Question about Casio Cassiopeia E-125 Pocket PC

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Anyone experience problems with an overclock E-125?

A while back I overclocked my E-125 to 200 Mhz from 150Mhz. It wasn't 100% stable, but a soft reboot would always get it back in order. It occasionally froze in the cradle, and the IR didn't work, but the speed increase was tremendous for movies (DivX) and NES gaming. Anyway, I decided to clock it down to 180Mhz, and it's been more stable. However, though it recognizes the d-link DWL-650 NIC (wireless) I put in it, and the drivers appeared to have installed, it doesn't work. Anyone else experience problems with an overclocked E-125?

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There are some overclocking programs available like through or even hardware fixes. The one by jimmysoftware is for the iPAQ only. iPAQ Overclocking software I would strongely avoid doing the hardware fix. The overclocking applies only to the processor itself and does not take into account the I/O from the the processor to the various other hadrware components. Some games, video, and apps may perform better but anything hardware related like PC card or CF cards that have a function like modem, networking etc. . . can run into timing related issues and not function. At least the software version can be easily removed. Good luck

Posted on Sep 04, 2005


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First off... be warned overclocking is not for the faint of heart... now let us begin...


I can't stress this out enough if you plan on overcloking it's worth spending some money on some fan's specifically a CPU fan to make sure it stays cool. A side effect of overclocking is increased heat.

Restart the computer and go into your BIOS. Look for the setting to change the bus speed. Depending on your specific CPU it should be 200 MHz (if it's not don't worry, most computers now are 200 MHz). There should also be an option called the multiplier. This one is usually unavailable. If it is available you have a high-end CPU model that is "unlocked".


The system bus is multiplied by the multiplier and gives you the resulting speed.

200 x 16 = 3200 => 3.2 GHz

IF your multiplier is unlocked you can increase it... it's not then we have to use the system bus.

When you change the system bus it increases the speed of everything in your system... that is the link in between  individual components. But it's a double edge sword... it will cause you system to become unstable more quickly and reduce the maximum overclocking potential.


Increase the bus speed 3~5 MHz at a time. Restart the computer boot into the Operating System and run applications you normally would. If nothing crashes, hangs, freezes, locks up... you can reboot the computer and increase the bus speed again. Repeat theses steps until:

a) reach a point where the system becomes unstable
b) you feel like pushing your system more is getting to risky

This is a very basic answer on how to overclock. For more information, guides and other goodies is a good website for more information and guides.

WARNING: If you push the system to far to fast without doing it gradually you can surpass the computer components limits and cause damage to the computer parts. I am not responsible for any damage that occurs. This is just a guide.

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