AST RESEARCH, INC.
==================

   Bravo 386SX/16 (202343-001, 003)

   Processor        80386SX                                       
   Processor Speed  16MHz                                         
   Chip Set         AST                                           
   Max. Onboard     4MB                                           
   DRAM             
   SRAM Cache       None                                          
   BIOS             AST                                           
   Dimensions       286mm x 190mm                                 
   I/O Options      Floppy drive interface, IDE interface,        
                    parallel port, serial port                    
   NPU Options      80387SX                                       

<gopher://bitreich.org/I/th99/m/A-B/31174-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | External battery |   J11    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN2    | IDE interface    |   J12    |
   | (COM1)            |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | IDE interface     |    J8    | Riser card       |    S1    |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |    J9    | Reset switch     |   SW1    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Power LED         |   J10    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | POST loop disabled (factory      |   E1   |    open    |
   |   | test)                            |        |            |
   |---+----------------------------------+--------+------------|
   |   | POST loop enabled                |   E1   |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Keyboard select installed        |   E2   |    open    |
   |---+----------------------------------+--------+------------|
   |   | Keyboard select not instaled     |   E2   |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   E3   | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   E4   | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   E5   |   closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |   E6   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |   E6   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   E7   |   closed   |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |    (2) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |    (2) 256K x 9    |    (2) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       2MB        |     (2) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |     (2) 1M x 9     |     (2) 1M x 9     |
   +------------------------------------------------------------+