OLICOM INTERNATIONAL OC-3109 NIC Type Token-Ring Transfer Rate 4Mbps Data Bus 8-bit ISA Topology Ring Wiring Type Shielded twisted pair (DB-9 port) Boot ROM Available [Image] INTERRUPT REQUEST IRQ SR3A SR3B SR3C SR3D SR3E SR3F » 2 Closed Open Open Open Open Open 3 Open Closed Open Open Open Open 4 Open Open Closed Open Open Open 5 Open Open Open Closed Open Open 6 Open Open Open Open Closed Open 7 Open Open Open Open Open Closed CLOCK SELECT Setting SR6 » Onboard clock Pins 1 & 2 closed System bus clock Pins 2 & 3 closed Note:If the system's bus clock speed is greater than 8MHz the onboard clock must be enabled. BOOT ROM SIZE Size SR11 SR12 » 8/16KB Pins 1 & 2 closed Pins 1 & 2 closed 32KB Pins 2 & 3 closed Pins 1 & 2 closed 64KB Pins 2 & 3 closed Pins 2 & 3 closed BOOT ROM Setting SR13 » Disabled Pins 1 & 2 closed Enabled Pins 2 & 3 closed PRIMARY/ALTERNATE SELECT, I/O BASE ADDRESS, AND BOOT ROM ADDRESS Setting I/O Address Boot ROM SR14 Address » Primary 0A20 - 0A2Fh D0000 - D7FFFh Pins 1 & 2 closed Alternate 1A20 - 1A2Fh D8000 - DFFFFh Pins 2 & 3 closed Note:If two cards are to be used in a single system, one of the cards must be set to primary and the other must be set to alternate.