Elaborate on overclocking process for Cele333a

[Guest]

Hi forum members. I've been contemplating overclocking my cpu for some time but I've only recently decided to delve into the oc'ng art. I do plan on upgrading my whole system in the upcoming months, so at the moment I'm only looking for a quick fix to aid in pushing my 3d card(Geforce2MX)which should in turn equate to improved framerates for games and programs, etc. My current sys specs= Abit BH6 Intel 440BX chipset, 333a celeron, 128mb ram. I hear that this chip has the potential to be upped to 450mhz, is this correct?

Anyway, since I'm fairly new to all this, I'd appreciate some more insight on how I can go about reaching this goal. I believe it has something to do with the multiplier and user defined mode in the bios setup, but I need more direction before I proceed. I really appreciate the assistance and will check back for pointers. Thanks..

PS. I'm using only the regular heatsink\fan active cooling combo. I would like to overclock to a moderate speed due to this, any suggestions?

 

[Crashman]

Push it up to around 83MHz FSB. If it's still stable go in 1MHz increments upward from there. Get a big dual fan cooler, and use paste instead of the pad. Once you get it to where it can go no further, raise the voltage by .1v and try again, and keep track of heat.

Suicide is painless...........

 

[Guest]

Thanks for your swift response. Ok, here's what's displayed in my bios menu.

Cpu Operatin Speed: User define
Turbo frequency: Disabled
External Clock: 66mhz
Multiplier Factor: X3.5
SEL 100/66# Signal: Low
L2 Cache Latency: Default
Speed Error Hold: Enabled
Cpu Power Supply: Cpu Default
Core Voltage: 2:00V

The error message I receive after altering the bus freq to 100mhz or 83mhz=Cpu unworkable or has been changed. Where do I go from here? Again, the cpu is a celeron 333a. Let me know of my options. Thanks.

 

[Crashman]

First, disable Speed Error Hold as I believe it is used to warn you that your computer is running at non-standard speed .
If that does not help try raising the voltage to 2.2v. Keep track of your system temps if you can and make sure your Heatsink/fan is adequate. If your system starts out stable and then starts getting flakey as time progresses it is probably a heat issue and should be addressed with a larger heatsink/dual fan.
When you are sattisfied that your computer cannot do any more, drop the voltage down to the lowest setting that still runs stable.

Suicide is painless...........

 

[Guest]

Crashman, thanks for your excellent insight\info on what needs to be done. I decided to alter the clock speed to 83mhz and disabled the speed error hold wiht everything left to default settings as posted above. The cpu is now running at 416 mhz and it seems to be stable, haven't noticed anything erratic(fingers x'd). Unfortunately I don't have a cpu temp gauge, only a system enviroment thermometer. I will purchase an orb fan fairly soon and hopefully this should suffice. Anyway, do you feel I should leave everything as is for the time being, like the voltage, multiplier set to default, etc?

After purchasing the orb fan, I also plan on possibly pushing it to 500mhz by adjusting the clock to 100mhz. The board supports 100mhz external clock speed and I'm using 128mb PC100 memory as well. My one concern is that the board only supports 66mhz and 100mhz external clock speeds and I'm not so sure that running at 83mhz(as I am right now)is all that safe. What do you think? Thanks..

 

[Guest]

If your sys is stable keep the voltage default, itl keep the heat down.. You should b able 2 get higher, my celly300a has been doing 450Mhz rock solid for nearly 2 years(time for a new system!) so you should be able to push higher.
Try searching anandtech or toms for old celly articles, ul find a LOT of usefull stuff..

Good luck!

******
My other sig is thought provolking and interesting.(And spelt corectly😱)

 

[Crashman]

Everything should be fine. There is a program available called Motherboard Monitor, free to download. If your motherboard has a temp sensor in it, that should work. Chances are that it does. I don't remember where to download it from, but it is at some overclockers sites. You might be able use your current heatsink/fan at 100MHz FSB, but you can't be certain unless you know your temps. I don't know that the Orb is your best choice for cooling, I think that almost any dual fan cooler of decent quality will work better for a slot type CPU, and they are available cheaply.

Suicide is painless...........

 

[Guest]

I have a 333, and I run it great w/100 fsb and 5.5 Mult. 2.2 volt. Never had any problems. 110 fsb, I start to, must be that ram.