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

   TEMPO 486/25 SX EV-18186

   Processor    CX486SLC                                          
   Processor    25MHz                                             
   Speed        
   Chip Set     C & T                                             
   Max. onboard 24MB                                              
   DRAM         
   SRAM Cache   16/64KB                                           
   BIOS         AMI                                               
   Dimensions   330mm x 218mm                                     
   I/O Options  Floppy drive interface, IDE interface, parallel   
                port, serial ports (2)                            
   NPU Options  4167                                              

<gopher://bitreich.org/I/th99/m/E-H/31566-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | Speaker          |   CN5    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN2    | LED connector    |   CN6    |
   | (COM1)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN3    | IDE interface    |   CN7    |
   | (COM2)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |   CN4    | Floppy drive     |   CN8    |
   |                   |          | interface        |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper |     Position      |
   |-------------------------------+--------+-------------------|
   |>> | I/O output select         |   W5   |      Closed       |
   |   | unidirectional (printer)  |        |                   |
   |---+---------------------------+--------+-------------------|
   |   | I/O output select         |   W5   |       Open        |
   |   | bidirectional             |        |                   |
   |---+---------------------------+--------+-------------------|
   |>> | IDE interface enabled     |   W6   |      Closed       |
   |---+---------------------------+--------+-------------------|
   |   | IDE interface disabled    |   W6   |       Open        |
   |---+---------------------------+--------+-------------------|
   |>> | Normal setup              |   W7   |      Closed       |
   |---+---------------------------+--------+-------------------|
   |   | Bypass setup              |   W7   |       Open        |
   |---+---------------------------+--------+-------------------|
   |>> | Monitor select color      |   W8   |       Open        |
   |---+---------------------------+--------+-------------------|
   |   | Monitor select monochrome |   W8   |      Closed       |
   |---+---------------------------+--------+-------------------|
   |>> | I/O bus speed select      |   W9   | pins 1 & 2 closed |
   |   | ATCLK/4                   |        |                   |
   |---+---------------------------+--------+-------------------|
   |   | I/O bus speed select      |   W9   | pins 2 & 3 closed |
   |   | ATCLK/2                   |        |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |   512KB    | (2) 256K x 9  |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    1MB     | (2) 256K x 9  | (2) 256K x 9  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    2MB     |  (2) 1M x 9   |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    4MB     |  (2) 1M x 9   |  (2) 1M x 9   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    6MB     |  (2) 1M x 9   |  (2) 1M x 9   |  (2) 1M x 9   |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (2) 4M x 9   |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (2) 4M x 9   |  (2) 4M x 9   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (2) 4M x 9   |  (2) 4M x 9   |  (2) 4M x 9   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |             CACHE             |
   |----------------------------+-------------------------------|
   |            16KB            |          (4) 8K x 8           |
   |----------------------------+-------------------------------|
   |            64KB            |          (4) 32K x 8          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size |   W1   |   W2   |       W3        |       W4        |
   |------+--------+--------+-----------------+-----------------|
   | 16KB |  Open  |  Open  |   pins 2 & 3    |   pins 2 & 3    |
   |      |        |        |     closed      |     closed      |
   |------+--------+--------+-----------------+-----------------|
   | 64KB | Closed | Closed |   pins 1 & 2    |   pins 1 & 2    |
   |      |        |        |     closed      |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT    | IRQ | SW1/5 & | SW1/7 & | SW2/9 & | SW2/11 & 12 |
   |          |     |    6    |    8    |   10    |             |
   |----------+-----+---------+---------+---------+-------------|
   |    1     |  7  |  Open   | Closed  | Closed  |    Open     |
   |----------+-----+---------+---------+---------+-------------|
   |    2     |  5  | Closed  |  Open   |  Open   |   Closed    |
   |----------+-----+---------+---------+---------+-------------|
   | Disabled | N/A |  Open   |  Open   |  Open   |    Open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Port 1    |   Port 2   | SW1/pins 1 & 2 | SW1/pins 3 & 4 |
   |-------------+------------+----------------+----------------|
   |    COM1     |    COM2    |     Closed     |     Closed     |
   |-------------+------------+----------------+----------------|
   |    COM1     |  Disabled  |      Open      |     Closed     |
   |-------------+------------+----------------+----------------|
   |  Disabled   |    COM2    |     Closed     |      Open      |
   |-------------+------------+----------------+----------------|
   |  Disabled   |  Disabled  |      Open      |      Open      |
   +------------------------------------------------------------+