THOMAS-CONRAD CORPORATION TC4145 16/4 (LEGACY) NIC Type Token Ring Transfer Rate 4/16Mbps Data Bus 16-bit ISA Topology Ring Wiring Type Shielded twisted pair Unshielded twisted pair Boot ROM Available [Image] [Image] CONNECTIONS Purpose Location RAM card connector S1 RAM SIZE CONFIGURATION Size JB1 128KB Pins 2 & 3 closed 512KB Pins 1 & 2 closed DIAGNOSTIC LED(S) LED Color Status Condition LED1 Green On Adapter is inserted into the ring LED1 Green Off Adapter is not inserted into the ring LED2 Red On Data is being transmitted/received LED2 Red Off Data is not being transmitted/received