OLIVETTI

M24/M24SP

Processor         8086
Processor Speed   8/10MHz
Chip Set          Unidentified
Max. Onboard DRAM 640KB
Cache             None
BIOS              Unidentified
Dimensions        355mm x 304mm
I/O Options       Floppy drive interface, parallel port, serial ports (2)
NPU Options       8087

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Floppy drive interface       CN1      Parallel port              J4

  Serial port 1                J3       Serial port 2              J5

                        USER CONFIGURABLE SETTINGS

               Function                     Switch           Position

  »   256KB memory chip not used           DIPSW0/5             On

      256KB memory chip used               DIPSW0/5             Off

  »   NPU disabled                         DIPSW0/6             On

      NPU enabled                          DIPSW0/6             Off

  »   UART type select 8250                DIPSW0/7             On

      UART type select 8530                DIPSW0/7             Off

  »   BIOS type select 2732 (M24           DIPSW0/8             On
      only)

      BIOS type select 2764 (M24           DIPSW0/8             Off
      only)

  »   No memory installed in Bank 0        DIPSW0/8             On
      (M24SP only)

      Memory installed in Bank 0           DIPSW0/8             Off
      (M24SP only)

  »   Floppy drive tracks per inch         DIPSW1/1             On
      select 48 (320KB drive)

      Floppy drive tracks per inch         DIPSW1/1             Off
      select 96 (640KB drive)

  »   Floppy drive start up speed          DIPSW1/2             On
      select slow

      Floppy drive start up speed          DIPSW1/2             Off
      select fast

  »   HDU ROM code select on               DIPSW1/3             On
      mainboard

      HDU ROM code select on               DIPSW1/3             Off
      controller

  »   Display controller select            DIPSW1/4             On
      standard

      Display controller select non        DIPSW1/4             Off
      standard

                       DRAM CONFIGURATION

         Size                Bank 0                Bank 1

        128KB              (18) 44256               NONE

        256KB              (18) 44256            (18) 44256

        512KB              (18) 44100               NONE

  640KB (M24SP only)       (18) 44100            (18) 44256

        640KB              (18) 44256            (18) 44100

                         DRAM SWITCH CONFIGURATION

        Size           DIPSW0/1     DIPSW0/2      DIPSW0/3     DIPSW0/4

        128KB            Off           On            On           On

        256KB             On           Off           On           On

        384KB            Off           Off           On           On

   512KB (mainboard       On           On            On           Off
        only)

   512KB (mainboard       On           On           Off           On
    and expansion
        card)

        640KB            Off           On           Off           On

   640KB (mainboard      Off           On            On           Off
        only)

                  VIDEO CONFIGURATION

       Type             DIPSW1/5           DIPSW1/6

  IBM B/W display         Off                Off

      40 x 25             Off                 On

      80 x 25              On                Off

                FLOPPY DRIVE CONFIGURATION

  Drives installed       DIPSW1/7            DIPSW1/8

         1                  On                  On

         2                  Off                 On