LAVA COMPUTER MFG, INC. LAVA DSERIAL-DB9 Card Type Serial Chipset Controller 16450/16550 UART I/O Options Serial port (2) Maximum Dram N/A [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Serial port 2 CN2 SERIAL PORT 1 CONFIGURATION COM JP1/A JP1/B COM1 Pins 1 & 2 closed All open COM2 Pins 2 & 3 closed All open COM3 All open Pins 1 & 2 closed COM4 All open Pins 2 & 3 closed SERIAL PORT 2 CONFIGURATION COM JP2/A JP2/B COM1 Pins 1 & 2 closed All open COM2 Pins 2 & 3 closed All open COM3 All open Pins 1 & 2 closed COM4 All open Pins 2 & 3 closed SERIAL PORT 1 INTERRUPT SELECT IRQ JP3 JP4 JP5 JP6 IRQ13 Pins 1 & 2 All open All open All open closed IRQ12 All open Pins 1 & 2 All open All open closed IRQ11 All open All open Pins 1 & 2 All open closed IRQ10 All open All open All open Pins 1 & 2 closed SERIAL PORT 1 INTERRUPT SELECT IRQ JP7 JP8 JP9 JP10 IRQ5 Pins 1 & 2 All open All open All open closed IRQ2 All open Pins 1 & 2 All open All open closed IRQ3 All open All open Pins 1 & 2 All open closed IRQ4 All open All open All open Pins 1 & 2 closed SERIAL PORT 2 INTERRUPT SELECT IRQ JP3 JP4 JP5 JP6 IRQ13 Pins 2 & 3 All open All open All open closed IRQ12 All open Pins 2 & 3 All open All open closed IRQ11 All open All open Pins 2 & 3 All open closed IRQ10 All open All open All open Pins 2 & 3 closed SERIAL PORT 2 INTERRUPT SELECT IRQ JP7 JP8 JP9 JP10 IRQ5 Pins 2 & 3 All open All open All open closed IRQ2 All open Pins 2 & 3 All open All open closed IRQ3 All open All open Pins 2 & 3 All open closed IRQ4 All open All open All open Pins 2 & 3 closed