SILICON STAR INTERNATIONAL, INC.
================================

   CACHE 386/486 SYSTEM DOMINATOR AK3/4

   Processor         AM386DX/80386DX/CX486DLC                     
   Processor Speed   33/40MHz                                     
   Chip Set          UMC                                          
   Max. Onboard DRAM 32MB                                         
   Cache             32/128KB                                     
   BIOS              Award                                        
   Dimensions        170mm x 220mm                                
   NPU Options       Intel 80387D/CX87DLC/IIT3C87-33-40           

<gopher://bitreich.org/I/th99/m/A-B/31938-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | Keyboard Connector |    J1    | Turbo switch    |    J5    |
   |--------------------+----------+-----------------+----------|
   | External battery   |    J2    | Turbo LED       |    J6    |
   |--------------------+----------+-----------------+----------|
   | Power Input        |    J3    | Speaker         |    J7    |
   |--------------------+----------+-----------------+----------|
   | Reset switch       |    J4    | Power LED &     |    J8    |
   |                    |          | keylock         |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | NPU disabled                     |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | NPU enabled                      |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | CPU speed select 40 MHz          |  JP7   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select 33 MHz          |  JP7   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP8   |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Power good signal detect from    |  JP9   | pins 2 & 3 |
   |   | board                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    |  JP9   | pins 1 & 2 |
   |   | power supply                     |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size     | Max Cachable  |    Bank 0     |     TAG      |
   |-------------+---------------+---------------+--------------|
   |    32KB     |      8MB      |  (4) 8K x 8   |    8K x 8    |
   |-------------+---------------+---------------+--------------|
   |    128KB    |     16MB      |  (4) 32K x 8  |    8K x 8    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Size     |      JP3      |     JP4      |     JP5      |
   |--------------+---------------+--------------+--------------|
   |     32KB     |     Open      |     Open     |     Open     |
   |--------------+---------------+--------------+--------------|
   |    128KB     |    Closed     |    Closed    |    Closed    |
   +------------------------------------------------------------+