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 |