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Help needed overclockig asrock 970 x3 and athlon iix3 450

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August 19, 2012 2:56:15 AM

I am attempting to tweak my current system for optimal performance:

asrock 970 extreme 3
athlon ii x3 450 rana 3.2 ghz
coolermaster hyper 212
gigabyte hd 6850 (not oc'ing)
antec earthwatts 430
win 7 64-bit
gskill 1333 1.5v 99924

I have not found any guides to overclocking this cpu/mobo combination on the net. What would be the ceiling for my cpu, nb and ht link frequencies and volts? I have had my cpu volts up to 1.45 at 3.68 frequency with nb and ht link @ 2300 each. Northbridge voltage was @ 1.2 but i get a bsod after several hours of p95 blend test.

What would be a safe limit for my nb, cpu and ht link? What is the maximum safe voltages? I have underclocked my ram and manually set factory settings of 99924 1066. Temps have not passed 55c running prime 95, but like I said earlier it bsods after several hours.

I would like to get optimum settings for performance out of my cpu, nb and ht link.

Best solution

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a c 78 à CPUs
a b K Overclocking
August 19, 2012 3:02:37 AM

What frequency did you get to before you started messing with the NB and HT?

You generally want to minimize variables in the process, so I would start by seeing how fast the base clock can go, then the CPU. (all while keeping the HT link and NB as close to stock as possible with both speed and voltage.

Once the max CPU speed is found with stocki-ish voltage, I would then experiment with faster speeds and higher vcore voltages.

I wouldn't touch the HT or NB voltages until after I had hit the stability "wall" with the CPU Vcore adjustments.
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August 19, 2012 3:04:35 AM

Ok so I will lower nb and ht to stock and re-post with results of cpu max frequency.
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August 19, 2012 3:24:43 AM

Z1NONLY said:
What frequency did you get to before you started messing with the NB and HT?

You generally want to minimize variables in the process, so I would start by seeing how fast the base clock can go, then the CPU. (all while keeping the HT link and NB as close to stock as possible with both speed and voltage.

Once the max CPU speed is found with stocki-ish voltage, I would then experiment with faster speeds and higher vcore voltages.

I wouldn't touch the HT or NB voltages until after I had hit the stability "wall" with the CPU Vcore adjustments.



I have an option in bios for cpu nb voltage. What should I set that at? Also, Northbridge and HT Link voltage are set to Auto, but I am just confused as to what to set cpu nb voltage to (no option for auto).

current settings:
fsb 250
cpu x14.5 @ 3625 (voltage set to 1.4125)
nb x8 @ 2000 (cpu nb volt set to 1.1625) not sure what default is.
ht 2000 (no ht link multiplier, it changes with nb multiplier)

hwmonitor readings while running p95 on blend:
cpu temps 50c
cpu vcore 1.45v
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August 19, 2012 3:42:19 AM

well still not sure what to put CPU/NB volts to but after reading online for almost 30 mins I have found much contradiction. Some say up to 1.2v and some say up to 1.3v. some say only increase it when you hit cpu frequency ceiling.

I have been running p95 for about 20 mins and temps have increased to 54c then fall back down to 53c
so i will try to increase the multiplier to 15 and see what happens....
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August 19, 2012 4:15:58 AM

I am up to 15.5 cpu multi which gives 3.875 ghz but computer is restarting right after i start p95, so i will try to up the volts on nb/cpu and vcore and see what happens. NB and HT are still at 2000 and nb/cpu volts are at 1.1875.

I will be very happy if i can get 4.0 stable.
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August 19, 2012 6:49:13 AM

Best answer selected by huizcomedy.
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August 19, 2012 6:50:13 AM

After messing around for several hours I am finding that my cpu's wall is about 3.6ish. As for the NB and HT link I finally found a great website (linked below) to explain everything about oc'ing NB and HT link. As for the NB-cpu voltage most people start at 1.18ish and go as high as 1.3v. And always keep |NBvoltage| (not nb-cpu voltage) on auto if you can.

HOpe this helps anyone out.


http://www.homepcbuilder.com/overclocking/amd-phenom-ii...
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August 19, 2012 1:59:28 PM

This topic has been closed by Area51reopened
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