Bitfields for Intel 82378ZB Scatter Gather Relocation Base Address:
Bit(s)	Description	)
 7-0	bits 15-8 of base address for scatter/gather I/O ports
	(default 04h; low 8 bits of address are always 10h-3Fh)
SeeAlso: #01064,#01074,#01076,PORT 040Ah"82378ZB",#P0039