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               

<gopher://bitreich.org/I/th99/i/I-L/53087-1.png>
   

   +------------------------------------------------------------+
   |                        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 |
   |         |     & 2     |    & 3     |    & 5     |  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 |
   |         |     & 2     |    & 3     |    & 5     |  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    | JP12/pins 1 |  Closed  |
   | LPT1                              |     & 2     |          |
   |-----------------------------------+-------------+----------|
   | Parallel port is configured as    | JP12/pins 2 |  Closed  |
   | LPT2                              |     & 3     |          |
   |-----------------------------------+-------------+----------|
   | IRQ 5 enabled                     | JP12/pins 4 |  Closed  |
   |                                   |     & 5     |          |
   |-----------------------------------+-------------+----------|
   | IRQ 7 enabled                     | JP12/pins 5 |  Closed  |
   |                                   |     & 6     |          |
   |-----------------------------------+-------------+----------|
   | Parallel port bi-directional mode | JP13/pins 1 |  Closed  |
   | enabled                           |     & 2     |          |
   |-----------------------------------+-------------+----------|
   | Parallel port uni-directional     | JP13/pins 2 |  Closed  |
   | mode enabled                      |     & 3     |          |
   +------------------------------------------------------------+