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       # ILON USA, INC.
       
          486 CACHE PLUS
       
          Processor             80486SX/80486DX                          
          Processor Speed       20/25/33MHz                              
          Chip Set              SIS                                      
          Max. Onboard DRAM     32MB                                     
          Cache                 32/64/128/256KB                          
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80487SX                                  
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Turbo LED      |    J1    | Power LED & keylock |    J4    |
          |----------------+----------+---------------------+----------|
          | Turbo switch   |    J2    | Speaker             |    J5    |
          |----------------+----------+---------------------+----------|
          | Reset switch   |    J3    | External battery    |   J12    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select color      |  J11   |    Closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  J11   |     Open     |
          |---+--------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  J13   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  J13   |  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        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    32KB    |  (4) 8K x 8   |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 32K x 8  |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size   |    J6    |   J7    |   J8    |   J9    |  J10   |
          |----------+----------+---------+---------+---------+--------|
          |   32KB   |   Open   |  Open   | Closed  | Closed  | 2 & 3  |
          |----------+----------+---------+---------+---------+--------|
          |   64KB   |  2 & 3   |  Open   | Closed  |  Open   | 2 & 3  |
          |----------+----------+---------+---------+---------+--------|
          |  128KB   |  2 & 3   |  2 & 3  |  Open   |  Open   | 2 & 3  |
          |----------+----------+---------+---------+---------+--------|
          |  256KB   |  2 & 3   |  2 & 3  |  Open   |  Open   | 1 & 2  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |           Size           |               J14               |
          |--------------------------+---------------------------------|
          |         80486SX          |        pins 4 & 6 closed        |
          |--------------------------+---------------------------------|
          |         80486DX          | pins 1 & 2, 3 & 4, 5 & 6 closed |
          +------------------------------------------------------------+