU and memory frequencies accordingly. 4GB 1333 MHz @ 9-9-9-20 2T? No need to touch your NB voltage .
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