The Portable Freeware Collection Forums

http://www.majorgeeks.com/CPU_Stability_Test_d215.html

CPU Stability Test allows you to torture test your computer's Central Processing Unit (CPU) and find out if it is overclocked.
CPU Stability Test tests: CPU, Harddisks, RAM, caches and many sections of your Motherboard.

The program supports multi-processor systems, features automated crash handling and counting, includes stability rating, and lets you disable the screen saver.

Features:

Multi threaded
Supports multi-processor systems
Error (and CRC) checking
Supports MMX

Universal Extractor this one as well, torture to your little hearts delight.

Regshot tested.

Well I'd love to test this one out myself, but my computer already has cooling problems and it's 90 degrees up here in Oregon, so I'd rather not push my luck any further than I already have. I will certainly try it out when things cool down here though!

Posted to the database. Thanks!