INTERLOGIC INDUSTRIES
=====================

   ESC486 SINGLE BOARD COMPUTER

   Processor         80486SX/80486DX/80486DX2/Pentium Overdrive   
   Processor Speed   16/25/33/50(internal)/50/66(internal)MHz     
   Chip Set          IMS                                          
   Max. Onboard DRAM 128MB                                        
   Cache             32/64/128/256/512/1024KB                     
   BIOS              AMI                                          
   Dimensions        312mm x 122mm                                
   I/O Options       PS/2 mouse port                              
   NPU Options       None                                         

<gopher://bitreich.org/I/th99/m/I-L/32016-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | Power LED &        |   CN1    | Turbo LED       |   CN5    |
   | keylock            |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Speaker            |   CN2    | PS/2 mouse port |   CN6    |
   |--------------------+----------+-----------------+----------|
   | Reset switch       |   CN3    | Keyboard port   |   CN7    |
   |--------------------+----------+-----------------+----------|
   | Turbo switch       |   CN4    |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | PS/2 mouse interrupt enabled      |  JP15   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |   | PS/2 mouse interrupt disabled     |  JP15   |   Open   |
   |---+-----------------------------------+---------+----------|
   |>> | Monitor type select monochrome    |  JP16   |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | Monitor type select color         |  JP16   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter |  JP17   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (4) 16M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (4) 16M x 9     |    (4) 16M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (2) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (2) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (2) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (2) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   512KB    | (4) 128K x 8  |     NONE      |  (2) 32K x 8  |
   |------------+---------------+---------------+---------------|
   |    1MB     | (4) 128K x 8  | (4) 128K x 8  |  (2) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  |  JP1   |  JP2   |  JP3   |  JP4   |  JP5  |  JP6  |
   |--------+--------+--------+--------+--------+-------+-------|
   |  32KB  | 2 & 3  | 2 & 3  |  N/A   |  N/A   | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  64KB  | 1 & 2  | 1 & 2  |  N/A   |  N/A   | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 128KB  | 2 & 3  | 1 & 2  | 2 & 3  |  N/A   | 2 & 3 | 2 & 3 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 256KB  | 1 & 2  | 1 & 2  | 1 & 2  |  N/A   | 2 & 3 | 2 & 3 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 512KB  | 2 & 3  | 1 & 2  | 1 & 2  | 2 & 3  | 2 & 3 | 2 & 3 |
   |--------+--------+--------+--------+--------+-------+-------|
   |  1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 2 & 3 | 2 & 3 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CACHE JUMPER CONFIGURATION (CON'T)             |
   |------------------------------------------------------------|
   |   Size   |   JP7    |   JP8    |   JP9   |  JP10  |  JP11  |
   |----------+----------+----------+---------+--------+--------|
   |   32KB   |  2 & 3   |  2 & 3   |  2 & 3  | 2 & 3  | 2 & 3  |
   |----------+----------+----------+---------+--------+--------|
   |   64KB   |  2 & 3   |  2 & 3   |  2 & 3  | 2 & 3  | 1 & 2  |
   |----------+----------+----------+---------+--------+--------|
   |  128KB   |  2 & 3   |  2 & 3   |  2 & 3  | 1 & 2  | 1 & 2  |
   |----------+----------+----------+---------+--------+--------|
   |  256KB   |  2 & 3   |  2 & 3   |  1 & 2  | 1 & 2  | 1 & 2  |
   |----------+----------+----------+---------+--------+--------|
   |  512KB   |  2 & 3   |  1 & 2   |  1 & 2  | 1 & 2  | 1 & 2  |
   |----------+----------+----------+---------+--------+--------|
   |   1MB    |  1 & 2   |  1 & 2   |  1 & 2  | 1 & 2  | 1 & 2  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |     Type     |    JP12    |         JP13          |  JP14  |
   |--------------+------------+-----------------------+--------|
   |   80486SX    |    N/A     |   pins 2 & 3 closed   |  Open  |
   |--------------+------------+-----------------------+--------|
   | 80486DX/DX2  | pins 2 & 3 |   pins 1, 2, 3 & 4    |  Open  |
   |              |   closed   |        closed         |        |
   |--------------+------------+-----------------------+--------|
   |   Pentium    | pins 1 & 2 |   pins 1, 2, 3 & 4    | Closed |
   |  Overdrive   |   closed   |        closed         |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Speed   |    W1    |  W2   |   W3    |   W4    |   W5    |
   |-----------+----------+-------+---------+---------+---------|
   |   16MHz   |  Closed  | Open  |  Open   | Closed  |  Open   |
   |-----------+----------+-------+---------+---------+---------|
   |   25MHz   |   Open   | Open  | Closed  | Closed  |  Open   |
   |-----------+----------+-------+---------+---------+---------|
   |   33MHz   |   Open   | Open  | Closed  |  Open   |  Open   |
   |-----------+----------+-------+---------+---------+---------|
   |  50iMHZ   |   Open   | Open  | Closed  | Closed  |  Open   |
   |-----------+----------+-------+---------+---------+---------|
   |  66iMHz   |   Open   | Open  | Closed  |  Open   |  Open   |
   |-----------+----------+-------+---------+---------+---------|
   | Overdrive |  Closed  | Open  | Closed  | Closed  | Closed  |
   +------------------------------------------------------------+