
OLIVETTI

PCS30/PCS40 (4386-VC-HD)

Processor        80386SX/80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed  20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set         VIA
Max. Onboard DRAM128MB
Cache            64/128/256KB
BIOS             AMI/Harward
Dimensions       254mm x 218mm
I/O Options      None
NPU Options      80387DX

[Image]

                           CONNECTIONS

       Function          Label          Function         Label

  Turbo LED               J5      Speaker                  J8

  Turbo switch            J6      Power LED & keylock      J9

  Reset switch            J7

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     CMOS memory normal operation               J1            Open

      CMOS memory clear                          J1           Closed

     Monitor type select                        J2            Open
      monochrome/EGA/VGA

      Monitor type select color                  J2           Closed

     NPU synchronous with CPU                   J40         pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                  J40         pins 2 & 3
                                                              closed

                          DRAM

       Size             Bank 0             Bank 1

       4MB            (4) 1M x 9            None

       8MB            (4) 1M x 9         (4) 1M x 9

       16MB           (4) 4M x 9            None

       20MB           (4) 1M x 9         (4) 4M x 9

       32MB           (4) 4M x 9         (4) 4M x 9

  Note: The orientation of the banks is unidentified.

                                CACHE SIZE

     Size          Bank 0         Bank 1          M10            TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8     (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8     (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8    (1) 32K x 8

  Note: M10 is optional and does not have to be installed.

                               CACHE JUMPER

    Size           JS1            JS2            JS3             JS4

    64KB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    128KB       pins 1 & 2     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

    256KB       pins 2 & 3     pins 2 & 3     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

                              CPU SPEED/TYPE

       Setting              JC1               JC2               JC3

     80386SX-33          pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80386DX-40          pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486SX-20          pins 2 & 3        pins 2 & 3          Open
                          closed            closed

     80486SX-25          pins 2 & 3        pins 2 & 3          Open
                          closed            closed

     80486SX-33          pins 2 & 3        pins 2 & 3          Open
                          closed            closed

     80487SX-20          pins 1 & 2        pins 1 & 2        pins 2 & 3
                          closed            closed            closed

     80487SX-25          pins 1 & 2        pins 1 & 2        pins 2 & 3
                          closed            closed            closed

     80486DX-20          pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486DX-25          pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486DX-33          pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486DX-50          pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486DX2-50         pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

     80486DX2-66         pins 1 & 2        pins 1 & 2        pins 1 & 2
                          closed            closed            closed

                          CPU SPEED/TYPE (CONT)

     Setting           JK1           JK2           JK3            JK4

    80386SX-33      pins 1 & 2    pins 1 & 2    pins 1 & 2     pins 2 & 3
                      closed        closed        closed        closed

    80386DX-40      pins 1 & 2    pins 1 & 2    pins 1 & 2     pins 2 & 3
                      closed        closed        closed        closed

    80486SX-20      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80486SX-25      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80486SX-33      pins 2 & 3    pins 2 & 3    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80487SX-20      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80487SX-25      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80486DX-20      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80486DX-25      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80486DX-33      pins 2 & 3    pins 2 & 3    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

    80486DX-50      pins 2 & 3    pins 2 & 3    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

   80486DX2-50      pins 1 & 2    pins 1 & 2    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

   80486DX2-66      pins 2 & 3    pins 2 & 3    pins 2 & 3     pins 1 & 2
                      closed        closed        closed        closed

                          CPU SPEED/TYPE (CONT)

    Setting          RN10          RN50           RN51           RN53

   80386SX-33         Not        Installed         Not        Installed
                  installed                    installed

   80386DX-40         Not        Installed         Not        Installed
                  installed                    installed

   80486SX-20     Installed         Not        Installed          Not
                                 installed                    installed

   80486SX-25     Installed         Not        Installed          Not
                                 installed                    installed

   80486SX-33     Installed         Not        Installed          Not
                                 installed                    installed

   80487SX-20     Installed         Not        Installed          Not
                                 installed                    installed

   80487SX-25     Installed         Not        Installed          Not
                                 installed                    installed

   80486DX-20     Installed         Not        Installed          Not
                                 installed                    installed

   80486DX-25     Installed         Not        Installed          Not
                                 installed                    installed

   80486DX-33     Installed         Not        Installed          Not
                                 installed                    installed

   80486DX-50     Installed         Not        Installed          Not
                                 installed                    installed

  80486DX2-50     Installed         Not        Installed          Not
                                 installed                    installed

  80486DX2-66     Installed         Not        Installed          Not
                                 installed                    installed

