IBM CORPORATION PC NETWORK ADAPTER II (BROADBAND) NIC Type Broadband Transfer Rate Unidentified Data Bus 8-bit ISA Topology Star Wiring Type RG-11/U RG-59A/U coaxial Boot ROM Not Available [Image] INTERRUPT REQUEST SELECTION IRQ JP1 » 2 Pins 1 & 2 closed 3 Pins 2 & 3 closed I/O ADDRESS SELECTION Address JP4 » 620h Pins 1 & 2 closed 628H Pins 2 & 3 closed BASE MEMORY ADDRESS SELECTION Address JP5 » CC00h Pins 1 & 2 closed DC00h Pins 2 & 3 closed ROM BIOS CONFIGURATION » Setting JP7 » Disabled Pins 2 & 3 closed » Enabled Pins 1 & 2 closed BOOT ROM » Setting JP6 » Disabled Pins 1 & 2 closed » Enabled Pins 2 & 3 closed MISCELLANEOUS TECHNICAL NOTES The DMA channel is permanently fixed at 3. If two adapters will be installed into one station then disable the ROM BIOS on the second adapter.