Overclocking using AI NOS

[TheMafioso]

Hi Guys,

I've recently bought asus p5b vanilla w/ e4300 CPU..
I've selected AI NOS in BIOS to overclock by 20% when CPU Load rises ... There are 2 modes mainly:

Heavy Load: This mode only changes speed when CPU Load is very high

Sensitive: This changes speed even on slight increase on CPU Load

I've selected the sensitive mode, but I find CPU switches speed quite often...So I wanted to know if its safe to use it this way, can this frequent switching of speeds harm the CPU ?

Regards,

 

[GuitarDaddy]

It's safe, the only reason I don't use it is with the O/C percentages it gives you it hardly makes a difference. With the great overclocking headroom these chips have, I could never settle with a 20% overclock, when 70-80% is pretty easy on these babies.

 

[Boyo]

Don't use the AI NOS to OC your rig. Just go into BIOS and make the changes. A 20% OC on a C2D is very small.

 

[TheMafioso]

Actually tempratures are a problem, so just using AI NOS for the time being till I get an after market cooler...
BTW any way to increase OC by AI NOS, by modding BIOS or like that, I think its a really great concept, if it could only OC to higher % ..

 

[GuitarDaddy]

Not that I know of. But you can use the free downloadable program "RMclock" to accomplish pretty much the same thing. The only problem with RMclock is it doesn't currently provide vcore higher than stock for C2D's, but so many of these C2D's will overclock quite high on stock vcore that it's still a nice option.

Unfortunately for me my E6400 is not one of those that will go very high on stock vcore, it overclocks quite well but it needs increased volts to do it, so RMclock isn't a great option for me. I'm also currently running the stock HSF and temps are a problem as I get higher, until I get better cooling.

My Asus board(P5B-E) has a nice feature in bios that I'm using called "overclock profiles"
which allow you to store two different sets of overclocked settings. I have them setup high/low. My low setting is a conservative 2.8ghz with a very small bump in vcore that I use 24/7 when doing normal stuff and web surfing, my high setting is a more aggresive 3.3ghz with a bigger bump in vcore. If I want to do some encoding or play a CPU intense game or do some number crunching, I just enter the bios when I boot up and switch to the high profile.

 

[zephyrprime]

When I ran it on my system, I found that it clocked my ram to very low speeds so I stopped using it.

 

[TheMafioso]

With AI NOS i've noticed that a little CPU voltage adjustment also takes place automatically with change in speed...
I was thinking maybe I could do BSEL pin mod with my e4300 to have it OCed @ 2.4GHz, and then with AI NOS@20% it would automatically take it to around 2.9GHz, not bad consdering, not bad.....since I most of the time don't need that much computing power and don't need to stress my components, only while playing games I need this power....

So any chances of this working, or is it my brain thinkin too much..?

Originally posted by: zephyrprime
When I ran it on my system, I found that it clocked my ram to very low speeds so I stopped using it.

It OC's the ram too automatically...You set the threshold in the begining like 533 or so...then it automatically OCes the RAM by the amount it raises the FSB..