Bitfields for Intel 82443BX/EX/LX AGP Status Register:
Bit(s)	Description	)
 31-24	maximum AGP request queue depth (read-only)
 23-10	reserved
 9	AGP side band addressing is supported (read-only)
 8-2	reserved
 1-0	supported AGP data transfer type(s)
	bit 0: 1x data transfer mode
	bit 1: 2x data transfer mode
Note:	bits 0 and 1 may not both be clear
SeeAlso: #01160,#01142,#01158,#01129