OGIVAR, INC.
============

   INTERSYSTEM 386/25

   Processor         80386DX                                      
   Processor Speed   25MHz                                        
   Chip Set          Unidentified                                 
   Max. Onboard DRAM 16MB (on external memory card)               
   Cache             None                                         
   BIOS              Unidentified                                 
   Dimensions        330mm x 218mm                                
   I/O Options       32-bit external memory card (2)              
   NPU Options       80287/80387DX                                

<gopher://bitreich.org/I/th99/m/M-O/32312-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |    J2    | Reset switch     |  JP3 or  |
   |                   |          |                  |   JP8    |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J5    | 32-bit external  |  SL1 &   |
   |                   |          | memory card      |   SL2    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J6    |                  |          |
   | keylock           |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |   J4   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   J7   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Battery type select external     |  JP1   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Battery type select internal     |  JP1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP2   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP2   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Power good signal detect from    |  JP4   | pins 2 & 3 |
   |   | power supply                     |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    |  JP4   | pins 1 & 2 |
   |   | board                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | NPU synchronous with CPU         |  JP5   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | NPU asynchronous with CPU        |  JP5   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         DRAM CONFIGURATION (EXTERNAL MEMORY CARD)          |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
   |------+-------------+-------------+------------+------------|
   | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (4) 256K x  | (4) 256K x  | (4) 256K x | (4) 256K x |
   |      |      9      |      9      |     9      |     9      |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (4) 1M x 9  | (4) 256K x  | (4) 256K x |    NONE    |
   |      |             |      9      |     9      |            |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 16MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      NPU TYPE SELECT                       |
   |------------------------------------------------------------|
   |          Type          |        JP6        |      JP7      |
   |------------------------+-------------------+---------------|
   |>>       | None         |      Closed       |     Open      |
   |---------+--------------+-------------------+---------------|
   |         |    80287     |      Closed       |     Open      |
   |---------+--------------+-------------------+---------------|
   |         |    80387     |       Open        |    Closed     |
   |------------------------------------------------------------|
   | Note: Exact location of JP6 & JP7 is approximate. Both     |
   | jumpers are labeled on the board.                          |
   +------------------------------------------------------------+