I have a system described below. I used a Gigabyte 7zm just fbs overclocked mobo, at 115Mhz, which made my Duron run @ 862. I had 2 video cards those days, a Gef 2 mx,200/200, and an ASUS 6800 DDR Deluxe. (150/340)
Now i've upgraded to an MSI board, and has no problem running on 1ghz (133mhz...