AMERICAN MEGATRENDS, INC.
=========================

   486 EISA ENTERPRISE

   Processor        80486DX                                       
   Processor Speed  25/33MHz                                      
   Chip Set         AMI                                           
   Max. Onboard     32MB                                          
   DRAM             
   Cache            64/256KB (on external cache module)           
   BIOS             AMI                                           
   Dimensions       355mm x 305mm                                 
   I/O Options      32-bit external memory card slot, cache       
                    module connectors, floppy drive interface,    
                    PS/2 mouse port                               
   NPU Options      4167                                          

<gopher://bitreich.org/I/th99/m/A-B/30915-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |    J2    | Reset switch     |   J15    |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |    J3    | Turbo switch     |   J16    |
   |-------------------+----------+------------------+----------|
   | Floppy interface  |    J5    | Turbo LED        |   J17    |
   |-------------------+----------+------------------+----------|
   | Cache module      |    J6    | 32-bit external  |   J19    |
   | connectors        |          | memory card      |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |   J11    | Diagnostic LED   |   J20    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   J12    |                  |          |
   | keylock           |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            | Jumper/Switch | Position  |
   |--------------------------------+---------------+-----------|
   |>> | Factory configured - do    |      J1       |   Open    |
   |   | not alter                  |               |           |
   |---+----------------------------+---------------+-----------|
   |>> | Factory configured - do    |      J4       |    N/A    |
   |   | not alter                  |               |           |
   |---+----------------------------+---------------+-----------|
   |>> | Floppy drive type select   |      J8       | pins 1 &  |
   |   | most drives (normal)       |               | 2 closed  |
   |---+----------------------------+---------------+-----------|
   |   | Floppy drive type select   |      J8       | pins 2 &  |
   |   | PS/2 compatible(reversed   |               | 3 closed  |
   |   | DENSEL)                    |               |           |
   |---+----------------------------+---------------+-----------|
   |>> | Factory configured - do    |      J21      |    N/A    |
   |   | not alter                  |               |           |
   |---+----------------------------+---------------+-----------|
   |>> | Factory configured - do    |     SW1/1     |    Off    |
   |   | not alter                  |               |           |
   |---+----------------------------+---------------+-----------|
   |>> | Monitor type select        |     SW1/2     |    Off    |
   |   | monochrome                 |               |           |
   |---+----------------------------+---------------+-----------|
   |   | Monitor type select color  |     SW1/2     |    On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 1       |       Bank 2       |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |            Size             |              J7              |
   |-----------------------------+------------------------------|
   |             4MB             |             Open             |
   |-----------------------------+------------------------------|
   |             8MB             |             Open             |
   |-----------------------------+------------------------------|
   |            16MB             |            Closed            |
   |-----------------------------+------------------------------|
   |            32MB             |            Closed            |
   +------------------------------------------------------------+