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LAVA 2SP-550 (VER. 2)

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

CONNECTIONS

Function

Label

Function

Label

Serial port 1

CN1

Serial port 2

CN3

Parallel port

CN2

   

SERIAL PORT 1 CONFIGURATION

Setting

JP1/pins 1 & 2

JP1/pins 2 & 3

JP1/pins 4 & 5

JP1/pins 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 & 2

JP2/pins 2 & 3

JP2/pins 4 & 5

JP2/pins 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/

pins

2 & 3

JP4/

pins

2 & 3

JP5/

pins

2 & 3

JP6/

pins

2 & 3

JP7/

pins

2 & 3

JP8/

pins

2 & 3

JP9/

pins

2 & 3

JP10/

pins

2 & 3

JP11/

pins

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/

pins

1 & 2

JP4/

pins

1 & 2

JP5/

pins

1 & 2

JP6/

pins

1 & 2

JP7/

pins

1 & 2

JP8/

pins

1 & 2

JP9/

pins

1 & 2

JP10/

pins

1 & 2

JP11/

pins

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 enabled

JP13/pins 1 & 2

Closed

Parallel port uni-directional mode enabled

JP13/pins 2 & 3

Closed