Bitfields for BIOS equipment list:
Bit(s)	Description	(Table 00226)
 0	floppy disk(s) installed (number specified by bits 7-6)
 1	80x87 coprocessor installed
 3-2	number of 16K banks of RAM on motherboard (PC only)
	number of 64K banks of RAM on motherboard (XT only)
 2	pointing device installed (PS)
 3	unused (PS)
 5-4	initial video mode
	00 EGA, VGA, or PGA
	01 40x25 color
	10 80x25 color
	11 80x25 monochrome
 7-6	number of floppies installed less 1 (if bit 0 set)
 8	DMA support installed (PCjr, Tandy 1400LT)
	DMA support *not* installed (Tandy 1000's)
 11-9	number of serial ports installed
 12	game port installed
 13	serial printer attached (PCjr)
	internal modem installed (PC/Convertible)
 15-14	number of parallel ports installed
