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

   386-20

   Processor         80386DX                                      
   Processor Speed   20MHz                                        
   Chip Set          Micronics                                    
   Max. Onboard DRAM 8MB (on system memory card)                  
   Cache             16KB (on M100C and M400C system memory cards 
                     only)                                        
   BIOS              Award/Phoenix                                
   Dimensions        355.6mm x 255.4mm                            
   I/O Options       32-bit system memory card slot               
   NPU Options       80387/3167                                   

<gopher://bitreich.org/I/th99/m/M-O/30110-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose               | Location | Purpose      | Location |
   |-----------------------+----------+--------------+----------|
   | External battery      |    J1    | Speaker      |   J22    |
   |-----------------------+----------+--------------+----------|
   | 32-bit system memory  |   J11    | Turbo LED    |    W7    |
   | card power            |          |              |          |
   |-----------------------+----------+--------------+----------|
   | 32-bit system memory  |   J20    | Reset switch |    W9    |
   | card                  |          |              |          |
   |-----------------------+----------+--------------+----------|
   | Power LED & keylock   |   J21    |              |          |
   |------------------------------------------------------------|
   | Note:The system memory card is inserted into both J11 &    |
   | J20.                                                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/1     |     On     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |   | NPU enabled               |     SW1/2     |     On     |
   |---+---------------------------+---------------+------------|
   |   | NPU disabled              |     SW1/2     |    Off     |
   |---+---------------------------+---------------+------------|
   |>> | 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                 |               |            |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27128    |      W1       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27256    |      W1       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | NPU mode select           |      W4       | pins 2 & 3 |
   |   | synchronous with CPU      |               |   closed   |
   |   |                           |      W6       |            |
   |   |                           |               |    open    |
   |---+---------------------------+---------------+------------|
   |   | NPU mode select           |      W4       | pins 1 & 2 |
   |   | asynchronous with CPU     |               |   closed   |
   |   |                           |      W6       |            |
   |   |                           |               |   closed   |
   |------------------------------------------------------------|
   | Note:Cache configuration applies to main memory boards     |
   | M100C and M400C only.                                      |
   +------------------------------------------------------------+

   SYSTEM MEMORY CARD MODEL M100

<gopher://bitreich.org/I/th99/m/M-O/30110-2.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                                 |     Location     |
   |-----------------------------------------+------------------|
   | 32-bit piggy back memory card           |     S1 & S2      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |        Jumper W1        |
   |------+-------------+-------------+-------------------------|
   | 1MB  | (36) 256K x |    NONE     | pins 2 & 3, 4 & 5, 7 &  |
   |      |      1      |             |        8 closed         |
   |------+-------------+-------------+-------------------------|
   | 2MB  | (36) 256K x | (36) 256K x | pins 1 & 2, 4 & 5, 7 &  |
   |      |      1      |      1      |        8 closed         |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/M-O/30110-3.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                                 |     Location     |
   |-----------------------------------------+------------------|
   | 32-bit piggy back memory card           |     S1 & S2      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |        Jumper W1        |
   |------+-------------+-------------+-------------------------|
   | 4MB  | (36) 1M x 1 |    NONE     |    pins 1 & 2, 3 & 4    |
   |      |             |             |         closed          |
   |------+-------------+-------------+-------------------------|
   | 8MB  | (36) 1M x 1 | (36) 1M x 1 |    pins 3 & 4 closed    |
   +------------------------------------------------------------+

   SYSTEM MEMORY CARD MODEL M300

<gopher://bitreich.org/I/th99/m/M-O/30110-4.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                                 |     Location     |
   |-----------------------------------------+------------------|
   | 32-bit piggy back memory card           |     S1 & S2      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size | Bank  | Parity | Bank  | Parity | Bank 2 |   SW1    |
   |      |   0   | (P-0)  |   1   | (P-1)  |        |          |
   |------+-------+--------+-------+--------+--------+----------|
   | 1MB  |  (8)  |  (4)   | NONE  |  NONE  |  NONE  | switches |
   |      | 44256 |  4464  |       |        |        | 5, 6, &  |
   |      |       |        |       |        |        | 8 closed |
   |------+-------+--------+-------+--------+--------+----------|
   | 2MB  |  (8)  |  (4)   |  (8)  |  (4)   |  NONE  | switches |
   |      | 44256 |  4464  | 44256 |  4464  |        | 3, 5, 6, |
   |      |       |        |       |        |        |   & 8    |
   |      |       |        |       |        |        |  closed  |
   |------+-------+--------+-------+--------+--------+----------|
   | 6MB  |  (8)  |  (4)   |  (8)  |  (4)   |  (36)  | switches |
   |      | 44256 |  4464  | 44256 |  4464  | 411000 | 2, 3, 5, |
   |      |       |        |       |        |        |  6, & 8  |
   |      |       |        |       |        |        |  closed  |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/M-O/30110-5.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                                 |     Location     |
   |-----------------------------------------+------------------|
   | 32-bit piggy back memory card           |     S1 & S2      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |  Bank 0   |  Bank 1   |   Jumper W1   | Jumper W3  |
   |-------+-----------+-----------+---------------+------------|
   |  1MB  | (36) 256K |   NONE    |  pins 1 & 2   |   closed   |
   |       |    x 1    |           |    closed     |            |
   |-------+-----------+-----------+---------------+------------|
   |  2MB  | (36) 256K | (36) 256K |  pins 2 & 3   |   closed   |
   |       |    x 1    |    x 1    |    closed     |            |
   |------------------------------------------------------------|
   | Note:Jumper W3 enables cache controller chip. Disabling    |
   | this jumper will decrease system speed.                    |
   +------------------------------------------------------------+

   SYSTEM MEMORY CARD MODEL M400C

<gopher://bitreich.org/I/th99/m/M-O/30110-6.png>
   

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |  Bank 0   |  Bank 1   |   Jumper W1   | Jumper W3  |
   |-------+-----------+-----------+---------------+------------|
   |  4MB  | (36) 1M x |   NONE    |  pins 1 & 2   |   closed   |
   |       |     1     |           |    closed     |            |
   |-------+-----------+-----------+---------------+------------|
   |  8MB  | (36) 1M x | (36) 1M x |  pins 2 & 3   |   closed   |
   |       |     1     |     1     |    closed     |            |
   |------------------------------------------------------------|
   | Note:Jumper W3 enables cache controller chip. Disabling    |
   | this jumper will decrease system speed.                    |
   +------------------------------------------------------------+