LAVA COMPUTER MANUFACTURING, INC.

LAVA DSERIAL-550

Card Type               Serial card
Chip Set                Unidentified
Maximum Onboard Memory  N/A
I/O Options             Serial ports (2)
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                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