JC INFORMATION SYSTEMS CORPORATION
==================================

   HIGH PERFORMANCE 386 (NON-CACHE)

   Processor             80386DX                                  
   Processor Speed       20/25MHz                                 
   Chip Set              C & T                                    
   Max. Onboard DRAM     8MB                                      
   Cache                 None                                     
   BIOS                  Phoenix                                  
   Dimensions            330mm x 218mm                            
   I/O Options           32-bit external memory card slot         
   NPU Options           80387/3167                               

<gopher://bitreich.org/I/th99/m/I-L/30962-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Speaker       |    J1    | Turbo LED            |    J4    |
   |---------------+----------+----------------------+----------|
   | Reset switch  |    J2    | External battery     |    J9    |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J3    | 32-bit external      |    S1    |
   | keylock       |          | memory card          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              | Jumper |   Position    |
   |-----------------------------------+--------+---------------|
   |>> | Battery select internal       |   J9   |  pins 3 & 4   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Battery select external       |   J9   |    Closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Monitor type select color     |  JP1   |    Closed     |
   |---+-------------------------------+--------+---------------|
   |   | Monitor type select           |  JP1   |     Open      |
   |   | monochrome                    |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | NPU disabled                  |  JP2   |     Open      |
   |---+-------------------------------+--------+---------------|
   |   | NPU enabled                   |  JP2   | pins 1 & 2, 3 |
   |   |                               |        |  & 4 closed   |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP3   |      N/A      |
   |   | alter                         |        |               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |      P-0      |    Bank 1     |
   |------------+---------------+---------------+---------------|
   |    1MB     |   (8) 44256   |   (4) 41256   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    1MB     |     NONE      |     NONE      | (4) 256K x 9  |
   |------------+---------------+---------------+---------------|
   |    2MB     |   (8) 44256   |   (4) 41256   | (4) 256K x 9  |
   |------------+---------------+---------------+---------------|
   |    4MB     |  (8) 441000   |  (4) 411000   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    4MB     |     NONE      |     NONE      |   (4) 1M x9   |
   |------------+---------------+---------------+---------------|
   |    5MB     |  (8) 441000   |  (4) 411000   | (4) 256K x 9  |
   |------------+---------------+---------------+---------------|
   |    5MB     |   (8) 44256   |   (4) 41256   |   (4) 1M x9   |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (8) 441000   |  (4) 411000   |   (4) 1M x9   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |      Function       |    JP4     |    JP6     |    JP7     |
   |---------------------+------------+------------+------------|
   | Bank 0 as DIPP      | pins 1 & 2 | pins 3 & 4 | pins 2 & 3 |
   | memory              |   closed   |   closed   |   closed   |
   |---------------------+------------+------------+------------|
   | Bank 0 as SIMM      | pins 3 & 4 | pins 1 & 2 | pins 1 & 2 |
   | memory              |   closed   |   closed   |   closed   |
   |------------------------------------------------------------|
   | Note : When using both DIPP & SIMM together, the DIPPs     |
   | must be set as Bank 0.                                     |
   +------------------------------------------------------------+