> Of course, you COULD just go into your BIOS and disable the CPU cache. Instant
> 486 speeds... Then use your slowing problem - if you need to.

Eh, yes, actually, this will bring your system to its knees, speedwise. Disabling both the L1 & L2 cache will drop you back to slow-486-class speeds (but it will still be faster than an XT or AT).