I have a SiS 730 board chipset running a Thungerbird 1 gig.512 Megs of ram,Nvidia Gforce 2 MX 400 card.
For 2 weeks I couldnt get into Aces without the instant lockup on line and off.Other games had intermitent problems but for 2 weeks I couldnt nail it down to any one thing.I could surf the web and download anything for the most part with ocasional lock up.After any lockup I got Cmos memory low. CMOS Battery low.I replaced and checked the new battery and still got the same thig.Flashed the bios.No good.Tested Memory,120,000 errors on both 256 sticks.Way to many for a memory error.Took out the G force,used Onboard and still get lockups and a 20 Frame rate flying.Ive basicly by process of elimination nailed it down to the motherboard.I get that this week and will update if that fixes it.Save someone a shatload of trouble if possable.