if successful:
CF clear
EAX = "D32A" (44333241h)
CL = CPU type:
03h = 80386
04h = 80486
05h = 80586 (Pentium)
06h = 80686 (Pentium Pro)
07h-0FFh = reserved
CH = System software type:
00h = Clean
01h = XMS
02h = VCPI
03h = DPMI
DL = DOS Extender minor version
(binary)
DH = DOS Extender major version (binary)
ES:EBX = selector:offset of ASCIIZ copyright string
if failed:
CF set
AX = error code
8001h - unsupported function
|