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

   HOT-543

   Processor    Pentium                                           
   Processor    75/90/100MHz                                      
   Speed        
   Chip Set     OPTI                                              
   Max. Onboard 128MB                                             
   DRAM         
   Cache        64/128/256/512/1024/2048KB                        
   BIOS         Award                                             
   Dimensions   330mm x 220mm                                     
   I/O Options  32-bit VESA local bus slots (2), 32-bit PCI slots 
                (4)                                               
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/S-T/32638-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J1    | 32-bit PCI slots |  PCI1 -  |
   | keylock           |          |                  |   PCI4   |
   |-------------------+----------+------------------+----------|
   | External battery  |    J2    | Reset switch     |    S1    |
   |-------------------+----------+------------------+----------|
   | Speaker           |   JP12   | 32-bit VESA      |  SL1 -   |
   |                   |          | local bus        |   SL2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Jumper | Position |
   |----------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |  JP15  |  Closed  |
   |---+------------------------------------+--------+----------|
   |>> | Back-to-Back I/O cycle select fast |  JP20  |   Open   |
   |---+------------------------------------+--------+----------|
   |   | Back-to-Back I/O cycle select slow |  JP20  |  Closed  |
   |---+------------------------------------+--------+----------|
   |>> | LDEV# type select end of first T2  |  JP21  |   Open   |
   |---+------------------------------------+--------+----------|
   |   | LDEV# type select end of second T2 |  JP21  |  Closed  |
   |---+------------------------------------+--------+----------|
   |>> | Monitor type select color          |  JP23  |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Monitor type select monochrome     |  JP23  |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |  JP34  |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       2MB        |   (2) 256K x 36    |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |   (2) 512K x 36    |        NONE        |
   |------------------+--------------------+--------------------|
   |       4MB        |   (2) 256K x 36    |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       6MB        |   (2) 256K x 36    |   (2) 512K x 36    |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |   (2) 512K x 36    |   (2) 512K x 36    |
   |------------------+--------------------+--------------------|
   |       12MB       |   (2) 512K x 36    |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 2M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 1M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 1M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 2M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 4M x 36     |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |  Bank 0  |  Bank 1  |   TAG0   |  TAG1   |  TAG2   |
   |-------+----------+----------+----------+---------+---------|
   | 64KB  | (8) 8K x |   NONE   | (1) 8K x | (1) 8K  | (1) 16K |
   |       |    8     |          |    8     |   x 8   |   x 1   |
   |-------+----------+----------+----------+---------+---------|
   | 128KB | (8) 8K x | (8) 8K x | (1) 8K x | (1) 8K  | (1) 16K |
   |       |    8     |    8     |    8     |   x 8   |   x 1   |
   |-------+----------+----------+----------+---------+---------|
   | 256KB | (8) 32K  |   NONE   | (1) 8K x | (1) 8K  | (1) 16K |
   |       |   x 8    |          |    8     |   x 8   |   x 1   |
   |-------+----------+----------+----------+---------+---------|
   | 512KB | (8) 32K  | (8) 32K  | (1) 8K x | (1) 8K  | (1) 16K |
   |       |   x 8    |   x 8    |    8     |   x 8   |   x 1   |
   |-------+----------+----------+----------+---------+---------|
   | 512KB | (8) 64K  |   NONE   | (1) 32K  | (1) 32K |  NONE   |
   |       |   x 8    |          |   x 8    |   x 8   |         |
   |-------+----------+----------+----------+---------+---------|
   |  1MB  | (8) 128K |   NONE   | (1) 32K  | (1) 32K |  NONE   |
   |       |   x 8    |          |   x 8    |   x 8   |         |
   |-------+----------+----------+----------+---------+---------|
   |  2MB  | (8) 128K | (8) 128K | (1) 128K |   (1)   |  NONE   |
   |       |   x 8    |   x 8    |   x 8    | 128K x  |         |
   |       |          |          |          |    8    |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |Size |JP4 |JP5 |JP6 | JP7  | JP8  | JP9  | JP10 | JP11 |JP35|
