celeron 850mhz 256mb pc133 invidia riva tnt 32mb 850mb hard drive windows me with a 10 gig slave drive. a good way of keeping your cpu cool is this mind you this is what i did is i used a case fan mounted to the heatsink using heat resistant silicon sorry bad spelling.i overclocked my 850mghz to a 1.33ghz and the temp did not rise.