ACER, INC.
==========

   V12LC-1

   Device Type     Mainboard                                      
   Processor       Pentium                                        
   Processor Speed 75/90/100MHz                                   
   Chip Set        Unidentified                                   
   Video Chip Set  Cirrus Logic                                   
   Maximum Onboard 128MB                                          
   Memory          
   Maximum Video   2MB                                            
   Memory          
   Cache           256KB                                          
   BIOS            Unidentified                                   
   Dimensions      330mm x 218mm                                  
   I/O Options     bus mouse port, Ethernet 10BaseT connector,    
   (backplane)     floppy drive interface, green PC connector,    
                   IDE interfaces (2), parallel port, PS/2 mouse  
                   interface, PS/2 keyboard interface, serial     
                   ports (2), VGA feature connector, VGA port,    
                   riser slot                                     

<gopher://bitreich.org/I/th99/m/A-B/36136-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose            | Location |
   |-----------------+----------+--------------------+----------|
   | RJ-45 ethernet  |   CN1    | Network/multimedia |   CN11   |
   | port            |          | interface          |          |
   |-----------------+----------+--------------------+----------|
   | PS/2 mouse port |   CN3    | CPU fan connector  |   CN12   |
   |-----------------+----------+--------------------+----------|
   | Serial port 1   |   CN4    | Hard disk LED      |   CN13   |
   |                 |          | connector          |          |
   |-----------------+----------+--------------------+----------|
   | Serial port 2   |   CN5    | Hard disk LED      |   CN14   |
   |                 |          | connector          |          |
   |-----------------+----------+--------------------+----------|
   | Parallel port   |   CN6    | LED connector      |   CN15   |
   |-----------------+----------+--------------------+----------|
   | VGA port        |   CN7    | LED connector      |   CN16   |
   |-----------------+----------+--------------------+----------|
   | Floppy drive    |   CN8    | VGA feature        |   CN17   |
   | interface       |          | connector          |          |
   |-----------------+----------+--------------------+----------|
   | IDE interface 2 |   CN9    | Riser slot         |   SL1    |
   |-----------------+----------+--------------------+----------|
   | IDE interface 1 |   CN10   |                    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            | Label |     Position      |
   |--------------------------------+-------+-------------------|
   |>> | BIOS type select Acer      |  JP1  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |   | BIOS type select OEM       |  JP1  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |>> | Password disabled          |  JP2  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | Password enabled           |  JP2  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |>> | BIOS ROM type select flash |  JP3  | Pins 1 & 2 closed |
   |   | ROM                        |       |                   |
   |---+----------------------------+-------+-------------------|
   |   | BIOS ROM type select EPROM |  JP3  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |>> | Onboard SMC665 enabled     |  JP6  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | Onboard SMC665 disabled    |  JP6  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |>> | Onboard GD543x enabled     |  JP7  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | Onboard GD543x disabled    |  JP7  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |>> | Enhanced IDE enabled       |  JP9  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | Enhanced IDE disabled      |  JP9  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |>> | M1451 delay disabled       | JP11  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |   | M1451 delay enabled        | JP11  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |>> | Reset function enabled     | JP15  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | SMM function enabled       | JP15  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |>> | Factory configured - do    | JP16  |     Reserved      |
   |   | not alter                  |       |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |      Size       |      Bank 0       |        Bank 1        |
   |-----------------+-------------------+----------------------|
   |       8MB       |    (2) 1M x 36    |         None         |
   |-----------------+-------------------+----------------------|
   |      16MB       |    (2) 2M x 36    |         None         |
   |-----------------+-------------------+----------------------|
   |      16MB       |    (2) 1M x 36    |     (2) 1M x 36      |
   |-----------------+-------------------+----------------------|
   |      24MB       |    (2) 2M x 36    |     (2) 1M x 36      |
   |-----------------+-------------------+----------------------|
   |      32MB       |    (2) 4M x 36    |         None         |
   |-----------------+-------------------+----------------------|
   |      32MB       |    (2) 2M x 36    |     (2) 2M x 36      |
   |-----------------+-------------------+----------------------|
   |      40MB       |    (2) 4M x 36    |     (2) 1M x 36      |
   |-----------------+-------------------+----------------------|
   |      48MB       |    (2) 4M x 36    |     (2) 2M x 36      |
   |-----------------+-------------------+----------------------|
   |      64MB       |    (2) 8M x 36    |         None         |
   |-----------------+-------------------+----------------------|
   |      64MB       |    (2) 4M x 36    |     (2) 4M x 36      |
   |-----------------+-------------------+----------------------|
   |      72MB       |    (2) 8M x 36    |     (2) 1M x 36      |
   |-----------------+-------------------+----------------------|
   |      80MB       |    (2) 8M x 36    |     (2) 2M x 36      |
   |-----------------+-------------------+----------------------|
   |      96MB       |    (2) 8M x 36    |     (2) 4M x 36      |
   |-----------------+-------------------+----------------------|
   |      128MB      |    (2) 8M x 36    |     (2) 8M x 36      |
   +------------------------------------------------------------+

   +------------------------------------------------+
   |              CACHE CONFIGURATION               |
   |------------------------------------------------|
   | Note: The cache configuration is unidentified. |
   +------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |   (2) 256K x 16    |        None        |
   |------------------+--------------------+--------------------|
   |       2MB        |   (2) 256K x 16    |   (2) 256K x 16    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT DMA SELECTION                 |
   |------------------------------------------------------------|
   |     Setting      |        JP4         |        JP5         |
   |------------------+--------------------+--------------------|
   |      >> DMA1      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       DMA3       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |           Speed            |              JP8              |
   |----------------------------+-------------------------------|
   |           75MHz            |       Pins 1 & 4 closed       |
   |----------------------------+-------------------------------|
   |           90MHz            |       Pins 2 & 5 closed       |
   |----------------------------+-------------------------------|
   |           100MHz           |       Pins 3 & 6 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |            Type            |             JP12              |
   |----------------------------+-------------------------------|
   |          >> Intel           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          Cyrix M1          |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU MULTIPLIER SELECTION                  |
   |------------------------------------------------------------|
   |         Multiplier         |             JP14              |
   |----------------------------+-------------------------------|
   |           >> 1.5x           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |             2x             |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |          Voltage           |             JP13              |
   |----------------------------+-------------------------------|
   |         >> 3.3825v          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          3.5250v           |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+