URI: 
  TEXT View Source
       
       # SHUTTLE COMPUTER INTERNATIONAL, INC.
       
          HOT-409 (VER. 2.2)
       
          Processor    80486SX/80487SX/AM486DX/80486DX/80486DX2/Pentium  
                       Overdrive                                         
          Processor    25/33/40/50(internal)/50/66(internal)MHz          
          Speed        
          Chip Set     OPTI                                              
          Max. Onboard 32MB                                              
          DRAM         
          Cache        64/128/256KB                                      
          BIOS         AMI                                               
          Dimensions   260mm x 220mm                                     
          I/O Options  32-bit VESA local bus slots                       
          NPU Options  None                                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J1    | Turbo switch     |   JP28   |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J5    | Reset switch     |   SW1    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J6    | 32-bit VESA      |  SL1 &   |
          |                   |          | local bus slots  |   SL2    |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |   JP24   |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Battery type select internal     |   J1   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select external     |   J1   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP1   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP1   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP32  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | ADS# signal not delayed          |  JP40  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | ADS# signal delayed              |  JP40  | pins 2 & 3 |
          |   |                                  |        |   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) 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) 16K or (1) 32K x 8 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size   |        JP7        |   JP9    |  JP15   |  JP22   |
          |---------+-------------------+----------+---------+---------|
          |  64KB   | pins 2 & 3 closed |   Open   |  Open   |  Open   |
          |---------+-------------------+----------+---------+---------|
          |  128KB  | pins 1 & 2 closed |  Closed  | Closed  |  Open   |
          |---------+-------------------+----------+---------+---------|
          |  256KB  | pins 2 & 3 closed |  Closed  | Closed  | Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |       Type        |       JP11        |        JP12        |
          |-------------------+-------------------+--------------------|
          |      80486SX      |       Open        | pins 2 & 3 closed  |
          |-------------------+-------------------+--------------------|
          |      80487SX      | pins 2 & 3 closed | pins 1 & 2, 3 & 4  |
          |                   |                   |       closed       |
          |-------------------+-------------------+--------------------|
          |      80486DX      | pins 1 & 2 closed | pins 1 & 2, 3 & 4  |
          |                   |                   |       closed       |
          |-------------------+-------------------+--------------------|
          |     80486DX2      | pins 1 & 2 closed | pins 1 & 2, 3 & 4  |
          |                   |                   |       closed       |
          |-------------------+-------------------+--------------------|
          | Pentium Overdrive | pins 2 & 3 closed | pins 1 & 2, 3 & 4  |
          |                   |                   |       closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |    Speed    |    JP10     |       JP16        |    JP23    |
          |-------------+-------------+-------------------+------------|
          |    25MHz    |    Open     | pins 2 & 3 closed |   Closed   |
          |-------------+-------------+-------------------+------------|
          |    33MHz    |   Closed    | pins 2 & 3 closed |    Open    |
          |-------------+-------------+-------------------+------------|
          |    40MHz    |    Open     | pins 2 & 3 closed |    Open    |
          |-------------+-------------+-------------------+------------|
          |   50iMHz    |    Open     | pins 2 & 3 closed |   Closed   |
          |-------------+-------------+-------------------+------------|
          |    50MHz    |    Open     | pins 1 & 2 closed |   Closed   |
          |-------------+-------------+-------------------+------------|
          |   66iMHz    |   Closed    | pins 2 & 3 closed |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  VESA MODE CONFIGURATION                   |
          |------------------------------------------------------------|
          |         Mode          |   JP13   |  JP18   |      U43      |
          |-----------------------+----------+---------+---------------|
          |      Slave mode       |  Closed  | Closed  | Not installed |
          |-----------------------+----------+---------+---------------|
          | Master and slave mode |   Open   |  Open   |   Installed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VESA WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |          Wait states          |            J20             |
          |-------------------------------+----------------------------|
          |         0 wait states         |           Closed           |
          |-------------------------------+----------------------------|
          |         1 wait state          |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUS SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |           CPU speed           |            JP21            |
          |-------------------------------+----------------------------|
          |           <= 33MHz            |           Closed           |
          |-------------------------------+----------------------------|
          |            > 33MHz            |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          VESA DEVICE COMPATIBILITY CONFIGURATION           |
          |------------------------------------------------------------|
          |      Setup       |        JP29        |        JP39        |
          |------------------+--------------------+--------------------|
          |        0         | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |        1         | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |        2         | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+