Page 2 - gateway profile2 w/ intel bp810

I have a BP810 mobo in a second hand Barbie PC and have tried to install both WinME and SuSE Linux, dual boot. Using either OS, the machine spontaneously reboots sometimes and I'm wondering if it can be fixed. I've tried a few different sticks of PC100 256MB memory with no luck stopping the problem. WinME is usable for longer time as the Linux side will trigger the reboot shortly after logging into a graphic window manager. Booting into Linux in a non-graphic session has not triggered a reboot as of yet. The system blue screens or reboots frequently under Windows as well. Additionally, the system doesn't soft reboot with WinME very well as it blue screens during restart almost always if I select logout->reboot (can't recall if its ever done soft reboot successfully). Is this a graphics bug? Do I need to run memtest for an extended period of time? Any ideas would be appreciated.