
OLIVETTI

EXM 25-871 MEMORY EXPANSION BOARD

Card Type              Memory card
Maximum Onboard Memory 4MB
Data Bus               Unidentified

                                                                   [Image]

                           DRAM CONFIGURATION

  Note: The size and orientation of the DRAM modules is unidentified.

                                DRAM SWITCH CONFIGURATION

   Size     L07LL/1  L07LL/2   L07LL/3   L07LL/4   L07LL/5   L07LL/6   L07LL/7   L07LL/8

  2048KB     Off       Off       Off       Off       Off      Off       Off       Off

  6144KB     Off       Off       Off       Off       Off      Off       Off       Off

  10240KB    Off       Off       Off       Off       Off      Off       Off       Off

  18432KB    Off       Off       Off       Off       Off      Off       Off        On

  22528KB    Off       Off       Off       Off       Off      Off       Off        On

  34816KB    Off       Off       Off       Off       Off      Off        On       Off

                                DRAM SWITCH CONFIGURATION

   Size     L06LL/1  L06LL/2   L06LL/3   L06LL/4   L06LL/5   L06LL/6   L06LL/7   L06LL/8

  4096KB     Off       Off       On        On        Off      Off       Off       Off

  8192KB     Off       On        On        On        Off       On       Off       Off

  12288KB     On       Off       On        On        On       Off       Off       Off

  20840KB    Off       Off       On        On        Off      Off       Off       Off

  24576KB    Off       On        On        On        Off       On       Off       Off

  36884KB    Off       Off       On        On        Off      Off       Off       Off