   |-----+----+----+----+------+------+------+------+------+----|
   |64KB |1 & |1 & |1 & | Open | Open | Open | Open | Open |Open|
   |     | 2  | 2  | 2  |      |      |      |      |      |    |
   |-----+----+----+----+------+------+------+------+------+----|
   |128KB|2 & |2 & |2 & | Open | Open |Closed| Open | Open |Open|
   |     | 3  | 3  | 3  |      |      |      |      |      |    |
   |-----+----+----+----+------+------+------+------+------+----|
   |256KB|1 & |1 & |1 & | Open |Closed|Closed| Open | Open |Open|
   |     | 2  | 2  | 2  |      |      |      |      |      |    |
   |-----+----+----+----+------+------+------+------+------+----|
   |512KB|2 & |2 & |2 & |Closed|Closed|Closed| Open | Open |Open|
   |     | 3  | 3  | 3  |      |      |      |      |      |    |
   |-----+----+----+----+------+------+------+------+------+----|
   |512KB|1 & |1 & |1 & |Closed|Closed|Closed| Open | Open |2 & |
   |     | 2  | 2  | 2  |      |      |      |      |      | 3  |
   |-----+----+----+----+------+------+------+------+------+----|
   | 1MB |1 & |1 & |1 & |Closed|Closed|Closed|Closed| Open |2 & |
   |     | 2  | 2  | 2  |      |      |      |      |      | 3  |
   |-----+----+----+----+------+------+------+------+------+----|
   | 2MB |2 & |2 & |2 & |Closed|Closed|Closed|Closed|Closed|1 & |
   |     | 3  | 3  | 3  |      |      |      |      |      | 2  |
   |------------------------------------------------------------|
   |Note: Pins designated should be in closed position.         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |           Speed            |             JP13              |
   |----------------------------+-------------------------------|
   |           75MHz            |       pins 5 & 6 closed       |
   |----------------------------+-------------------------------|
   |           90MHz            |       pins 3 & 4 closed       |
   |----------------------------+-------------------------------|
   |           100MHz           |   pins 1 & 2, 5 & 6 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CPU BUS/CORE CONFIGURATION                 |
   |------------------------------------------------------------|
   |             Ratio             |            JP2             |
   |-------------------------------+----------------------------|
   |      1/2 Bus/Core Ratio       |           Closed           |
   |-------------------------------+----------------------------|
   |      2/3 Bus/Core Ratio       |            Open            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 AT BUS CLOCK CONFIGURATION                 |
   |------------------------------------------------------------|
   |        Type        |        JP18        |       JP19       |
   |--------------------+--------------------+------------------|
   |       LCLK/2       |        Open        |       Open       |
   |--------------------+--------------------+------------------|
   |       LCLK/3       |       Closed       |       Open       |
   |--------------------+--------------------+------------------|
   |       LCLK/4       |        Open        |      Closed      |
   |--------------------+--------------------+------------------|
   |       LCLK/5       |       Closed       |      Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     LCLK CONFIGURATION                     |
   |------------------------------------------------------------|
   | Setting  |  JP16  |     JP27     |    JP28    |    U77     |
   |----------+--------+--------------+------------+------------|
   | External | Closed |  pins 2 & 3  | pins 2 & 3 | Installed  |
   |          |        |    closed    |   closed   |            |
   |----------+--------+--------------+------------+------------|
   | Internal |  Open  |  pins 1 & 2  | pins 1 & 2 |    Not     |
   |          |        |    closed    |   closed   | Installed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               VESA WAIT STATE CONFIGURATION                |
   |------------------------------------------------------------|
   |          Wait states          |            JP24            |
   |-------------------------------+----------------------------|
   |         0 wait states         |            Open            |
   |-------------------------------+----------------------------|
   |         1 wait state          |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  BUS SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |           CPU speed           |            JP25            |
   |-------------------------------+----------------------------|
   |           <= 33MHz            |           Closed           |
   |-------------------------------+----------------------------|
   |            > 33MHz            |            Open            |
   +------------------------------------------------------------+