SAMSUNG ELECTRONICS AMERICA, INC.
=================================

   DeskMaster 486S/20

   Processor        80486SX                                       
   Processor Speed  20MHz                                         
   Chip Set         OPTI                                          
   Max. Onboard     32MB                                          
   DRAM             
   Cache            None                                          
   BIOS             Phoenix                                       
   Dimensions       330mm x 218mm                                 
   I/O Options      Floppy drive interface, IDE interface,        
                    parallel port, PS/2 bus mouse, serial port    
                    (2), VGA port, video feature interface        
                    connector                                     
   NPU Options      80487SX                                       

<gopher://bitreich.org/I/th99/m/S-T/30801-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    C1    | Floppy drive      |    C8    |
   |                  |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | PS/2 bus mouse   |    C2    | Video feature     |    C9    |
   |                  |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Serial port two  |    C3    | Reset switch      |    J1    |
   |------------------+----------+-------------------+----------|
   | Serial port one  |    C4    | Power LED &       |    J2    |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Parallel port    |    C5    | Speaker           |    J3    |
   |------------------+----------+-------------------+----------|
   | VGA video port   |    C6    | IDE interface LED |    J4    |
   |------------------+----------+-------------------+----------|
   | IDE interface    |    C7    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Jumper | Position |
   |----------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |   J5   |  Closed  |
   |---+------------------------------------+--------+----------|
   |>> | IDE interface enabled              |   J6   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | IDE interface disabled             |   J6   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Battery select internal            |   J7   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Battery select external            |   J7   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+