SIIG, INC. I/O EXPANDER 4S Card Type Serial card Chipset Controller 16550 UART I/O Options Serial ports (4) Maximum DRAM N/A [Image] CONNECTIONS Purpose Location Purpose Location 25-pin serial SE1 10-pin serial port SE3 port interface 9-pin serial SE2 10-pin serial port SE4 port interface SERIAL PORT 1 CONFIGURATION COM S1/A S1/B S1/C S1/D » COM2 (2F8h-2FFh) Open Open Closed Open COM1 (3F8h-3FFh) Open Open Open Closed COM3 (3E8h-3EFh) Open Closed Open Open COM4 (2E8h-2EFh) Closed Open Open Open Disabled Open Open Open Open SERIAL PORT 1 INTERRUPT SELECTION IRQ JP8/A JP8/B JP8/C JP8/D JP8/E JP8/F JP8/G JP8/H JP8/I » 3 Closed Open Open Open Open Open Open Open Open 2/9 Open Open Open Open Closed Open Open Open Open 4 Open Closed Open Open Open Open Open Open Open 5 Open Open Closed Open Open Open Open Open Open 7 Open Open Open Closed Open Open Open Open Open 10 Open Open Open Open Open Closed Open Open Open 11 Open Open Open Open Open Open Closed Open Open 12 Open Open Open Open Open Open Open Closed Open 15 Open Open Open Open Open Open Open Open Closed Disabled Open Open Open Open Open Open Open Open Open SERIAL PORT 2 CONFIGURATION COM S2/A S2/B S2/C S2/D » COM1 (3F8h-3FFh) Open Open Open Closed COM2 (2F8h-2FFh) Open Open Closed Open COM3 (3E8h-3EFh) Open Closed Open Open COM4 (2E8h-2EFh) Closed Open Open Open Disabled Open Open Open Open SERIAL PORT 2 INTERRUPT SELECTION IRQ JP7/A JP7/B JP7/C JP7/D JP7/E JP7/F JP7/G JP7/H JP7/I » 4 Open Closed Open Open Open Open Open Open Open 2/9 Open Open Open Open Closed Open Open Open Open 3 Closed Open Open Open Open Open Open Open Open 5 Open Open Closed Open Open Open Open Open Open 7 Open Open Open Closed Open Open Open Open Open 10 Open Open Open Open Open Closed Open Open Open 11 Open Open Open Open Open Open Closed Open Open 12 Open Open Open Open Open Open Open Closed Open 15 Open Open Open Open Open Open Open Open Closed Disabled Open Open Open Open Open Open Open Open Open SERIAL PORT 3 CONFIGURATION COM S3/A S3/B S3/C S3/D » COM3 (3E8h-3EFh) Open Closed Open Open COM1 (3F8h-3FFh) Open Open Open Closed COM2 (2F8h-2FFh) Open Open Closed Open COM4 (2E8h-2EFh) Closed Open Open Open Disabled Open Open Open Open SERIAL PORT 3 INTERRUPT SELECTION IRQ JP6/A JP6/B JP6/C JP6/D JP6/E JP6/F JP6/G JP6/H JP6/I » 10 Open Open Open Open Open Closed Open Open Open 2/9 Open Open Open Open Closed Open 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 7 Open Open Open Closed Open Open Open Open Open 11 Open Open Open Open Open Open Closed Open Open 12 Open Open Open Open Open Open Open Closed Open 15 Open Open Open Open Open Open Open Open Closed Disabled Open Open Open Open Open Open Open Open Open SERIAL PORT 4 CONFIGURATION COM S4/A S4/B S4/C S4/D » COM4 (2E8h-2EFh) Closed Open Open Open COM1 (3F8h-3FFh) Open Open Open Closed COM2 (2F8h-2FFh) Open Open Closed Open COM3 (3E8h-3EFh) Open Closed Open Open Disabled Open Open Open Open SERIAL PORT 4 INTERRUPT SELECTION IRQ JP5/A JP5/B JP5/C JP5/D JP5/E JP5/F JP5/G JP5/H JP5/I » 11 Open Open Open Open Open Open Closed Open Open 2/9 Open Open Open Open Closed Open 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 7 Open Open Open Closed Open Open Open Open Open 10 Open Open Open Open Open Closed Open Open Open 12 Open Open Open Open Open Open Open Closed Open 15 Open Open Open Open Open Open Open Open Closed Disabled Open Open Open Open Open Open Open Open Open SERIAL PORT 3 & 4 ACTIVATION Chip Socket 16450 U3 16450 U4 1489 U9 1488 U11 1489 U14 Note: To activate serial ports 3 & 4 upgrade chips must be installed.