SHUTTLE COMPUTER INTERNATIONAL, INC.
====================================

   HOT-403H

   Processor             80486SX/80487SX/80486DX/80486DX2         
   Processor Speed       25/33/50(internal)/50/66(internal)MHz    
   Chip Set              OPTI                                     
   Max. Onboard DRAM     32MB                                     
   Cache                 64/128/256KB                             
   BIOS                  AMI                                      
   Dimensions            240mm x 220mm                            
   I/O Options           None                                     
   NPU Options           None                                     

<gopher://bitreich.org/I/th99/m/S-T/31005-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location  | Purpose       | Location |
   |---------------------+-----------+---------------+----------|
   | External battery    |    CN1    | Speaker       |   CN4    |
   |---------------------+-----------+---------------+----------|
   | Turbo LED           |    CN2    | Turbo switch  |   CN5    |
   |---------------------+-----------+---------------+----------|
   | Power LED & keylock |    CN3    | Reset switch  |   CN6    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery type select internal     |  CN1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Batter type select external      |  CN1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP1   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | CPU speed select iOSC/2 (See CPU |  JP2   | pins 2 & 3 |
   |   | SPEED table below)               |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select iOSC/1 (See CPU |  JP2   | pins 1 & 2 |
   |   | SPEED table below)               |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Bus speed select ATCLK/6         |  JP6   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Bus speed select ATCLK/4         |  JP6   |    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        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |     JP3     |    JP4     |    JP5     |    JP7     |
   |-------+-------------+------------+------------+------------|
   | 64KB  | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 128KB | pins 2 & 3  | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 256KB | pins 1 & 2  | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type    |  JPA   |        JPB        |        JPC        |
   |-----------+--------+-------------------+-------------------|
   |  80486SX  |  Open  | pins 1 & 2 closed |       Open        |
   |-----------+--------+-------------------+-------------------|
   |  80487SX  | Closed | pins 2 & 3 closed | pins 2 & 3 closed |
   |-----------+--------+-------------------+-------------------|
   |  80486DX  | Closed | pins 2 & 3 closed | pins 1 & 2 closed |
   |-----------+--------+-------------------+-------------------|
   | 80486DX2  | Closed | pins 2 & 3 closed | pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   | Speed  |       JP2       |      JP9       |      JP10      |
   |--------+-----------------+----------------+----------------|
   | 25MHz  |   pins 2 & 3    |   pins 1 & 2   |   pins 2 & 3   |
   |        |     closed      |     closed     |     closed     |
   |--------+-----------------+----------------+----------------|
   | 33MHz  |   pins 2 & 3    |   pins 2 & 3   |   pins 1 & 2   |
   |        |     closed      |     closed     |     closed     |
   |--------+-----------------+----------------+----------------|
   | 50iMHz |   pins 2 & 3    |   pins 1 & 2   |   pins 2 & 3   |
   |        |     closed      |     closed     |     closed     |
   |--------+-----------------+----------------+----------------|
   | 50MHz  |   pins 1 & 2    |   pins 1 & 2   |   pins 2 & 3   |
   |        |     closed      |     closed     |     closed     |
   |--------+-----------------+----------------+----------------|
   | 66iMHz |   pins 2 & 3    |   pins 2 & 3   |   pins 1 & 2   |
   |        |     closed      |     closed     |     closed     |
   +------------------------------------------------------------+