got a m810l with onboard cpu athlon xp 1200+ and agp. flashed bios with aminf336.exe and 030513s.rom and got error message abotu usb. the bios will now not start. will i have to replace bios chip or can i recover original bios settings. there are no recovery jumpers and no back up bios chip. tried clearing bios but no change.

no gonna rant about pc chips mobo but there were no warnings of this. pls help,
back ground; started when wanted to install agp card and wouldnt work, tried to update bios and then bang! bios dead
no replies from ami or pc chips support