OLIVETTI

M480-20 (BA371)

Processor                  80486SX
Processor Speed            33MHz
Chip Set                   Topcat
Video Chip Set             Unidentified
Maximum Onboard Memory     36MB (16MB on external memory card)
Maximum Video Memory       1MB
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

[Image]

                                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 interface         CN8

  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.