New to Overclock Celeron 2 633

[brezaee]

I am wanting to overclock my Celeron 2 633. I have msi 6309 motherboard which i heard was good for overclocking. Wanting to know how much to overclock my processor to so that it would be stable and if anyone has overclocked this kind of motherboard could tell me how to do it. I am also wanting to know what i would need to overclock the processor.

Thanks,
Bob

 

[JimMc]

Haven't overclocked a 6309, but I know it has FSB control in the BIOS. Basically, you need to worry about three things, heat, voltage and the Front Side Bus (sometimes called clock rate). Celeron II's are designed to run on a FSB of 66 Mhz and use a CPU multiplier, 9.5 for a Celeron 633 (66 mhz X 9.5=633).

Intel CPU's have the multipier fixed, so the only way to make a 633 go faster is to increase the FSB from 66 to a higher value, such as 100 Mhz in a perfect world. This is considered perfect bbecause it keeps your other devices running at the correct speed.

In order to keep the CPU stable at 950 Mhz (9.5 X 100), the CPU may need more voltage. The faster speed and the increased voltage will result in more heat produced by the CPU. Your system will freeze up if it gets too hot, or spontaneously reboot or give you strange error messages if it doesn't have enough voltage and is unstable, or any combination of the two.

Assuming you have at least a retail Intel heat sink and not some cheesy POS, you can reboot your computer, get into the BIOS and get in the CPU setup screen. I'd go for the 950 right off the bat. Try 1.75 Volts at first, if it boots fine, you have a good chip. Make sure your AGP is set to 2/3 or 66 Mhz, PCI should be fine. If not, you can try more voltage, anything up to 1.9 V is relatively safe assuming you have a good HS/F.

 

[Wixer]

If your Cel633 is a SL4NX,you'll be in better luck.I'm currently testing a 6309 Master with ATA100 Southbridge.Boots fine at 1.7v to 950Mhz.Felt it ran much more stable at 1.75v in WinME.Tried 105MhzFSB at 1.8v-1.85v but occasionally hangs in 3DMark2000/WinME so reverting baq to 950Mhz/1.75v.

Wix

 

[novice]

To overclock your celeron 2 633, the first step is to make sure you have decent cooling, as JimMc said. to get into the Bios, hit delete at boot (the screen says hit delete to enter set up). Then arrow over to chipset features setup and make sure set sdram timing by spd is enabled to optimize your ram performance. Then arrow over to Hardware Monitor Setup and arrow down to CPU Host/PCI clock (Mhz)and hit pg up or pg down to see the different options. It will be set at auto by default, and to get to 950, you need to set it manually for 100. This will set the front side bus at 100 Mhz, up from the default 66 Mhz that is standard for all Celeron processors. At this time also take note of the current CPU temperature and the current system temperature readings. This same screen also offers you a CPU vcore selection for the voltage going to the CPU. You can try it at auto (default) and see how it runs, but you may need to increase it slightly if you have stability problems. My Celeron 600 ran at 900 stable at auto setting of 1.75 volts, but I actually lowered mine to 1.65 and it is still stable. The lowest voltage you can run and still be stable is your goal, as it will generate less heat for your processor and system. Be forewarned that overclocking can shorten your processors life and you do so at your own risk, but there are definite rewards, and these celeron processors are so darn cheap it is hard not to at least try. I have two of the MSI-6309 motherboards (see sig) and I think they are great! I resisted the temptation to try the Duron/MSI combo and have zero regrets. Post again or PM me if you have any other questions. I am no expert, but am fairly familiar with this particular board. I even know how to reset CMOS if you try to get it to post above 100 fsb (take my advice - DON'T) Good Luck.
Chuck
PS Which video card are you using?

 

[brezaee]

The Video Card I am using in a ATI all in wonder pro 8mb with voodoo 2 12mb addon. Wanting to get a new ati all in wonder card.


Thanks For everyones help!

Bob

 

[android]

My celeron 633 works fine at 950, at 1.75 volts with stock cooling (except I scraped off the heatpad, and used good quality heatsink goop). I have a Bxmaster, which is also made by MSI. It won't do faster stably though. Nice chip, although I prefer my PIII 700 running at 7X 133, because the faster FSB makes everything zip!!