PC & C RESEARCH CORPORATION
===========================

   DYNOVA 386SX-5

   Processor    80386SX                                           
   Processor    16/20MHz                                          
   Speed        
   Chip Set     Intel/VLSI                                        
   Max. Onboard 4MB                                               
   DRAM         
   Cache        None                                              
   BIOS         AMI/Award                                         
   Dimensions   335mm x 218mm                                     
   I/O Options  Parallel port, serial ports (2), floppy drive     
                interfaces (2), IDE interface                     
   NPU Options  80387SX                                           

<gopher://bitreich.org/I/th99/m/P-R/30101-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | External battery     |    J2    | Speaker       |   J29    |
   |----------------------+----------+---------------+----------|
   | Parallel port        |    J5    | Turbo switch  |   J34    |
   |----------------------+----------+---------------+----------|
   | Serial port (COM1/3) |    J6    | Power LED &   |   J35    |
   |                      |          | keylock       |          |
   |----------------------+----------+---------------+----------|
   | Serial port (COM2/4) |    J7    | Reset switch  |   J36    |
   |----------------------+----------+---------------+----------|
   | Floppy interface     |   J24    | Turbo LED     |   J37    |
   | drives 1 & 2         |          |               |          |
   |----------------------+----------+---------------+----------|
   | Floppy interface     |   J25    | IDE LED       |   J38    |
   | drives 3 & 4         |          |               |          |
   |----------------------+----------+---------------+----------|
   | IDE interface        |   J26    | Front panel   |   J39    |
   |                      |          | assembly      |          |
   |------------------------------------------------------------|
   | Note:The front panel assembly (J39) incorporates all the   |
   | functions of J34, J35, J36, J37, and J38.                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Factory configured - do   |      J27      |    Open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J28      |    Open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | CPU speed select          |      J33      | pins 1 & 2 |
   |   | switchable from turbo     |               |   closed   |
   |   | switch                    |               |            |
   |---+---------------------------+---------------+------------|
   |   | CPU speed select          |      J33      | pins 2 & 3 |
   |   | switchable from keyboard  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Parallel port (J12)       |     SW1/5     |     On     |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |   | Parallel port (J12)       |     SW1/5     |    Off     |
   |   | disabled                  |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Parallel port (J12)       |     SW1/6     |    Off     |
   |   | address select 378h       |               |            |
   |---+---------------------------+---------------+------------|
   |   | Parallel port (J12)       |     SW1/6     |     On     |
   |   | address select 27Fh       |               |            |
   |---+---------------------------+---------------+------------|
   |>> | IDE interface enabled     |     SW1/9     |     On     |
   |---+---------------------------+---------------+------------|
   |   | IDE interface disabled    |     SW1/9     |    Off     |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select       |    SW1/10     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select color |    SW1/10     |     On     |
   |---+---------------------------+---------------+------------|
   |>> | Floppy drive interfaces   |    SW1/11     |     On     |
   |   | (J24 & J25) enabled       |               |            |
   |---+---------------------------+---------------+------------|
   |   | Floppy drive interfaces   |    SW1/11     |    Off     |
   |   | (J24 & J25) disabled      |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |    SW1/12     |    N/A     |
   |   | not alter                 |               |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   | 512KB  | (2) 256K x |    NONE    |    NONE    |    NONE    |
   |        |     9      |            |            |            |
   |--------+------------+------------+------------+------------|
   |  1MB   | (2) 256K x | (2) 256K x |    NONE    |    NONE    |
   |        |     9      |     9      |            |            |
   |--------+------------+------------+------------+------------|
   | 1.5MB  | (2) 256K x | (2) 256K x | (2) 256K x |    NONE    |
   |        |     9      |     9      |     9      |            |
   |--------+------------+------------+------------+------------|
   |  2MB   | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
   |        |     9      |     9      |     9      |     9      |
   |--------+------------+------------+------------+------------|
   |  2MB   | (2) 1M x 9 |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  3MB   | (2) 256K x | (2) 256K x | (2) 1M x 9 |    NONE    |
   |        |     9      |     9      |            |            |
   |--------+------------+------------+------------+------------|
   |  4MB   | (2) 1M x 9 | (2) 1M x 9 |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 4.5MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x |    NONE    |
   |        |            |            |     9      |            |
   |--------+------------+------------+------------+------------|
   |  5MB   | (2) 256K x | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
   |        |     9      |     9      |            |            |
   |--------+------------+------------+------------+------------|
   |  6MB   | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  8MB   | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
   |--------+------------+------------+------------+------------|
   |  8MB   | (2) 4M x 9 |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 8.5MB  | (2) 256K x | (2) 4M x 9 |    NONE    |    NONE    |
   |        |     9      |            |            |            |
   |--------+------------+------------+------------+------------|
   |  9MB   | (2) 256K x | (2) 256K x | (2) 4M x 9 |    NONE    |
   |        |     9      |     9      |            |            |
   |--------+------------+------------+------------+------------|
   |  10MB  | (2) 1M x 9 | (2) 4M x 9 |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  12MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  16MB  | (2) 4M x 9 | (2) 4M x 9 |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 16.5MB | (2) 4M x 9 | (2) 4M x 9 | (2) 256K x |    NONE    |
   |        |            |            |     9      |            |
   |--------+------------+------------+------------+------------|
   |  17MB  | (2) 256K x | (2) 256K x | (2) 4M x 9 | (2) 4M x 9 |
   |        |     9      |     9      |            |            |
   |--------+------------+------------+------------+------------|
   |  18MB  | (2) 4M x 9 | (2) 4M x 9 | (2) 1M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  20MB  | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 | (2) 4M x 9 |
   |--------+------------+------------+------------+------------|
   |  24MB  | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  32MB  | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |     Speed     |     J30      |     J31      |     J32      |
   |---------------+--------------+--------------+--------------|
   |     16MHz     |     Open     |     Open     |    Closed    |
   |---------------+--------------+--------------+--------------|
   |     20MHz     |     Open     |    Closed    |     Open     |
   |---------------+--------------+--------------+--------------|
   |     25MHz     |    Closed    |     Open     |     Open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT IRQ CONFIGURATION               |
   |------------------------------------------------------------|
   |        IRQ        |       SW1/7        |       SW1/8       |
   |-------------------+--------------------+-------------------|
   |       IRQ7        |         On         |        Off        |
   |-------------------+--------------------+-------------------|
   |       IRQ5        |        Off         |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |        IRQ         |       SW1/1       |       SW1/2       |
   |--------------------+-------------------+-------------------|
   | COM1/IRQ4/3F8-3FFh |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   | COM3/IRQ4/3E8-3EFh |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |      Disabled      |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |        IRQ         |       SW1/3       |       SW1/4       |
   |--------------------+-------------------+-------------------|
   |   COM2/IRQ3/2FFh   |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |   COM4/IRQ3/2EFh   |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |      Disabled      |        Off        |        On         |
   +------------------------------------------------------------+