PORTIBM PC Portable (uses same BIOS as XT) 0CFB - Intel 82434NX (Neptune) - PCI MECHANISM CONTROL REGISTER
Note:	not present on the 82434LX (Mercury), which supports only mechanism #2
SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 0CF8h

0CFB  RW  specify which PCI access mechanism is to be enabled


Bitfields for Intel 82434NX PCI mechanism control register:
Bit(s)	Description	(Table P0947)
 7-1	reserved
 0	PCI Configuration Access Mechanism Select
	=0 use PCI configuration access mechanism #2 (0CF8/0CFA) (default)
	=1 use PCI configuration access mechanism #1 (0CF8/0CFC)