OLIVETTI
========

   PCS30/PCS40 (486-VC)

   Processor              80486SX/80487SX/80486DX/80486DX2        
   Processor Speed        25/33/50(internal)/66(internal)MHz      
   Chip Set               Unidentified                            
   Maximum Onboard Memory 32MB                                    
   Cache                  64/128/256KB                            
   BIOS                   Unidentified                            
   Dimensions             254mm x 218mm                           
   I/O Options            None                                    
   NPU Options            None                                    

<gopher://bitreich.org/I/th99/m/M-O/33283-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Function     |  Label   |      Function       |  Label  |
   |-----------------+----------+---------------------+---------|
   | Turbo LED       |    J7    | Speaker             |   J10   |
   |-----------------+----------+---------------------+---------|
   | Turbo switch    |    J8    | Power LED & keylock |   J11   |
   |-----------------+----------+---------------------+---------|
   | Reset switch    |    J9    |                     |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | CMOS memory normal operation        |  J2   |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | CMOS memory clear                   |  J2   |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Monitor type select                 |  J3   |   Open   |
   |   | monochrome/EGA/VGA                  |       |          |
   |---+-------------------------------------+-------+----------|
   |   | Monitor type select color           |  J3   |  Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                            DRAM                            |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CACHE SIZE                         |
   |------------------------------------------------------------|
   |    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                        |
   |------------------------------------------------------------|
   |       Size       |        JS1         |        JS2         |
   |------------------+--------------------+--------------------|
   |       64KB       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |      128KB       | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |      256KB       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          CPU TYPE                          |
   |------------------------------------------------------------|
   | Setting  |    JC1     |    JC2     |    JC3    |    JC4    |
   |----------+------------+------------+-----------+-----------|
   | 80486SX  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  |   Open    |
   |          |   closed   |   closed   | 3 closed  |           |
   |----------+------------+------------+-----------+-----------|
   | 80487SX  | Pins 1 & 2 | Pins 1 & 2 | Pins 2 &  | Pins 2 &  |
   |          |   closed   |   closed   | 3 closed  | 3 closed  |
   |----------+------------+------------+-----------+-----------|
   | 80486DX  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
   |          |   closed   |   closed   | 2 closed  | 2 closed  |
   |----------+------------+------------+-----------+-----------|
   | 80486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
   |          |   closed   |   closed   | 2 closed  | 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CPU SPEED                          |
   |------------------------------------------------------------|
   |     Setting      |        JK1         |        JK2         |
   |------------------+--------------------+--------------------|
   |      25MHz       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |      33MHz       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |      50iMHz      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |      66iMHz      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+