SILCOM MANUFACTURING TECHNOLOGY, INC. TR DIRECT/16 NIC Type Token Ring Transfer Rate 4/16Mbps Data Bus 16-bit ISA Topology Ring Wiring Type AUI transceiver via DB-15 port Shielded twisted pair Unshielded twisted pair Boot ROM Available [Image] BOOT ROM Setting SW1/3 SW1/4 » C8000h On On D0000h On Off E0000h Off On Disabled Off Off PORT ADDRESS SELECTION Address SW1/1 SW1/2 » A20h Off Off 1A20h Off On 2A20 On Off 3A20 On On