WYSE TECHNOLOGY, INC.
=====================

   WYSE DECISION 386SX/20

   Processor             80386SX                                  
   Processor Speed       16/20MHz                                 
   Chip Set              WYSE                                     
   Max. Onboard DRAM     8MB                                      
   Cache                 None                                     
   BIOS                  WYSE                                     
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           80387SX                                  

<gopher://bitreich.org/I/th99/m/U-Z/30394-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J1    | Turbo switch     |    J4    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J2    | Turbo LED        |    J5    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J3    | External battery |    J6    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CPU speed select 20MHz           |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select 16MHz           |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP5   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP5   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Battery select internal          |  JP6   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery select external          |  JP6   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Power good signal detect from    |  JP7   | pins 2 & 3 |
   |   | power supply                     |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    |  JP7   | pins 1 & 2 |
   |   | board                            |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank  |
   |       |        |        |        |        |        |   5   |
   |-------+--------+--------+--------+--------+--------+-------|
   | 1MB 1 |  (8)   |  (4)   |  NONE  |  NONE  |  NONE  | NONE  |
   |       | 44256  | 41256  |        |        |        |       |
   |-------+--------+--------+--------+--------+--------+-------|
   | 2MB 1 |  (8)   |  (4)   |  NONE  |  NONE  |  (2)   |  (2)  |
   |       | 44256  | 41256  |        |        | 256K x | 256K  |
   |       |        |        |        |        |   9    |  x 9  |
   |-------+--------+--------+--------+--------+--------+-------|
   | 3MB 1 |  (8)   |  (4)   |  NONE  |  NONE  | (2) 1M | NONE  |
   |       | 44256  | 41256  |        |        |  x 9   |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  4MB  |  NONE  |  NONE  | (2) 1M | (2) 1M |  NONE  | NONE  |
   |       |        |        |  x 9   |  x 9   |        |       |
   |-------+--------+--------+--------+--------+--------+-------|
   | 5MB 1 |  (8)   |  (4)   |  NONE  |  NONE  | (2) 1M |  (2)  |
   |       | 44256  | 41256  |        |        |  x 9   | 1M x  |
   |       |        |        |        |        |        |   9   |
   |-------+--------+--------+--------+--------+--------+-------|
   |  5MB  |  NONE  |  NONE  |  (2)   |  (2)   | (2) 1M |  (2)  |
   |       |        |        | 256K x | 256K x |  x 9   | 1M x  |
   |       |        |        |   9    |   9    |        |   9   |
   |-------+--------+--------+--------+--------+--------+-------|
   |  6MB  |  NONE  |  NONE  | (2) 1M | (2) 1M | (2) 1M | NONE  |
   |       |        |        |  x 9   |  x 9   |  x 9   |       |
   |-------+--------+--------+--------+--------+--------+-------|
   |  8MB  |  NONE  |  NONE  | (2) 1M | (2) 1M | (2) 1M |  (2)  |
   |       |        |        |  x 9   |  x 9   |  x 9   | 1M x  |
   |       |        |        |        |        |        |   9   |
   |------------------------------------------------------------|
   | Note 1 :Banks 0 and 1 are filled at the factory with DIP   |
   | chips.                                                     |
   +------------------------------------------------------------+