LAVA COMPUTER MANUFACTURING, INC. LAVA 2SP-550 (VER. 2) Card Type Serial/parallel card Chip Set Unidentified Maximum Onboard Memory N/A I/O Options Serial port (2), parallel port Hard Drives supported None Floppy drives supported None Data Bus 16-bit ISA Card Size Half-length, full-height [Image] CONNECTIONS Function Label Function Label Serial port 1 CN1 Serial port 2 CN3 Parallel port CN2 SERIAL PORT 1 CONFIGURATION Setting JP1/pins 1 & JP1/pins 2 & JP1/pins 4 & JP1/pins 5 & 2 3 5 6 COM1 Closed Open Open Open COM2 Open Closed Open Open COM3 Open Open Closed Open COM4 Open Open Open Closed SERIAL PORT 2 CONFIGURATION Setting JP2/pins 1 & JP2/pins 2 & JP2/pins 4 & JP2/pins 5 & 2 3 5 6 COM1 Closed Open Open Open COM2 Open Closed Open Open COM3 Open Open Closed Open COM4 Open Open Open Closed SERIAL PORT 1 INTERRUPT SELECTION Setting JP3/ JP4/ JP5/ JP6/ JP7/ JP8/ JP9/ JP10/ JP11/ pins pins pins pins pins pins pins pins pins 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 IRQ2 Open Open Closed Open Open Open Open Open Open IRQ3 Closed Open Open Open Open Open Open Open Open IRQ4 Open Closed Open Open Open Open Open Open Open IRQ5 Open Open Open Closed Open Open Open Open Open IRQ7 Open Open Open Open Closed Open Open Open Open IRQ10 Open Open Open Open Open Closed Open Open Open IRQ11 Open Open Open Open Open Open Closed Open Open IRQ12 Open Open Open Open Open Open Open Closed Open IRQ15 Open Open Open Open Open Open Open Open Closed SERIAL PORT 2 INTERRUPT SELECTION Setting JP3/ JP4/ JP5/ JP6/ JP7/ JP8/ JP9/ JP10/ JP11/ pins pins pins pins pins pins pins pins pins 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 IRQ2 Open Open Closed Open Open Open Open Open Open IRQ3 Closed Open Open Open Open Open Open Open Open IRQ4 Open Closed Open Open Open Open Open Open Open IRQ5 Open Open Open Closed Open Open Open Open Open IRQ7 Open Open Open Open Closed Open Open Open Open IRQ10 Open Open Open Open Open Closed Open Open Open IRQ11 Open Open Open Open Open Open Closed Open Open IRQ12 Open Open Open Open Open Open Open Closed Open IRQ15 Open Open Open Open Open Open Open Open Closed USER CONFIGURABLE SETTINGS Function Label Position Parallel port is configured as LPT1 JP12/pins 1 & 2 Closed Parallel port is configured as LPT2 JP12/pins 2 & 3 Closed IRQ 5 enabled JP12/pins 4 & 5 Closed IRQ 7 enabled JP12/pins 5 & 6 Closed Parallel port bi-directional mode JP13/pins 1 & 2 Closed enabled Parallel port uni-directional mode JP13/pins 2 & 3 Closed enabled