OLICOM INTERNATIONAL OC-3102 NIC Type Token-Ring Transfer Rate 4Mbps Data Bus 16-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 SR3G SR3H SR3I » 2/9 Open Open Open Open Open Closed Open Open Open 3 Closed Open Open Open Open Open Open Open Open 4 Open Closed Open Open Open Open Open Open Open 5 Open Open Closed Open Open Open Open Open Open 6 Open Open Open Closed Open Open Open Open Open 7 Open Open Open Open Closed Open Open Open Open 10 Open Open Open Open Open Open Closed Open Open 11 Open Open Open Open Open Open Open Closed Open 12 Open Open Open Open Open Open Open Open Closed DMA CHANNEL Channel SR4A SR4B SR4C SR4D SR4E SR4F » DMA5 Closed Open Open Closed Open Open DMA6 Open Closed Open Open Closed Open DMA7 Open Open Closed 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. BRIDGE PAL ENABLE Setting SR15 » Disabled Pins 1 & 2 closed Enabled Pins 2 & 3 closed Note:If installing two NICs for a bridge configuration, both cards must have this option enabled and a other must be set to alternate. This jumper is the only jumper that the Micro Channel version has.