Int 5C - IRQ12 Relocated By Desqview 2.26+ Int 5C - IRQ4 Relocated By Doubledos Int 5C - Netbios Interface Int 5C - Tops Interface Int 5C - Atalk.sys - Appletalk Interface Int 5C - IBM 802.2 Interface (llc) Int 5C - $25 LAN - Installation Check Int 5C Fn 04 - $25 LAN - Check If Connection Alive