athlon x4 630 oc

Shingi

Senior member
Oct 7, 2000
478
0
76
Hey guys,

Just got an old x4 630 here. Pop it in my a770e3 and start to oc it. I realize that I'm not too scared to fry it. It is old tech and spare parts anyway. I manage to get it to 250fsb x14 so 3.5ghz @ 1.392 volts. Problem is nb is only stable at 2000mhz. Ht is left at 2000mhz. both confirm by cpu-z. When I increase the nb to 2500mhz it doesn't pass intel linpack. it runs but will error saying unstable. stock cpu-nb volt is 1.125 increase that to 1.2 and pass only 5 rounds, and same thing.

My question is how high can you up the cpu-nb volt and do I need to up the chipset voltage since I'm at 250fsb. Chipset voltage is currently at stock. CPU temp tops out at 46* afer linpack 5 rounds. So I don't think cooling is an issue.

What do I need to do to get it stable at 2500mhz on nb? or Do I just back it down to 2000. memory is at 833 and is stable. confirm with memtest6+ and also no errors when nb is 2000mhz so I don't think memory is an issue.

Please Chime in with your OC expertise.

thanks,
 

VirtualLarry

No Lifer
Aug 25, 2001
56,572
10,207
126
I'm not sure what you think that you will gain from upping the CPU-NB clocks?

On the Phenom X4 chips, I believe that the L3 cache clock was the same as the CPU-NB clock, so increasing that speed increased the L3 cache speed, resulting in increased performance, especially for gaming.

But the Athlon II X4 lacks any L3 cache. Thus, you really don't gain anything. (Other than possible instability.)

I would be happy with a 3.5Ghz core overclock, with 2000 CPU-NB clock. That's a decent OC for an Athlon II X4 chip, as far as I know.
 

SPBHM

Diamond Member
Sep 12, 2012
5,066
418
126
yes, I don't think it's worth overclocking the NB on a CPU with no l3 cache, it could give good gains for the Phenom II, but in your case I think the core clock is what you need as high as possible for best performance, HT/NB at 1800-2000 should be fine.
 

DeathReborn

Platinum Member
Oct 11, 2005
2,786
789
136
In all my Athlon II overclocking (using 785 chipset) the NB never gave anything but issues over 2.2GHz and 4 of 6 didn't like anything over 2GHz. It's a pretty good OC and as has been said, leave the NB at 1.8-2GHz as you won't gain anything other than issues.