PORTIBM PC Portable (uses same BIOS as XT) 00B3 - Intel chipsets - Advanced Power Management Status
Notes:	used to pass data between the operating system and the System
	  Management Interrupt (SMI) handler
	supported by 82420EX, 82371, and other Intel chipsets
SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 00B2h

00B3  RW  status