INT 10 - Avance Logic - GET ADAPTER INFORMATION                                 
	AX = 4F70h
Return:	AX = 004Fh if successful
	    BL = board information (see #00174)
	    BH = board type???
		00h on ALG2101
		FFh otherwise
SeeAlso: AX=4F00h


Bitfields for Avance Logic board information:
Bit(s)	Description	(Table 00174)
 0-1	video RAM(Random Access Memory)	See also DRAM, SRAM. size
	00 256K
	01 512K
	10 1M
	11 2M
 2	???
 3	slot size???
	=0 8-bit slot
	=1 16-bit slot
 4	unused
 5	set on ALG2228/AL2301
 6-7	unused