GeForce 2 MX200 problems

[asdf]

ive got a realy weird problem with my video card, its an Apollo GeForce 2 MX200 64mb, i got it 2 upgrade my Nvidia RIVA 128ZX 8mb card. the problem is when ive got the card installed the system runs fine untill i either open Internet Explorer(IE6) or its been just over an hour without reboot. its realy got me stumped ive done everything, uninstaled everything 2 do with the other card, reinstalled my OS, used the latest Denitator drivers (i cant find the Apollo web site) my system is:
AMD K6-2 450mhz
Asus P5A Super7 Motherboard
64md SD RAM
Win 98se
Creative VIBRA 128

any help would b greatly appreciated thanks!

 

[4Ryan6]

Have you flashed your M/B BIOS with the P5As most up to date BIOS flash?