Since ComputerCowboy site is down, here are the utilities to modify your BIOS:
Original thread and real steps about how to do it:
Insyde hacking - New Vaio Z - Advanced menu...
Insyde hacking - New Vaio Z - Advanced menu in BIOS (UTILITIES)
- advanced_menu.py
- FLASHIT.EXE
- PortablePython_2.7.6.1.exe
- rufus-1.4.6.exe
- win98boot.iso
Original thread and real steps about how to do it:
Insyde hacking - New Vaio Z - Advanced menu...
Insyde hacking - New Vaio Z - Advanced menu in BIOS (UTILITIES)