Bitfields for Intel 82371MX Local Trap Address for Device 3 register:
Bit(s)	Description	)
 15-0	Local Trap Address base for Device 3
Note:	Is compared with bits 15-0 of PCI I/O Addresses. Address bits 31-16
	  must be 0.
SeeAlso: #01168,PORT xxxxh"Intel 82371"