(TXT) View Source
       
       # OLIVETTI
       
          M480-20 (BA371)
       
          Processor        80486SX                                       
          Processor Speed  33MHz                                         
          Chip Set         Topcat                                        
          Video Chip Set   Unidentified                                  
          Maximum Onboard  36MB (16MB on external memory card)           
          Memory           
          Maximum Video    1MB                                           
          Memory           
          Cache            None                                          
          BIOS             Unidentified                                  
          Dimensions       330mm x 218mm                                 
          I/O Options      Floppy drive interfaces (2), SCSI/IDE         
                           interface, parallel port, PS/2 mouse port,    
                           serial port, riser slot, feature connector    
          NPU Options      4167                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Feature connector |   CN1    | Floppy drive     |   CN6    |
          |                   |          | interface 3      |          |
          |-------------------+----------+------------------+----------|
          | VGA port          |   CN2    | PS/2 mouse port  |   CN7    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN3    | SCSI/IDE         |   CN8    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Serial port       |   CN4    | Riser slot       |   SL1    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN5    |                  |          |
          | interface 1/2     |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Third floppy drive interface      |  P1   | Pins 1 & 2 |
          |   | enabled                           |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Third floppy drive interface      |  P1   | Pins 2 & 3 |
          |   | disabled                          |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Password enabled                  |  P2   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Password disabled                 |  P2   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Parallel port unidirectional      |  P3   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Parallel port bidirectional       |  P3   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Interlaced video enabled          |  P4   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Interlaced video disabled         |  P4   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Mainboard current control maximum |  P5   | Pins 1 & 2 |
          |   | current                           |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Mainboard current control minimum |  P5   | Pins 2 & 3 |
          |   | current                           |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Hard drive wait state select 1    |  P7   | Pins 1 & 2 |
          |   | wait state                        |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Hard drive wait state select 0    |  P7   | Pins 2 & 3 |
          |   | wait states                       |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | On board battery enabled          |  P8   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | On board battery disabled         |  P8   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Parity check enabled              |  P9   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Parity check disabled             |  P9   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size    |   Bank 0    |     Bank 1      |     Bank 2     |
          |-----------+-------------+-----------------+----------------|
          |    4MB    |     4MB     |      None       |      None      |
          |-----------+-------------+-----------------+----------------|
          |    8MB    |     4MB     |   (4) 1M x 9    |      None      |
          |-----------+-------------+-----------------+----------------|
          |   12MB    |     4MB     |   (4) 1M x 9    |   (4) 1M x 9   |
          |-----------+-------------+-----------------+----------------|
          |   20MB    |     4MB     |   (4) 4M x 9    |      None      |
          |-----------+-------------+-----------------+----------------|
          |   36MB    |     4MB     |   (4) 4M x 9    |   (4) 4M x 9   |
          |------------------------------------------------------------|
          | Note: Bank 0 is factory installed and is not configurable. |
          | Bank 2 is located on the memory card.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          | Note: 1MB is factory installed and is not configurable.    |
          +------------------------------------------------------------+