OLIVETTI

M4-60/62/64/65/66

Processor        80486SX/80487SX/80486DX/80486DX2
Processor Speed  25/33/50(internal)/50/66(internal)MHz
Chip Set         Unidentified
Max. Onboard     36MB
DRAM
Cache            None
BIOS             Unidentified
Dimensions       330mm x 218mm
I/O Options      Floppy drive interface, IDE interface, parallel port,
                 PS/2 mouse port, serial ports (2), VGA port
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  VGA port                   CN1      CD ROM interface             CN6

  Serial port 2              CN2      IDE interface                CN7

  Serial port 1              CN3      Floppy drive interface       CN8

  Parallel port              CN4      Riser Card                   SL1

  PS/2 mouse port            CN5

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

  »   CMOS memory normal operation             J12           pins 2 & 3
                                                              closed

      CMOS memory clear                        J12           pins 1 & 2
                                                              closed

  »   IRQ12 enabled for PS/2 mouse             J13           pins 2 & 3
                                                              closed

      IRQ12 disabled                           J13           pins 1 & 2
                                                              closed

  »   Serial port 1 bootstrapping              J21           pins 2 & 3
      enabled                                                 closed

      Serial port 1 bootstrapping              J21           pins 1 & 2
      disabled                                                closed

  »   Serial port 2 bootstrapping              J25           pins 2 & 3
      enabled                                                 closed

      Serial port 2 bootstrapping              J25           pins 1 & 2
      disabled                                                closed

  »   Floppy drive write enabled               J33           pins 2 & 3
                                                              closed

      Floppy drive write disabled              J33           pins 1 & 2
                                                              closed

  »   On board VGA enabled                     J45           pins 2 & 3
                                                              closed

      On board VGA disabled                    J45           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           4MB                     4MB                      NONE

           8MB                     4MB                  (1) 1M x 36

          12MB                     4MB                  (1) 2M x 36

          20MB                     4MB                  (1) 4M x 36

          36MB                     4MB                  (1) 8M x 36

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

           VRAM CONFIGURATION

     Size        Bank 0        Bank 1

    512KB       (1) 411000      NONE

     1MB        (1) 411000   (1) 411000