ADVANTECH CO., LTD.
===================

   PCM-4825L

   Device Type      Single board computer                         
   Processor        AM DX5                                        
   Processor Speed  133MHz                                        
   Chip Set         VIA VT82C496G                                 
   Video Chip Set   Chips and Technology                          
   Maximum Onboard  32MB (EDO supported)                          
   Memory           
   Maximum Video    1MB                                           
   Memory           
   Cache            None                                          
   BIOS             Award                                         
   Dimensions       145mm x 102mm                                 
   I/O Options      Floppy drive interface, IDE interface,        
                    parallel port, PS/2 mouse port, serial ports  
                    (2), VGA port, IR connector, PC/104           
                    connectors (2)                                

<gopher://bitreich.org/I/th99/m/A-B/35937-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | Power connector    |   CN1    | Serial port 2   |   CN9    |
   |--------------------+----------+-----------------+----------|
   | Floppy drive       |   CN2    | Power connector |   CN12   |
   | interface          |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | PC/104 connector   |   CN3    | Serial port 1   |   CN13   |
   |--------------------+----------+-----------------+----------|
   | Parallel port      |   CN4    | PS/2 mouse port |   CN14   |
   |--------------------+----------+-----------------+----------|
   | PC/104 connector   |   CN5    | VGA port        |   CN15   |
   |--------------------+----------+-----------------+----------|
   | Flat panel         |   CN6    | Reset switch    |    J6    |
   | connector          |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | IDE interface      |   CN7    | LED             |   LED    |
   |--------------------+----------+-----------------+----------|
   | IR connector       |   CN8    |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |>> | LCD voltage select 5v        |  J3   |   Pins 2 & 3    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | LCD voltage select 3.3v      |  J3   |   Pins 1 & 2    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |>> | CMOS memory normal operation |  J4   |   Pins 2 & 3    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | CMOS memory clear            |  J4   |   Pins 1 & 2    |
   |   |                              |       |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |            1MB             |         (1) 256K x 36         |
   |----------------------------+-------------------------------|
   |            2MB             |         (1) 512K x 36         |
   |----------------------------+-------------------------------|
   |            4MB             |          (1) 1M x 36          |
   |----------------------------+-------------------------------|
   |            8MB             |          (1) 2M x 36          |
   |----------------------------+-------------------------------|
   |            16MB            |          (1) 4M x 36          |
   |----------------------------+-------------------------------|
   |            32MB            |          (1) 8M x 36          |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: The location of the video memory is unidentified.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  SERIAL PORT 2 SELECTION                   |
   |------------------------------------------------------------|
   |          Setting           |              J7               |
   |----------------------------+-------------------------------|
   |>> |         RS-232         |       Pins 1 & 2 closed       |
   |---+------------------------+-------------------------------|
   |   |         RS-422         |       Pins 3 & 4 closed       |
   |---+------------------------+-------------------------------|
   |   |         RS-485         |       Pins 5 & 6 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DISK ADDRESS SELECTION                   |
   |------------------------------------------------------------|
   |   Address    | J2/pins 1 & 2 | J2/pins 3 &  | J2/pins 5 &  |
   |              |               |      4       |      6       |
   |--------------+---------------+--------------+--------------|
   |   |   C800   |    Closed     |    Closed    |    Closed    |
   |---+----------+---------------+--------------+--------------|
   |   |   CC00   |    Closed     |    Closed    |     Open     |
   |---+----------+---------------+--------------+--------------|
   |>> |   D000   |    Closed     |     Open     |    Closed    |
   |---+----------+---------------+--------------+--------------|
   |   |   D400   |    Closed     |     Open     |     Open     |
   |---+----------+---------------+--------------+--------------|
   |   |   D800   |     Open      |    Closed    |    Closed    |
   |---+----------+---------------+--------------+--------------|
   |   |   DC00   |     Open      |    Closed    |     Open     |
   |---+----------+---------------+--------------+--------------|
   |   |   E000   |     Open      |     Open     |    Closed    |
   |---+----------+---------------+--------------+--------------|
   |   | Disabled |     Open      |     Open     |     Open     |
   +------------------------------------------------------------+