
OLIVETTI

M4-34 (BA2012)

Processor                 AM386SX
Processor Speed           40MHz
Chip Set                  Unidentified
Maximum Onboard Memory    16MB
Cache                     16KB
BIOS                      Unidentified
Dimensions                254mm x 218mm
I/O Options               Floppy drive interface, IDE interface, parallel
                          port, PS/2 mouse port, serial ports (2), VGA
                          feature connector, VGA port, riser slot, CD-ROM
                          interface, CD-ROM connector
NPU Options               80387SX

[Image]

                               CONNECTIONS

         Function           Label            Function            Label

  PS/2 mouse port            CN1      CD-ROM connector            CN7

  Parallel port              CN2      IDE interface               CN8

  Serial port 1              CN3      Floppy drive interface      CN9

  Serial port 2              CN4      CD-ROM interface            cn10

  VGA port                   CN5      Riser slot                  SL1

  VGA feature connector      CN6

                        USER CONFIGURABLE SETTINGS

               Setting                     Label            Position

  Floppy drive write enabled                J15         Pins 2 & 3 closed

  Floppy drive write disabled               J15         Pins 1 & 2 closed

  Bootstrap from serial port enabled        J16         Pins 2 & 3 closed

  Bootstrap from serial port disabled       J16         Pins 1 & 2 closed

  Setup access enabled                      J17              Closed

  Setup access disabled                     J17               Open

                                   DRAM

       Size             Bank 0             Bank 1             Bank 2

       2MB                2MB               None               None

       4MB                2MB            (2) 1M x 9            None

       6MB                2MB            (2) 1M x 9         (2) 1M x 9

       10MB               2MB            (2) 4M x 9            None

       10MB               2MB            (2) 4M x 9            None

       12MB               2MB            (2) 4M x 9         (2) 1M x 9

       12MB               2MB            (2) 1M x 9         (2) 4M x 9

       16MB               2MB            (2) 4M x 9         (2) 4M x 9

            Note: Bank 0 is factory installed and is not configurable. If
            16MB is installed, the on board memory is disabled.

                 CACHE TYPE

     Size          Bank 0          TAG

     16KB        (1) 64K x 1   (1) 64K x 1

                               VIDEO MEMORY

          Size                    Bank 0                   Bank 1

          512KB                   512KB                     None

           1MB                    512KB                (1) 256K x 16

  Note: Bank 0 is factory installed and is not configurable. The location
  is unidentified.

                      MISCELLANEOUS TECHNICAL NOTE

  The location of pin 1 is unidentified on all jumpers and connectors.

