INT 21 U - Novell NetWare - CHECK LIP/PACKET SIGNING/IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. CHECKSUM SUPPORT???
	AX = B300h
Return: AX = 0000h if supported???
Note:	this function appeared with the packet signing/Large Internet Packets/
	  IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. Checksum-aware NetWare shells
SeeAlso: AX=B301h,AX=B302h