[Fixed history]
1. Fix supervisor/user password clean issue.

[SOP]
/DOS version/
1. Unzip <GNN104WW.zip> under Windows mode.
2. System restart and boot to pure DOS mode by boot disk.
3. Click <GA5.bat> under \GNN104WW\DOS folder to flash bios.
4. System will automatically update bios to v1.04.

/Windows version/
1. Unzip <GNN104WW.zip> under Windows mode.
2. Click <Garda5104> under \GNN104WW folder to flash bios.
3. System will automatically update bios to v1.04.
