(TXT) View Source
       
       # CHICONY, INC.
       
          CH-486S-16/20/25/33H, CH-486-25/33H
       
          Processor              80486SX/80487SX/80486DX                 
          Processor Speed        16/20/25/33MHz                          
          Chip Set               OPTI                                    
          Max. Onboard DRAM      32MB                                    
          Cache                  None                                    
          BIOS                   AMI                                     
          Dimensions             330mm x 218mm                           
          I/O Options            None                                    
          NPU Options            80487SX                                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |   CR1    | Power LED &       |   J20    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | External battery |    J4    | Turbo switch      |   JP6    |
          |------------------+----------+-------------------+----------|
          | Speaker          |   J15    | Reset switch      |   SW1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select color      |  JP3   |    Closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP3   |     Open     |
          |---+--------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  JP5   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  JP5   |  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        |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |        JP1        |   JP2   |        JP4        |
          |----------+-------------------+---------+-------------------|
          | 80486SX  | pins 2 & 3 closed |  Open   |       Open        |
          |----------+-------------------+---------+-------------------|
          | 80487SX  | pins 1 & 2 closed | Closed  | pins 1 & 2 closed |
          |----------+-------------------+---------+-------------------|
          | 80486DX  | pins 1 & 2 closed | Closed  | pins 2 & 3 closed |
          +------------------------------------------------------------+