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       # ELITEGROUP COMPUTER SYSTEMS, INC.
       
          UM 486 II/486SX II
       
          Processor         80486SX/80487SX/80486DX                      
          Processor Speed   16/20/25/33/50MHz                            
          Chip Set          UMC                                          
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       4167                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J1    | Reset switch      |    J4    |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |    J2    | Speaker           |    J5    |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |    J3    | Power LED &       |    J6    |
          |                  |          | keylock           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select color      |  JP21  |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP21  |  pins 1 & 2  |
          |   |                                |        |    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) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size | JP6  | JP7  | JP8  | JP9  | JP10 | JP11 |JP16 |JP17 |
          |------+------+------+------+------+------+------+-----+-----|
          | 64KB | Open | Open | Open | Open |1 & 2 |1 & 2 |Open |1 & 2|
          |------+------+------+------+------+------+------+-----+-----|
          |128KB |Closed| Open |Closed| Open |2 & 3 |1 & 2 |1 & 2|2 & 3|
          |------+------+------+------+------+------+------+-----+-----|
          |256KB |Closed|Closed|Closed|Closed|2 & 3 |2 & 3 |2 & 3|1 & 2|
          |------------------------------------------------------------|
          |Note:Pins designated should be in the closed position.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Type   |  JP2   |        JP3        |    JP5     |  JP20  |
          |---------+--------+-------------------+------------+--------|
          | 80486SX |  Open  | pins 2 & 3 closed | pins 1 & 2 |  Open  |
          |         |        |                   |   closed   |        |
          |---------+--------+-------------------+------------+--------|
          | 80487SX | Closed | pins 1 & 2 closed | pins 2 & 3 | Closed |
          |         |        |                   |   closed   |        |
          |---------+--------+-------------------+------------+--------|
          | 80486DX | Closed | pins 1 & 2 closed | pins 1 & 2 |  Open  |
          |         |        |                   |   closed   |        |
          +------------------------------------------------------------+