EVEREX SYSTEMS, INC.
====================

   AGI 286/10 (EV-1812 REV D)

   Processor         80286                                        
   Processor Speed   10MHz                                        
   Chip Set          Suntac                                       
   Max. onboard DRAM 1MB                                          
   Cache             None                                         
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       Parallel port, serial ports (2)              
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/E-H/31582-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | Speaker          |    J2    |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN2    | Reset switch     |    J3    |
   | (COM1)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN3    | External battery |    J5    |
   | (COM2)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Display           |    J1    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |        Function         | Jumper/Switch |     Position     |
   |-------------------------+---------------+------------------|
   |>> | Factory configured  |      J4       | Pins 1 & 2 open, |
   |   | - do not alter      |               |   3 & 4 closed   |
   |---+---------------------+---------------+------------------|
   |>> | Factory configured  |      J13      | Pins 1 & 2 open  |
   |   | - do not alter      |               |                  |
   |---+---------------------+---------------+------------------|
   |>> | Factory configured  |    W1 - W8    |    Pins 2 & 3    |
   |   | - do not alter      |               |      closed      |
   |---+---------------------+---------------+------------------|
   |>> | Factory configured  |      SW1      |       N/A        |
   |   | - do not alter      |               |                  |
   |---+---------------------+---------------+------------------|
   |>> | Monitor type select |      SW2      |        On        |
   |   | color               |               |                  |
   |---+---------------------+---------------+------------------|
   |   | Monitor type select |      SW2      |       Off        |
   |   | monochrome          |               |                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |   Size    | Bank 0 |  P0   | Bank  |  P1   | SW1/1 | SW1/2 |
   |           |        |       |   1   |       |       |       |
   |-----------+--------+-------+-------+-------+-------+-------|
   |   | 512KB |  (4)   |  (2)  | NONE  | NONE  |  On   |  Off  |
   |   |       | 44256  | 41256 |       |       |       |       |
   |---+-------+--------+-------+-------+-------+-------+-------|
   |   |  1MB  |  (4)   |  (2)  |  (4)  |  (2)  |  Off  |  Off  |
   |   |       | 44256  | 41256 | 44256 | 41256 |       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |Port 1 (J9)| Address |SW3/switch 1|SW3/switch 2|SW3/switch 3|
   |-----------+---------+------------+------------+------------|
   |>> |  COM1  |3F8h-3FFh|     On     |     On     |    Off     |
   |--+--------+---------+------------+------------+------------|
   |  |  COM2  |2F8h-2FFh|     On     |    Off     |     On     |
   |--+--------+---------+------------+------------+------------|
   |  |  COM3  |3E8h-3EFh|    Off     |     On     |     On     |
   |--+--------+---------+------------+------------+------------|
   |  |  COM4  |2E8h-2EFh|    Off     |     On     |    Off     |
   |--+--------+---------+------------+------------+------------|
   |  |Disabled|   N/A   |     On     |     On     |     On     |
   |------------------------------------------------------------|
   |Note: Port 1 and port 2 cannot use the same COM port        |
   |settings.                                                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  SERIAL PORT 1 INTERRUPTS                  |
   |------------------------------------------------------------|
   | Port 1 (J9)  | J7/1 & 2  | J7/3 & 4  | J7/5 & 6 | J7/7 & 8 |
   |--------------+-----------+-----------+----------+----------|
   |  >>  |  IRQ3  |   Open    |  Closed   |   Open   |   Open   |
   |-----+--------+-----------+-----------+----------+----------|
   |     |  IRQ4  |   Open    |   Open    |  Closed  |   Open   |
   |-----+--------+-----------+-----------+----------+----------|
   |     |  IRQ5  |   Open    |   Open    |   Open   |  Closed  |
   |-----+--------+-----------+-----------+----------+----------|
   |     |  IRQ9  |  Closed   |   Open    |   Open   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Port 2 (J8)   |   Address   |  SW3/4  |  SW3/5  |  SW3/6  |
   |----------------+-------------+---------+---------+---------|
   |    |   COM1    |  3F8h-3FFh  |   On    |   On    |   Off   |
   |----+-----------+-------------+---------+---------+---------|
   |>>  |   COM2    |  2F8h-2FFh  |   On    |   Off   |   On    |
   |----+-----------+-------------+---------+---------+---------|
   |    |   COM3    |  3E8h-3EFh  |   Off   |   On    |   On    |
   |----+-----------+-------------+---------+---------+---------|
   |    |   COM4    |  2E8h-2EFh  |   Off   |   On    |   Off   |
   |----+-----------+-------------+---------+---------+---------|
   |    | Disabled  |     N/A     |   On    |   On    |   On    |
   |------------------------------------------------------------|
   | Note: Port 1 and port 2 cannot use the same COM port       |
   | settings.                                                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  SERIAL PORT 2 INTERRUPTS                  |
   |------------------------------------------------------------|
   |  Port 2   | J7/9 & 10 | J7/11 & 12 |  J7/13 &  |  J7/15 &  |
   |   (J8)    |           |            |    14     |    16     |
   |-----------+-----------+------------+-----------+-----------|
   |>> | IRQ3  |   Open    |   Closed   |   Open    |   Open    |
   |---+-------+-----------+------------+-----------+-----------|
   |   | IRQ4  |   Open    |    Open    |  Closed   |   Open    |
   |---+-------+-----------+------------+-----------+-----------|
   |   | IRQ5  |   Open    |    Open    |   Open    |  Closed   |
   |---+-------+-----------+------------+-----------+-----------|
   |   | IRQ9  |  Closed   |    Open    |   Open    |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       LPT       |    Address    |    SW3/7    |   SW3/8    |
   |-----------------+---------------+-------------+------------|
   |>> |    LPT1     |  3BCh - 3BEh  |     On      |    Off     |
   |---+-------------+---------------+-------------+------------|
   |   |    LPT2     |  378h - 37Fh  |     Off     |     On     |
   |---+-------------+---------------+-------------+------------|
   |   |    LPT3     |  278h - 27Fh  |     Off     |    Off     |
   |---+-------------+---------------+-------------+------------|
   |   |  Disabled   |      N/A      |     On      |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  PARALLEL PORT INTERRUPTS                  |
   |------------------------------------------------------------|
   |     IRQ    | J6/pins 1 & 2 | J6/pins 3 & 4 | J6/pins 5 & 6 |
   |------------+---------------+---------------+---------------|
   |>> |  IRQ7  |     Open      |     Open      |    Closed     |
   |---+--------+---------------+---------------+---------------|
   |   |  IRQ5  |     Open      |    Closed     |     Open      |
   |---+--------+---------------+---------------+---------------|
   |   |  IRQ9  |    Closed     |     Open      |     Open      |
   +------------------------------------------------------------+