EDE ELECTRONIC LABORATORY SERVICES
==================================

   CACHE 386

   Processor         80386DX                                      
   Processor Speed   25/33MHz                                     
   Chip Set          Unknown                                      
   Max. onboard DRAM 4MB (16MB external)                          
   SRAM Cache        32/64KB                                      
   BIOS              AMI/Phoenix                                  
   Dimensions        355mm x 305mm                                
   I/O Options       32-bit memory card                           
   NPU Options       80387DX/3167                                 

<gopher://bitreich.org/I/th99/m/E-H/31564-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose               | Location | Purpose      | Location |
   |-----------------------+----------+--------------+----------|
   | Speaker               |    J1    | Reset switch |    W3    |
   |-----------------------+----------+--------------+----------|
   | Power LED & Keylock   |    J2    | Turbo switch |    W4    |
   |-----------------------+----------+--------------+----------|
   | External battery      |    J4    | Turbo LED    |    W5    |
   |-----------------------+----------+--------------+----------|
   | 32-bit external       |    S1    |              |          |
   | memory card           |          |              |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             | Jumper/Switch | Position |
   |---------------------------------+---------------+----------|
   |>> | Factory configured - do not |     SW2/1     |   Off    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |     SW2/3     |   Off    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Video BIOS shadowing        |     SW2/4     |    On    |
   |   | enabled                     |               |          |
   |---+-----------------------------+---------------+----------|
   |   | Video BIOS shadowing        |     SW2/4     |   Off    |
   |   | disabled                    |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |     SW2/5     |   Off    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Monitor type select color   |     SW2/6     |    On    |
   |---+-----------------------------+---------------+----------|
   |   | Monitor type select         |     SW2/6     |   Off    |
   |   | monochrome                  |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Cache enabled               |     SW2/7     |    On    |
   |---+-----------------------------+---------------+----------|
   |   | Cache disabled              |     SW2/7     |   Off    |
   |---+-----------------------------+---------------+----------|
   |>> | Bus speed select 8.3MHz     |     SW2/8     |   Off    |
   |---+-----------------------------+---------------+----------|
   |   | Bus speed select 12.5 MHz   |     SW2/8     |    On    |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W1       | Unknown  |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W2       | Unknown  |
   |   | alter                       |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       32KB       |     (4) 8K x 8     |        NONE        |
   |------------------+--------------------+--------------------|
   |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size    |        W4         |   W8   |        W13        |
   |-----------+-------------------+--------+-------------------|
   | Disabled  | pins 2 & 3 closed |  N/A   |        N/A        |
   |-----------+-------------------+--------+-------------------|
   |   32KB    | pins 1 & 2 closed | Closed | pins 1 & 2 closed |
   |-----------+-------------------+--------+-------------------|
   |   64KB    | pins 1 & 2 closed |  Open  | pins 2 & 3 closed |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/E-H/31564-2.png>
   

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Jumper |  1MB   |  2MB  |  4MB  |  8MB   |  12MB  |  16MB  |
   |--------+--------+-------+-------+--------+--------+--------|
   | SW1/1  |   On   |  Off  |  On   |  Off   |  Off   |  Off   |
   |--------+--------+-------+-------+--------+--------+--------|
   | SW1/2  |  Off   |  On   |  On   |   On   |  Off   |  Off   |
   |--------+--------+-------+-------+--------+--------+--------|
   | SW1/3  |   On   |  On   |  Off  |  Off   |  Off   |  Off   |
   |--------+--------+-------+-------+--------+--------+--------|
   | SW1/4  |   On   |  On   |  Off  |  Off   |  Off   |  Off   |
   |--------+--------+-------+-------+--------+--------+--------|
   |  JP1   |  Open  | Open  | Open  |  Open  |  Open  |  Open  |
   |--------+--------+-------+-------+--------+--------+--------|
   |  JP2   |  Open  | Open  | Open  |  Open  | Closed | Closed |
   |--------+--------+-------+-------+--------+--------+--------|
   |  JP3   |  Open  | Open  | Open  | Closed |  Open  | Closed |
   |--------+--------+-------+-------+--------+--------+--------|
   | Bank 0 | 256K x | 256K  | 1024  | 1024 x | 1024 x | 1024 x |
   |        |   1    |  x 1  |  x 1  |   1    |   1    |   1    |
   |--------+--------+-------+-------+--------+--------+--------|
   | Bank 1 |  NONE  | 256K  | NONE  | 1024 x | 1024 x | 1024 x |
   |        |        |  x 1  |       |   1    |   1    |   1    |
   |--------+--------+-------+-------+--------+--------+--------|
   | Bank 2 |  NONE  | NONE  | NONE  |  NONE  | (4) 1M | (4) 1M |
   |        |        |       |       |        |  x 9   |  x 9   |
   |--------+--------+-------+-------+--------+--------+--------|
   | Bank 3 |  NONE  | NONE  | NONE  |  NONE  |  NONE  | (4) 1M |
   |        |        |       |       |        |        |  x 9   |
   |------------------------------------------------------------|
   | Note: JP1, JP2, JP3, Bank 1, Bank 2, and Bank 3 are        |
   | located on the 32-bit external memory card.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     NPU CONFIGURATION                      |
   |------------------------------------------------------------|
   |     NPU      |     Mode     | SW2/2 |    W7     |   W11    |
   |--------------+--------------+-------+-----------+----------|
   |   Disabled   |     N/A      |  Off  |    N/A    |   N/A    |
   |--------------+--------------+-------+-----------+----------|
   | 80387DX/3167 | Asynchronous |  On   | pins 1 &  | pins 2 & |
   |              |              |       | 2 closed  | 3 closed |
   |--------------+--------------+-------+-----------+----------|
   | 80387DX/3167 | Synchronous  |  On   | pins 2 &  | pins 1 & |
   |              |              |       | 3 closed  | 2 closed |
   +------------------------------------------------------------+