DIGI INTERNATIONAL, INC. COM/4I, COM/8I Card Type Serial Processor 80C186 Processor Speed 10MHz Chipset Unidentified Maximum Onboard Memory 256KB RAM I/O Options Serial ports (4 for COM/4i, 8 for COM/8i) Data Bus 8/16 bit ISA Card Size Full height, full length [Image] CONNECTIONS Function Label Function Label Header to daughterboard H1A Header to main board H2B H1B H2A (on back of card) Header to main board H1A H1B RS-232, RS-422, or P1 (on back of card) RS-485 serial ports via DB-78 connector Header to daughterboard H2A H2B Note:Standard serial ports are provided on an external expansion box. The types of serial ports provided are configured at the factory and are not user-configurable. USER CONFIGURABLE SETTINGS Setting Label Position » Factory configured - do not alter J17 Pins 2 & 3 closed BASE I/O ADDRESS SELECTION Setting J2 J3 J4 100h Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 110h Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 120h Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed 200h Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed 220h Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 300h Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 320h Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed INTERRUPT SELECTION Setting J5 J6 J7 J8 J9 2/9 Open Open Open Open Open 3 Open Open Open Open Open 4 Open Open Open Open Open 5 Open Open Open Open Open 6 Open Open Open Open Open 7 Open Open Open Open Closed 10 Open Open Open Closed Open 11 Open Open Closed Open Open 12 Open Closed Open Open Open 15 Closed Open Open Open Open » Disabled Open Open Open Open Open INTERRUPT SELECTION (CON'T) Setting J10 J11 J12 J13 J14 2/9 Open Open Open Open Closed 3 Open Open Open Closed Open 4 Open Open Closed Open Open 5 Open Closed Open Open Open 6 Closed Open Open Open Open 7 Open Open Open Open Open 10 Open Open Open Open Open 11 Open Open Open Open Open 12 Open Open Open Open Open 15 Open Open Open Open Open » Disabled Open Open Open Open Open SHARED MEMORY ADDRESS SELECTION Setting J15 J16 0C0000h Pins 2 & 3 closed Pins 2 & 3 closed 0C8000h Pins 2 & 3 closed Pins 1 & 2 closed 0D0000h Pins 1 & 2 closed Pins 2 & 3 closed 0D8000h Pins 1 & 2 closed Pins 1 & 2 closed EPROM SIZE SELECTION Setting JP1 JP2 » 8KB Pins 1 & 2 closed Pins 1 & 2 closed 16KB Pins 1 & 2 closed Pins 1 & 2 closed 32KB Pins 1 & 2 closed Pins 2 & 3 closed 64KB Pins 2 & 3 closed Pins 2 & 3 closed