OLIVETTI
========

   M400-60 (BA334)

   Processor        80486SX/80487SX/80486DX2                      
   Processor Speed  25/33/50(internal)/66(internal)MHz            
   Chip Set         Unidentified                                  
   Video Chip Set   Unidentified                                  
   Maximum Onboard  52MB                                          
   Memory           
   Maximum Video    Unidentified                                  
   Memory           
   Cache            None                                          
   BIOS             Unidentified                                  
   Dimensions       355mm x 304mm                                 
   I/O Options      Floppy drive interface, IDE interface,        
                    parallel port, PS/2 mouse port, serial port,  
                    feature connector, VGA port, riser slot,      
                    console connector                             
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/M-O/33458-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Label |        Function        | Label |
   |-------------------+-------+------------------------+-------|
   | PS/2 mouse port   |  CN1  | IDE interface          |  CN6  |
   |-------------------+-------+------------------------+-------|
   | Parallel port     |  CN2  | Floppy drive interface |  CN7  |
   |-------------------+-------+------------------------+-------|
   | Serial port       |  CN3  | Console connector      |  CN8  |
   |-------------------+-------+------------------------+-------|
   | VGA port          |  CN4  | Riser slot             |  SL1  |
   |-------------------+-------+------------------------+-------|
   | Feature connector |  CN5  |                        |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | ROM BIOS enabled                    |  J11  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | ROM BIOS disabled                   |  J11  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Floppy drive oscillator enabled     |  J13  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | Floppy drive oscillator disabled    |  J13  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | CMOS memory normal operation        |  J15  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | CMOS memory clear                   |  J15  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Hard drives installed 1             |  J16  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |   | Hard drives installed 2             |  J16  |   Open   |
   |---+-------------------------------------+-------+----------|
   |>> | Serial port enabled                 | SW1/1 |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Serial port disabled                | SW1/1 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/2 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Floppy drive write protect disabled | SW1/3 |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Floppy drive write protect enabled  | SW1/3 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/4 |   N/A    |
   |------------------------------------------------------------|
   | Note: The location of pin 1 on SW1 is unidentified.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  | Bank 0  |   Bank 1    |   Bank 2    |   Bank 3    |
   |--------+---------+-------------+-------------+-------------|
   |  4MB   |   4MB   |    None     |    None     |    None     |
   |--------+---------+-------------+-------------+-------------|
   |  8MB   |   4MB   | (4) 1M x 9  |    None     |    None     |
   |--------+---------+-------------+-------------+-------------|
   |  12MB  |   4MB   | (4) 1M x 9  | (4) 1M x 9  |    None     |
   |--------+---------+-------------+-------------+-------------|
   |  16MB  |   4MB   | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9  |
   |--------+---------+-------------+-------------+-------------|
   |  20MB  |   4MB   | (4) 4M x 9  |    None     |    None     |
   |--------+---------+-------------+-------------+-------------|
   |  24MB  |   4MB   | (4) 1M x 9  | (4) 4M x 9  |    None     |
   |--------+---------+-------------+-------------+-------------|
   |  36MB  |   4MB   | (4) 4M x 9  | (4) 4M x 9  |    None     |
   |--------+---------+-------------+-------------+-------------|
   |  40MB  |   4MB   | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9  |
   |--------+---------+-------------+-------------+-------------|
   |  40MB  |   4MB   | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9  |
   |--------+---------+-------------+-------------+-------------|
   |  52MB  |   4MB   | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9  |
   |------------------------------------------------------------|
   | Note: Bank 0 is factory installed and is not configurable. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: The size and chip type of the video memory is        |
   | unidentified.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |  Setting  |        J18        |  J19   |        J20        |
   |-----------+-------------------+--------+-------------------|
   |  80486SX  |       Open        |  Open  | Pins 2 & 3 closed |
   |-----------+-------------------+--------+-------------------|
   |  80487SX  | Pins 2 & 3 closed | Closed | Pins 1 & 2 closed |
   |-----------+-------------------+--------+-------------------|
   | 80486DX2  | Pins 1 & 2 closed | Closed | Pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |           Speed            |              J21              |
   |----------------------------+-------------------------------|
   |           25MHz            |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           33MHz            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |           50iMHz           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           66iMHz           |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         RING INDICATOR/INPUT SIGNAL CONFIGURATION          |
   |------------------------------------------------------------|
   |         Setting         |       J7        |       J8       |
   |-------------------------+-----------------+----------------|
   |    | FAIL SAFE enabled  |     Closed      |     Closed     |
   |----+--------------------+-----------------+----------------|
   |>>  | FAIL SAFE disabled |      Open       |      Open      |
   +------------------------------------------------------------+