Device drivers missing:

	zs -- torek? 
	mouse - need to find out what ioctls X uses
	keyboard - need to support ascii/(up/down)/undecoded
	tape - need special support for mt02,sysgen
	framebuffer support, enough to make x work
	si scsi (scsi3)
	lance ether
	intel ether
	microsecond resolution timer
	xylogics 450/451
	jaguar scsi devices
	alm 1/2

Missing support for:
		VMEbus
		OBIO devices