In: AX = 0400h Out: always successful: carry flag clear AH = DPMI major version as a binary number (VCPI/XMS/raw returns 00h) AL = DPMI minor version as a binary number (VCPI/XMS/raw returns 5ah) BX = flags: Bits Significance 0 0 = host is 16bit (PMODE/W never runs under one of these) 1 = host is 32bit 1 0 = CPU returned to V86 mode for reflected interrupts 1 = CPU returned to real mode for reflected interrupts 2 0 = virtual memory not supported 1 = virtual memory supported 3-15 reserved CL = processor type: 03h = 80386 04h = 80486 05h = 80586 06h-ffh = reserved DH = current value of master PIC base interrupt (low 8 IRQs) DL = current value of slave PIC base interrupt (high 8 IRQs)Notes:
Function 0306 - Get Raw Mode Switch Addresses | Table of Content | Function 0500 - Get Free Memory Information |