(TXT) View Source
       
       # OLIVETTI
       
          M286/25
       
          Processor         80386DX                                      
          Processor Speed   25MHz                                        
          Chip Set          C & T                                        
          Max. Onboard DRAM 10MB                                         
          Cache             32KB                                         
          BIOS              Olivetti                                     
          Dimensions        355mm x 304mm                                
          I/O Options       32-bit external memory card                  
          NPU Options       80387DX/3167                                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose            | Location |
          |-----------------+----------+--------------------+----------|
          | PS/2 mouse port |   CN1    | IDE interface      |   CN5    |
          |-----------------+----------+--------------------+----------|
          | Parallel port   |   CN2    | Floppy drive       |   CN6    |
          |                 |          | interface          |          |
          |-----------------+----------+--------------------+----------|
          | Serial port     |   CN3    | 32-bit external    |    S1    |
          |                 |          | memory card        |          |
          |-----------------+----------+--------------------+----------|
          | Video port      |   CN4    |                    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                USER CONFIGURABLE SETTINGS                  |
          |------------------------------------------------------------|
          |            Function             | Jumper/Switch | Position |
          |---------------------------------+---------------+----------|
          | » | Normal operation            |   J11, J12    |  Closed  |
          |---+-----------------------------+---------------+----------|
          |   | Indicates the level from    |   J11, J12    |   Open   |
          |   | the RS232 threshold         |               |          |
          |---+-----------------------------+---------------+----------|
          | » | Factory configured - do not |      J14      |  Closed  |
          |   | alter                       |               |          |
          |---+-----------------------------+---------------+----------|
          | » | CMOS memory normal          |      J27      |   Open   |
          |   | operation                   |               |          |
          |---+-----------------------------+---------------+----------|
          |   | CMOS memory clear           |      J27      |   Open   |
          |---+-----------------------------+---------------+----------|
          | » | Cache controller select     |      J28      |   Open   |
          |   | 82385                       |               |          |
          |---+-----------------------------+---------------+----------|
          |   | Cache controller select     |      J28      |  Closed  |
          |   | other                       |               |          |
          |---+-----------------------------+---------------+----------|
          | » | NPU synchronous with CPU    |      J30      |   Open   |
          |---+-----------------------------+---------------+----------|
          |   | NPU asynchronous            |      J30      |  Closed  |
          |---+-----------------------------+---------------+----------|
          | » | BIOS enabled                |      J32      |   Open   |
          |---+-----------------------------+---------------+----------|
          |   | BIOS disabled               |      J32      |  Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DRAM CONFIGURATION                      |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    2MB     |   (8) 44256   |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    3MB     |   (8) 44256   | (4) 256K x 9  |     None      |
          |------------+---------------+---------------+---------------|
          |    4MB     |   (8) 44256   | (4) 256K x 9  | (4) 256K x 9  |
          |------------+---------------+---------------+---------------|
          |    6MB     |   (8) 44256   |  (4) 1M x 9   |     None      |
          |------------+---------------+---------------+---------------|
          |    10MB    |   (8) 44256   |  (4) 1M x 9   |  (4) 1M x 9   |
          +------------------------------------------------------------+