ADVANCED MICROCOMPUTER SYSTEMS, INC. EPP-2 Card Type Multi I/O Chipset Controller Unidentified I/O Options Serial port(2), parallel port via DB-37 intermediaate connector Maximum DRAM N/A [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Serial port 2 CN1 Parallel port 1 CN1 PARALLEL PORT INTERRUPT IRQ H1/A H1/B H1/C H1/D H1/E H1/F H1/G H1/H H1/I H1/J H1/K 2 Closed Open Open Open Open Open Open Open Open Open Open 3 Open Closed Open Open Open Open Open Open Open Open Open 4 Open Open Closed Open Open Open Open Open Open Open Open 5 Open Open Open Closed Open Open Open Open Open Open Open 6 Open Open Open Open Closed Open Open Open Open Open Open 7 Open Open Open Open Open Closed Open Open Open Open Open 10 Open Open Open Open Open Open Closed Open Open Open Open 11 Open Open Open Open Open Open Open Closed Open Open Open 12 Open Open Open Open Open Open Open Open Closed Open Open 14 Open Open Open Open Open Open Open Open Open Closed Open 15 Open Open Open Open Open Open Open Open Open Open Closed Note: Interrupt settings for H1 Shown. H2, and H3 use identical configurations. H1 affects Parallel port 1, H2 affects serial port 1 and H3 affects serial port 2. SERIAL PORT 1 ADDRESS SELECT Address H6/A H6/B COM1 (3F8h) Pins 1 & 2 closed Pins 1 & 2 closed COM2 (2F8h) Pins 1 & 2 closed Pins 2 & 3 closed COM3 (3E8h) Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 2 ADDRESS SELECT Address H7/A H7/B COM2 (2F8h) Pins 1 & 2 closed Pins 1 & 2 closed COM3 (3F8h) Pins 1 & 2 closed Pins 2 & 3 closed COM4 (2E8h) Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed PARALLEL PORT ADDRESS SELECT Address H4/A H4/B 278h Pins 1 & 2 closed Pins 1 & 2 closed 378h Pins 1 & 2 closed Pins 2 & 3 closed N/A Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed PARALLEL PORT MODE SELECT Mode H5/A H5/B Normal Pins 2 & 3 closed Pins 2 & 3 closed EPP Pins 2 & 3 closed Pins 1 & 2 closed ECP Pins 1 & 2 closed Pins 2 & 3 closed EPP & ECP Pins 1 & 2 closed Pins 1 & 2 closed