INT 7A U - Novell NetWare - IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. Driver - INTERNAL
	BX = 001Bh
	???
Return: ???
Notes:	this function is supported on file servers only under v2.15; v3.02 also
	  supports it on workstations
	used by NetWare Access Server, which may call INT 15/AX=1117h with
	  BX=0000h in some cases (it uses a modified DESQview)