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Northbridge and HT Frequency Q's

post #1 of 5
Thread Starter 
Okay, so I heard back a while ago the HT Frequency doesn't do jack but make your PC Unstable. I heard many times the CPU-NB Frequency does increase performance. Now, I overclocked my CPU Via FSB (And I have used the multiplier before, but I had to manually switch the CPU-NB Freq.) and it's current times are:

CPU: 3720Mhz (240Mhz x15.5 = 3720)
CPU-NB - 2400Mhz
HT Freq. - 2400Mhz

I don't know why the HT Frequency automatically OC'd to the CPU-NB Frequency, and should I put it back to 2000Mhz?


Also, my DDR3 is @ 1280Mhz (which you wont see jack FPS Increase really from having faster memory when gaming).
post #2 of 5
If you leave ht on auto it automatically adjusts itself for the rest of the overclock. I'd put it back to 2000 since it's been shown to even decrease performace when it goes up.
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The War Machine
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post #3 of 5
I don't believe what people say about HT, it seems to have no effect.
post #4 of 5
Thread Starter 
Quote:
Originally Posted by linkin93 View Post
I don't believe what people say about HT, it seems to have no effect.
It will still see an effect (If your using a 7xx, or 8xx chipset the most) - I think the 9xx chipsets sorta fixed that bug.
post #5 of 5
Quote:
Originally Posted by Nvidia-Brownies View Post
Okay, so I heard back a while ago the HT Frequency doesn't do jack but make your PC Unstable. I heard many times the CPU-NB Frequency does increase performance. Now, I overclocked my CPU Via FSB (And I have used the multiplier before, but I had to manually switch the CPU-NB Freq.) and it's current times are:

CPU: 3720Mhz (240Mhz x15.5 = 3720)
CPU-NB - 2400Mhz
HT Freq. - 2400Mhz

I don't know why the HT Frequency automatically OC'd to the CPU-NB Frequency, and should I put it back to 2000Mhz?


Also, my DDR3 is @ 1280Mhz (which you wont see jack FPS Increase really from having faster memory when gaming).
When you oc by refclock it oc's cpu,HT,NB and ram,using there respective multi's times the refclock.Here is a chart that shows what each setting will be as you increase the refclock http://www.overclock.net/amd-cpus/59...ram-chart.html

The NB is at optimal(2400) for 1600mhz ram.
The HT should be at around 2000mhz,just drop the HT multi to x8 for 1920mhz.
Set the fsb/dram ratio up one to 667/6.66/1333 ,how ever it is in your bios so the adjusted dram freq reads 1598mhz.

Good luck

Gyro
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