I need quick (yes / no) answers for simple questions

[Keth]

I started overclocking for my first time week ago. I managed to get my i7 to around 3.72GHz stable in full stress test (2 hours).

My questions are:

1. Does CPU temperature gets higher when I increase the CPU voltage?
2. Does CPU temperature gets higher when I increase the BCLK?
3. Does 19 (multipler) x 200 (bclk) makes any difference to 20 x 190 (not considering RAM Hz)? If so, what's the difference?
4. If the system is stable for hours of stress, does it mean it will be stable later on? (like in gaming, rendering, etc)
5. Why my PC sometimes doesn't start when I restart? Sometimes I need to restart it twice. Does it has to do anything with voltages or overclocking?

Thank you in advance,
~kwketh

 

[mollymoo]

I can answer number 1 ...... yes
Everything else ............ I dunno

 

[Deaco]

1 - Yes

2 - A little but, as you usually increase volts to become stable, then yes.

3 - Depends on your chip, if it's the extreme version then you can modify the multiplier, but the 940 or 920 are multiplier locked so you can only change the BCLK.

4 - If you use a torture program like prime for 8 hours or so it should be ok for most tasks. However if it hasn't been tested for a long length of time it may not be stable and could still be unstable in certain situations.

5 - Could be. My motherboard goes through a couple of restarts if the overclock settings arn't kosher, and so has to restart and load up from the other bios chips (has dual bios).

 

[mrthingyx]

I started overclocking for my first time week ago. I managed to get my i7 to around 3.72GHz stable in full stress test (2 hours).

My answers are in bold:

1. Does CPU temperature gets higher when I increase the CPU voltage? Yes
2. Does CPU temperature gets higher when I increase the BCLK? Yes, but not as much as just increasing the voltage...
3. Does 19 (multipler) x 200 (bclk) makes any difference to 20 x 190 (not considering RAM Hz)? If so, what's the difference? Yes - higher BCLK means the CPU will do more in a given time frame as more components are sped up using the BCLK than just the multiplier.
4. If the system is stable for hours of stress, does it mean it will be stable later on? (like in gaming, rendering, etc) No. Stress testing provides you with assurance that your computer is stable for that stress test. Using Prime 95 for two hours will tell you that your computer is stable calculating Mersenne Primes for 2 hours - nothing more. Proper stability testing requires a combination of gaming, rendering, number-crunching, video-encoding, zip-ing and everything else a computer may be expected to do in a given lifetime. As this is normally too much for most people with lives, 8hrs of Prime is normally taken (incorrectly) to mean that a computer is stable.
5. Why my PC sometimes doesn't start when I restart? Sometimes I need to restart it twice. Does it has to do anything with voltages or overclocking?
   Maybe. Some boards have slightly buggy BIOS configurations which give them problems with cold/warm booting. Not being familiar with yours, I don't know whether this is true in this instance. However, overclocking does play a part in that if your computer is unstable or overheating (going by the temperatures in your other thread, this may be a culprit) then the motherboard will enter a safe mode (i.e. not boot) if it is too hot or the overclock causes such instability that it trips the safety circuits.

You're most welcome.

Do some more reading and you should get even more detail on the answers you seek.

 

[Keth]

Thank you guys for quick answers. I appreciate your time.

It's has been few days since I started overclocking and I see I already learned lots of things.

Thank you again,
~Keth