SILCOM MANUFACTURING TECHNOLOGY, INC. TR DIRECT/8 NIC Type Token Ring Transfer Rate 4/16 Mbps Data Bus 8-bit ISA Topology Ring Wiring Type AUI transceiver via DB-15 port Unshielded twisted pair Boot ROM Not Available [Image] I/O ADDRESS SELECT Address 1 A20 A20 1A20h Closed Open A20h Open Closed