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

   PowerMaster SD931

   Processor             80486DX                                  
   Processor Speed       25/33MHz                                 
   Chip Set              Micronics                                
   Max. Onboard DRAM     32MB                                     
   Cache                 64/128/256KB                             
   BIOS                  Phoenix                                  
   Dimensions            355mm x 271mm                            
   I/O Options           32-bit external memory card slot         
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/S-T/31055-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |   J11    | Reset switch     |    W6    |
   |-------------------+----------+------------------+----------|
   | Speaker           |   J23    | Turbo switch     |    W7    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   J24    | 32-bit external  |    S1    |
   | keylock           |          | memory card      |          |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |    W5    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Switch | Position |
   |----------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/1  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/2  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/3  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/4  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/5  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Video BIOS select cacheable        | SW1/6  |    On    |
   |---+------------------------------------+--------+----------|
   |   | Video BIOS select non-cacheable    | SW1/6  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | CPU speed select 33MHz             | SW1/7  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | CPU speed select 25MHz             | SW1/7  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/8  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/6  |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Size   |  SW2/1   |  SW2/2  |  SW2/3  |  SW2/4  |  SW2/5  |
   |---------+----------+---------+---------+---------+---------|
   |   1MB   |    On    |   On    |   On    |   On    |   On    |
   |---------+----------+---------+---------+---------+---------|
   |   2MB   |   Off    |   On    |   On    |   On    |   On    |
   |---------+----------+---------+---------+---------+---------|
   |   4MB   |    On    |   On    |   Off   |   On    |   On    |
   |---------+----------+---------+---------+---------+---------|
   |   5MB   |    On    |   On    |   Off   |   Off   |   On    |
   |---------+----------+---------+---------+---------+---------|
   |   8MB   |   Off    |   On    |   Off   |   On    |   On    |
   |---------+----------+---------+---------+---------+---------|
   |  16MB   |    On    |   On    |   Off   |   On    |   Off   |
   |---------+----------+---------+---------+---------+---------|
   |  20MB   |    On    |   On    |   Off   |   Off   |   Off   |
   |---------+----------+---------+---------+---------+---------|
   |  32MB   |   Off    |   On    |   Off   |   On    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
   |------------------+--------------------+--------------------|
   |      128KB       |    (4) 32K x 8     |        NONE        |
   |------------------+--------------------+--------------------|
   |      256KB       |    (4) 32K x 8     |    (4) 32K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CACHE JUMPER/SWITCH CONFIGURATION              |
   |------------------------------------------------------------|
   | Size  |        W3        |       W4        | SW2/7 | SW2/8 |
   |-------+------------------+-----------------+-------+-------|
   | 64KB  |    pins 2 & 3    |   pins 2 & 3    |  Off  |  Off  |
   |       |      closed      |     closed      |       |       |
   |-------+------------------+-----------------+-------+-------|
   | 128KB |    pins 2 & 3    |   pins 1 & 2    |  On   |  On   |
   |       |      closed      |     closed      |       |       |
   |-------+------------------+-----------------+-------+-------|
   | 256KB |    pins 1 & 2    |   pins 1 & 2    |  Off  |  On   |
   |       |      closed      |     closed      |       |       |
   +------------------------------------------------------------+