Bitfields for Intel 82443BX/EX/LX AGP Control Register:
Bit(s)	Description	)
 31-16	reserved (0)
 15	disable forced ordering of snoopable writes and AGP reads (82443BX)
	(82443EX/LX) reserved
 14	reserved (0)
 13	enable Graphics Aperture Write-AGP Read synchronization
 12-10	reserved (0)
 9-8	reserved (0) (82443BX)
	expedite transaction throttle timer (82443EX/LX)
	00 no throttling
	01 reserved
	10 192 clocks on, 64 clocks off
	11 reserved
 7	enable Graphics Translation Lookaside Buffer (and GTLB Flush Control)
 6-0	reserved (0)
SeeAlso: #01160,#01142,#01129