Bitfields for Intel 82425EX host device control register:
Bit(s)	Description	)
 0	HRDY# maximum signal sampling point
	0 slow timing
	1 fast timing
 1	HDEV# signal sampling point
	0 slow timing
	1 fast timing
 2	host device present
 7-3	reserved
SeeAlso: #01083,#01084