Help needed for bios update

My mobo specs i got wen i run sandra lite are

Manufacturer --- Jetway
Model --- NF-MCP61
System bios --- 01/30/2007-NF-MCP61-6A61KJ19C-00

i searched in internet for the bios update. but i didn't find anything.
Is it possible to find the bios update for this mobo. I never tried bios update before. So i am really new to this.
Please help me.......
TIA