my phenom 965 c3 clocking

gareth170 · 5 Jan 2010 at 11:07

Martini1991 said:
I'm running at 3.9GHZ, where i've done more than 10 loops.
I don't need your "expert advise"...
I just don't see the need to justify myself to you or anyone else.

its not about justifying yourself. people are only trying to help mate.

if your o/s crashs and doesn't boot back up due to a unstable system or even a slightly unstable system, you'll be ****** off because you'll need to reinstall everything. or another thing is if your doing something important and if the system crashs.

if a game or app that u use doesn't crash the 1st, or 2nd time, doesn't mean it won't crash sometime in the future if the system is unstable or slightly unstable.

gareth170 · 5 Jan 2010 at 11:46

does everybody know if the cpu-nb voltage is safe at 1.25v? the stock is 1.1v

the cpu temp hasn't changed, its still 48c under load. i thought the cpu temp goes higher if u up the cpu-nb voltage..

edit: i've found this on amd site...

http://game.amd.com/us-en/content/pdf/AMD_Dragon_AM3_AM2_Performance_Tuning_Guide.pdf

Pneumonic · 5 Jan 2010 at 12:19

yeah 1.4 - 1.5v under air

Martini1991 · 5 Jan 2010 at 14:56

gareth170 said:
does everybody know if the cpu-nb voltage is safe at 1.25v? the stock is 1.1v

the cpu temp hasn't changed, its still 48c under load. i thought the cpu temp goes higher if u up the cpu-nb voltage..

edit: i've found this on amd site...

http://game.amd.com/us-en/content/pdf/AMD_Dragon_AM3_AM2_Performance_Tuning_Guide.pdf

AMD's overdrive allows for 1.55V on the NB.

gareth170 · 5 Jan 2010 at 16:22

Martini1991 said:
AMD's overdrive allows for 1.55V on the NB.

i know but for air cooling amd recommands 1.50v max for the cpu-nb and cpu voltages, see the picture..

Martini1991 · 5 Jan 2010 at 16:24

gareth170 said:
i know but for air cooling amd recommands 1.50v max for the cpu-nb and cpu voltages, see the picture..

Fair enough lol.

gareth170 · 5 Jan 2010 at 16:42

now i'm at 3.8ghz, 2.6ghz NB, 7-7-7-20 ram timings. prime95/ibt/linx stable

now trying for 7-7-7-20 1t

Nocky24 · 5 Jan 2010 at 16:52

I thought the C3 stepping was the answer to getting the illusive 4GHz which was a problem for the previous stepping. Isn't that the case? :/

gareth170 · 5 Jan 2010 at 16:55

Nocky24 said:
I thought the C3 stepping was the answer to getting the illusive 4GHz which was a problem for the previous stepping. Isn't that the case? :/

4ghz can be done but it needs 1.5v+..

its better to have 3.8-3.9ghz with a high NB frequency, than a 4ghz core clock with a 2.2ghz nb

lemzip · 5 Jan 2010 at 18:20

agreed. The high NB freq will speed up the machine more then a extra 100Mhz, let alone the increase in vcore for the extra mhz

Pneumonic · 5 Jan 2010 at 18:47

Air struggles to breach 4ghz... the 955/965 like to be kept cool if you can keep them under 50c then you can get 4ghz+ primstable at reasonable voltage (1.45v).. if you are pushing 55c - 60c then you are going to need 1.5v+ although the CPU's should be fine up to 1.55v.. if you can keep the temperatures sub 40c then there are examples on XS of 965 running prime @ 4ghz at around 1.375v

common stable air clocks are 3.9 - 4ghz, water can reach 4.2ghz... vcore very much dependant on temperature

gareth170 · 5 Jan 2010 at 18:55

Pneumonic said:
Air struggles to breach 4ghz... the 955/965 like to be kept cool if you can keep them under 50c then you can get 4ghz+ primstable at reasonable voltage (1.45v).. if you are pushing 55c - 60c then you are going to need 1.5v+ although the CPU's should be fine up to 1.55v.. if you can keep the temperatures sub 40c then there are examples on XS of 965 running prime @ 4ghz at around 1.375v

common stable air clocks are 3.9 - 4ghz, water can reach 4.2ghz... vcore very much dependant on temperature

true

but that also depends what stock vid u get.

also said its better to have a 3.8-3.9ghz core clock with a high NB frequency, than a 4-4.2ghz core clock with a 2.2ghz nb

Pneumonic · 5 Jan 2010 at 20:05

yup IMC clock makes a lot of difference to the performance if you can get 2.8ghz you certainly notice the difference over 2ghz stock

gareth170 · 5 Jan 2010 at 20:58

3.8ghz, 2.6ghz NB, 7-7-7-20 1t..

gareth170 · 6 Jan 2010 at 12:31

weird today prime95 found a error in 3 minutes with the same settings as above...

i know its not the cpu clock because the system didn't crash. its ether nb or ram. i've set the ram timing back to 7-7-7-20 2t and im running prime95 again. so far its fine.

Martini1991 · 6 Jan 2010 at 12:35

gareth170 said:
weird today prime95 found a error in 3 minutes with the same settings as above...

i know its not the cpu clock because the system didn't crash. its ether nb or ram. i've set the ram timing back to 7-7-7-20 2t and im running prime95 again. so far its fine.

Temperatures?
These Phenom II's throw a wobbly at certain temperatures.

gareth170 · 6 Jan 2010 at 12:37

Martini1991 said:
Temperatures?
These Phenom II's throw a wobbly at certain temperatures.

same 47-48c

as i said i know its not the cpu clock because the system didn't crash

gareth170 · 6 Jan 2010 at 12:44

my ram default settings are 1600 7-7-7-20 1.7v but with 1.7v i can't run them at 7-7-7-20 , so i was told 1.75v would be fine, is that right? 7-7-7-20 is stable with 1.75v

deusexlumina · 6 Jan 2010 at 15:57

yeah cant't see any problem with that, quite nice timings and speed there for the ram tbh

gareth170 · 6 Jan 2010 at 16:11

I fancy boys said:
yeah cant't see any problem with that, quite nice timings and speed there for the ram tbh

thanks

yeah my ram are Patriot amd gamer 'PGS34G1600LLKA, i had to rma the first set because it wouldn't run at 1600. the replacement are better.

so far it's done 4hours on prime95 , blend