Just like to share a horrific experience I just had. I've been playing with my PC, tweaking etc ready for HL2 and it has been a while since I tweaked the memory settings in the bios. So, like a smart-arse, I thought I would set the memory game settings on 'F1' setting in bios. Computer gave an error bleep and wouldn't boot up! Bios checksum error! I thought I'd blown my memory sticks! Balancing on one leg (as the other is in plaster) I struggled disconnecting the cables and took the damn thing down from the table. Sweating like a tw*t, I shorted the CMOS pins out to reset the bios, all the while praying to a God that I didn't believe in! Anyway, the f***ing thing's okay now. Nearly had a f***ing heart attack!