OLIVETTI
========

   M386/25 (BA247, BA255, BA263)

   Processor        80386DX                                       
   Processor Speed  25MHz                                         
   Chip Set         Unidentified                                  
   Maximum Onboard  18MB (8MB on external memory card)            
   Memory           
   Cache            32KB                                          
   BIOS             Unidentified                                  
   Dimensions       355mm x 305mm                                 
   I/O Options      External memory card, floppy drive interface, 
                    IDE interface, parallel port, PS/2 mouse      
                    port, serial port, VGA port                   
   NPU Options      80387DX/3167                                  

<gopher://bitreich.org/I/th99/m/M-O/33314-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function     | Label  |        Function        | Label |
   |------------------+--------+------------------------+-------|
   | PS/2 mouse port  |  CN1   | Floppy drive interface |  CN5  |
   |------------------+--------+------------------------+-------|
   | Parallel port    |  CN2   | IDE interface          |  CN6  |
   |------------------+--------+------------------------+-------|
   | Serial port      |  CN3   | External memory card   |  SL1  |
   |------------------+--------+------------------------+-------|
   | VGA port         |  CN4   |                        |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   |  J14  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | CMOS memory normal operation        |  J27  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | CMOS memory clear                   |  J27  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | Cache controller normal operation   |  J28  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | Cache controller using different    |  J28  |  Closed  |
   |   | model that 82385                    |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | NPU running at CPU speed            |  J30  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | NPU running at oscillator speed     |  J30  |  Closed  |
   |---+-------------------------------------+-------+----------|
   |>> | BIOS EPROM enabled                  |  J32  |   Open   |
   |---+-------------------------------------+-------+----------|
   |   | BIOS EPROM disabled                 |  J32  |  Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                            DRAM                            |
   |------------------------------------------------------------|
   |  Size  |  Bank 0  |  Bank 1  |    Bank 2    |    Bank 3    |
   |--------+----------+----------+--------------+--------------|
   |  2MB   |   1MB    |   1MB    |     None     |     None     |
   |--------+----------+----------+--------------+--------------|
   |  3MB   |   1MB    |   1MB    | (4) 256K x 9 |     None     |
   |--------+----------+----------+--------------+--------------|
   |  4MB   |   1MB    |   1MB    | (4) 256K x 9 | (4) 256K x 9 |
   |--------+----------+----------+--------------+--------------|
   |  6MB   |   1MB    |   1MB    |  (4) 1M x 9  |     None     |
   |--------+----------+----------+--------------+--------------|
   |  7MB   |   1MB    |   1MB    | (4) 256K x 9 |  (4) 1M x 9  |
   |--------+----------+----------+--------------+--------------|
   |  7MB   |   1MB    |   1MB    |  (4) 1M x 9  | (4) 256K x 9 |
   |--------+----------+----------+--------------+--------------|
   |  10MB  |   1MB    |   1MB    |  (4) 1M x 9  |  (4) 1M x 9  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CACHE SIZE                         |
   |------------------------------------------------------------|
   | Note: 32KB cache is factory installed and is not           |
   | configurable.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        SERIAL PORT                         |
   |------------------------------------------------------------|
   |             Setting             |     J11     |    J12     |
   |---------------------------------+-------------+------------|
   |        Normal operation         |    Open     |    Open    |
   |---------------------------------+-------------+------------|
   | Indicated RS232 threshold level |   Closed    |   Closed   |
   +------------------------------------------------------------+