GTEK, INC. BBS550 Card Type Serial card Chip Set Unidentified Maximum Onboard Memory Unidentified I/O Options Serial ports (8 RJ-45), Hard Drives supported None Floppy drives supported None Data Bus 16-bit ISA Card Size Half-length [Image] CONNECTIONS Function Label Function Label Serial port 0 CH0 Serial port 5 CH5 Serial port 1 CH1 Serial port 6 CH6 Serial port 2 CH2 Serial port 7 CH7 Serial port 3 CH3 Header connector to CH4 cascade boards Serial port 4 CH4 SERIAL PORT ADDRESS SELECTION Port Port Port Port Port Port Port Port JP0 JP1 JP2 0 1 2 3 4 5 6 7 100h 108h 110h 118h 120h 128h 130h 128h Closed Closed Closed 180h 148h 150h 158h 160h 168h 170h 168h Open Closed Closed 200h 2C8h 2DOh 2D8h 2E0h 2E8h 2F0h 2F8h Closed Closed Open 210h 2C8h 2D0h 2D8h 2E8h 2E8h 3F8h 2F8h Closed Open Open 2C0h 600h A00h E00h 1200 1600h 1A00h 1E00h Closed Open Closed 2C0h 610h A10h E10h 1200 1600h 1A00h 1E00h Open Open Closed SHARED INTERRUPT SELECTION IRQ JP3 JP4 JP5 JP6 JP7 IRQ2 Open Open Open Closed Closed IRQ3 Closed Open Open Open Open IRQ4 Open Closed Open Open Open IRQ5 Open Open Closed Open Open IRQ7 Open Open Open Closed Open Disabled Open Open Open Open Open DISCRETE INTERRUPT SELECTION Port 0 1 2 3 4 5 6 7 JP3 JP4 JP5 JP6 JP7 4 3 4 3 4 3 4 3 Closed Closed Open Open Open 7 7 7 7 4 3 4 3 Closed Closed Open Open Closed 5 2 10 11 12 15 4 3 Closed Closed Closed Closed Closed 5 7 10 11 12 15 4 3 Closed Closed Closed Closed Open 10 11 12 15 4 3 4 3 Closed Closed Closed Open Open Note: Discrete interrupt selection allows each port to be treated as a distinct component. Therefore, ports may be assigned separate or shared IRQs. MISCELLANEOUS TECHNICAL NOTES When cascading boards; use IRQ3, 4, or 5, as a shared interrupt on the primary board. Set the consecutive boards using JP5, and JP6 only. Connect a wire from CN7(location unidentified) on the first board to CN4 on the consecutive boards.