MICRONICS COMPUTERS, INC.
=========================

   386-I CACHE

   Processor             80386DX                                  
   Processor Speed       20/25/33MHz                              
   Chip Set              Micronics                                
   Max. Onboard DRAM     None                                     
   Cache                 32/64KB                                  
   BIOS                  Phoenix                                  
   Dimensions            355mm x 305mm                            
   I/O Options           32-bit external memory card slot         
   NPU Options           80387/3167                               

<gopher://bitreich.org/I/th99/m/M-O/30111-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | External battery     |    J2    | Auxiliary     |   J25    |
   |                      |          | keyboard      |          |
   |----------------------+----------+---------------+----------|
   | 32-bit external      |   J20    | Reset switch  |    W1    |
   | memory card          |          |               |          |
   |----------------------+----------+---------------+----------|
   | Power LED & keylock  |   J21    | Turbo LED     |    W9    |
   |----------------------+----------+---------------+----------|
   | Speaker              |   J22    | Turbo switch  |   W15    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/1     |     On     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | NPU select 3167 or none   |     SW1/2     |    Off     |
   |---+---------------------------+---------------+------------|
   |   | NPU select 80387          |     SW1/2     |     On     |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/3     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Video BIOS shadowing      |     SW1/4     |     On     |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |   | Video BIOS shadowing      |     SW1/4     |    Off     |
   |   | disabled                  |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/5     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color |     SW1/6     |     On     |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |     SW1/6     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Cache enabled             |     SW1/7     |     On     |
   |---+---------------------------+---------------+------------|
   |   | Cache disabled            |     SW1/7     |    Off     |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/8     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Non-cacheable region      |      W22      | pins 1 & 2 |
   |   | select E00000 to EFFFFF   |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Non-cacheable region      |      W22      |    Open    |
   |   | select D00000 to DFFFFF   |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      W23      |    Open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      W30      | pins 2 & 3 |
   |   | not alter                 |               |   closed   |
   |------------------------------------------------------------|
   | Note:The location of W23 & W30 are unidentified.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |     Organization      |   Bank 0    |   Bank 1    |
   |--------+-----------------------+-------------+-------------|
   |  32KB  |    directly mapped    | (4) 8K x 8  |    NONE     |
   |--------+-----------------------+-------------+-------------|
   |  64KB  | 2 way set-associative | (4) 8K x 8  | (4) 8K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |        W12         |        W13         |
   |------------------+--------------------+--------------------|
   |       32KB       | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       64KB       |        Open        | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     NPU CONFIGURATION                      |
   |------------------------------------------------------------|
   |            Setting            |        W7         |   W8   |
   |-------------------------------+-------------------+--------|
   |     NPU synchronous with      | pins 1 & 2 closed | Closed |
   |      oscillator at U109       |                   |        |
   |-------------------------------+-------------------+--------|
   |   NPU synchronous with CPU    |       Open        |  Open  |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/M-O/30111-2.png>
   

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |     (36) 41256     |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |     (36) 41256     |     (36) 41256     |
   |------------------+--------------------+--------------------|
   |       4MB        |    (36) 411000     |        NONE        |
   |------------------+--------------------+--------------------|
   |       5MB        |     (36) 41256     |    (36) 411000     |
   |------------------+--------------------+--------------------|
   |       8MB        |    (36) 411000     |    (36) 411000     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |Size |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8|
   |-----+------+------+------+------+------+------+------+-----|
   | 1MB |  On  | Off  |  On  |  On  |  On  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | 2MB | Off  |  On  |  On  |  On  |  On  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | 4MB |  On  |  On  | Off  | Off  |  On  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | 5MB | Off  | Off  | Off  |  On  |  On  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | 8MB | Off  |  On  | Off  | Off  |  On  | Off  | Off  | Off |
   +------------------------------------------------------------+