Category: power management
INT 10 - VESA VBE/PM (Power Management) v1.0+ - GET CAPABILITIES AX = 4F10h BL = 00h ES:DI = 0000h:0000h (reserved for future use as pointer to info block) Return: AL = 4Fh if function supported (installed) AH = call status 00h successful else failed ---if successful--- BL = VBE/PM version (bits 7-4: major, bits 3-0: minor) BH = supported states (see #00110) ES:DI unchanged Index: installation check;VESA VBE/Power Management|VESA DPMS SeeAlso: AX=4F10h/BL=01h,AX=4F10h/BL=02h