pc/etherif.h		1993/1113		Created.
		1993/1116		Add Dp8390.
		1993/1118		Add dp8390 functions and Dp8390.busy.
		1993/1119		Remove Dp8390.busy.
		1993/1124		Change interrupt prototype.
		1994/0128		Add dp8390 functions.
		1994/0130		Format edit.
		1994/0202		Format edit. Comment edit. Add etherrloop.
		1994/0702		Add parameter toetherrloop.
		1995/0129		Increase MaxEther.
		1995/0721		Rename Ether.private to Ether.ctlr. Remove parameter from etherrloop.
		1996/0420		Remove dp8390getea.
		1996/0601		Add Ether.mbps.
		1996/0607		Increase MaxEther. Add Ether.ifstat.
		1996/0622		Add PREV macro.
		1997/0327		In Ether: add ea, replace write with transmit and oq; remove explicit buffers. Add etheriq. Move Dp8390 code to etherdp8390.h XXX.
		1997/0415		Add ethercrc.
		1998/0423		Formatting - add blank line.
		2000/0817		Add Ether.encry, Ether.ctl.
		2000/0921		Add Ether.minmtu, Ether.maxmtu.
		2001/1022		Remove Ether.encry.
		2002/0109		Add Dev.shutdown.
		2002/0217		Add parseether.
		2002/0615		Add Ether.detach.
		2002/0620		Add Ether.power.
		2003/0209		Remove Ether.mbps.