How to upgrade your Bios version ?
Please follow the steps as below.

1.After download the Bios, please executing this file and extracting to A disk.

2. Restart computer. Before going to Win9x, press "F8" key and choose the 6 item "safe mode commend prompt only" to "C:\>" prompt or make the above A disk as bootable disk(sys a:) to simplfy your booting system. 

3.Execute "A:\>a" to upgrade your bios.