INT 31 P - DPMI 1.0+ - GET COPROCESSOR STATUS AX = 0E00h Return: CF clear AX = coprocessor status bit 0: numeric coprocessor enabled for current client bit 1: client is emulating coprocessor bit 2: numeric coprocessor is present bit 3: host is emulating coprocessor instructions bits 4-7: coprocessor type 0000 none 0010 80287 0011 80387 0100 80486 with numeric coprocessor other reserved bits 8-15 not used Note: supported by 386MAX v6.01, which otherwise only supports DPMI 0.9 SeeAlso: AX=0E01h .