LAVA COMPUTER MFG, INC.
LAVA 2SP-550
Card Type |
Multi I/O |
Chipset Controller |
16450/16550 UART |
I/O Options |
Parallel port, Serial ports (2) |
Maximum Dram |
N/A |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
25-pin Parallel port |
CN1 |
Serial port 2 internal |
CN3 |
Serial port 1 |
CN2 |
SERIAL PORT 1 CONFIGURATION | ||
COM |
JP1/B |
JP1/A |
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/B |
JP2/A |
COM1 |
Pins 2 & 3 closed |
All open |
COM2 |
Pins 1 & 2 closed |
All open |
COM3 |
All open |
Pins 2 & 3 closed |
COM4 |
All open |
Pins 1 & 2 closed |
SERIAL PORT 1 INTERRUPT SELECT | ||||
Setting |
JP3 |
JP4 |
JP5 |
JP6 |
IRQ13 |
Pins 1 & 2 closed |
All open |
All open |
All open |
IRQ12 |
All open |
Pins 1 & 2 closed |
All open |
All open |
IRQ11 |
All open |
All open |
Pins 1 & 2 closed |
All open |
IRQ10 |
All open |
All open |
All open |
Pins 1 & 2 closed |
SERIAL PORT 1 INTERRUPT SELECT | ||||
Setting |
JP7 |
JP8 |
JP9 |
JP10 |
IRQ5 |
Pins 1 & 2 closed |
All open |
All open |
All open |
IRQ2 |
All open |
Pins 1 & 2 closed |
All open |
All open |
IRQ4 |
All open |
All open |
Pins 1 & 2 closed |
All open |
IRQ3 |
All open |
All open |
All open |
Pins 1 & 2 closed |
SERIAL PORT 2 INTERRUPT SELECT | ||||
Setting |
JP3 |
JP4 |
JP5 |
JP6 |
IRQ13 |
Pins 2 & 3 closed |
All open |
All open |
All open |
IRQ12 |
All open |
Pins 2 & 3 closed |
All open |
All open |
IRQ11 |
All open |
All open |
Pins 2 & 3 closed |
All open |
IRQ10 |
All open |
All open |
All open |
Pins 2 & 3 closed |
SERIAL PORT 2 INTERRUPT SELECT | ||||
Setting |
JP7 |
JP8 |
JP9 |
JP10 |
IRQ5 |
Pins 2 & 3 closed |
All open |
All open |
All open |
IRQ2 |
All open |
Pins 2 & 3 closed |
All open |
All open |
IRQ4 |
All open |
All open |
Pins 2 & 3 closed |
All open |
IRQ3 |
All open |
All open |
All open |
Pins 2 & 3 closed |
PARALLEL PORT SELECT | |
Port |
JP11/A |
LPT1 |
Pins 1 & 2 closed |
LPT2 |
Pins 2 & 3 closed |
PARALLEL PORT INTERRUPT SELECT | |
IRQ |
JP11/B |
IRQ5 |
Pins 1 & 2 closed |
IRQ7 |
Pins 2 & 3 closed |
PARALLEL PORT DIRECTION SELECT | |
Setting |
JP12 |
Bi-Directional |
Pins 1 & 2 closed |
Uni-Drectional |
Pins 2 & 3 closed |