INT 10 - VIDEO -  Video7 VGA,VEGA VGA - GET VIDEO MEMORY CONFIGURATION

	AX = 6F07h
Return: AL = 6Fh
	AH = memory configuration
	    bits 0-6 = number of 256K blocks of video memory
	    bit 7    = DRAM/VRAM (0: DRAM, 1: VRAM)
	BH = chip revision (SR8F) (S/C Chip in VEGA VGA)
	BL = chip revision (SR8E) (G/A Chip in VEGA VGA)
	CX = 0000h
SeeAlso: AH=12h/BL=10h