Bitfields for OPTi FireLink/FireBlast "HceStatus" register:
Bit(s)	Description	)
 31-8	reserved
 7	parity error
 6	time-out
 5	aux output full enable
 4	keyboard inhibit switch state
	0  inhibited
	1  not inhibited
 3	data written to port:
	0  port 60h
	1  port 64h
 2	warm/cold boot flag
 1	input full
 0	output full
SeeAlso: #00902,PORT 0060h,PORT 0064h