)
Call APIX protected-mode entry point with:
AH = function number
00h get APIX version
Return: CF clear
AH = major version
AL = minor version
01h ???
Return: CF clear
AX = number of ???
02h NOP
Return: CF clear
03h ???
Return: CF clear
AX = 0000h/FFFFh
else
Return: CF clear (bug?)
SeeAlso: #02661,#02666