Category: expansion bus BIOSes
INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - INSTALLATION CHECK AX = B400h Return: CF clear if installed AX = 0000h if installed BH = ACFG major version (02h) BL = ACFG minor version (08h) CX = ??? (0002h) EDX = 47464341h ('GFCA', which is byte-swapped 'ACFG') SI = ??? (001Fh) SeeAlso: AX=B401h,AX=B402h,AX=B403h,AX=B404h,AX=B405h,AX=B406h,AX=B407h SeeAlso: @xxxxh:xxxxh"Plug-and-Play"