Int 15 Fn 44F2 U - Toshiba Laptops - Security Level Check [B]
AX = 44F2h
BX = 0604h ???
Return: CF = ???
AH = ???
DX = ???
Note: used by Toshiba BIOS setup utility TSETUP.EXE to distinguish
between USER and SUPERVISOR security level
See Also: AX=44F1h,AX=44F3h