JOINDATA SYSTEMS, INC.
======================

   G386SB

   Processor          80386DX                                     
   Processor Speed    33MHz                                       
   Chip Set           SIS                                         
   Max. Onboard DRAM  16MB                                        
   SRAM Cache         32/64KB                                     
   BIOS               AMI                                         
   Dimensions         330mm x 218mm                               
   I/O Options        None                                        
   NPU Options        80387/3167                                  

<gopher://bitreich.org/I/th99/m/I-L/30362-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose        | Location | Purpose             | Location |
   |----------------+----------+---------------------+----------|
   | Reset switch   |    J9    | Speaker             |   J12    |
   |----------------+----------+---------------------+----------|
   | Turbo LED      |   J10    | Power LED & keylock |   J13    |
   |----------------+----------+---------------------+----------|
   | Turbo switch   |   J11    | External battery    |   J14    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Jumper | Position |
   |----------------------------------------+--------+----------|
   |>> | NPU mode select synchronous with   |  JP3   |   open   |
   |   | CPU                                |        |          |
   |---+------------------------------------+--------+----------|
   |   | NPU mode select synchronous with   |  JP3   |  closed  |
   |   | OSC3                               |        |          |
   |---+------------------------------------+--------+----------|
   |>> | Monitor type select color          |  JP15  |  closed  |
   |---+------------------------------------+--------+----------|
   |   | Monitor type select monochrome     |  JP15  |   open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | 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) 1M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 12MB | (4) 256K x  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 16MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (2) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (2) 16K x 4  |
   |------------------------------------------------------------|
   | Note: Bank 0 = U36, U37, U39 & U49.                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |            Size            |              JP1              |
   |----------------------------+-------------------------------|
   |            32KB            |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            64KB            |       pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Setting  |    JP10    |    JP11    |   JP12    |   JP13    |
   |----------+------------+------------+-----------+-----------|
   | Enabled  |   Closed   |   Closed   |  Closed   |  Closed   |
   |----------+------------+------------+-----------+-----------|
   | Disabled |    Open    |    Open    |   Open    |   Open    |
   +------------------------------------------------------------+