MAGITRONICS
===========

   386DX/486SX/486DX/486DX2

   Processor         80386DX/80486SX/80487SX/80486DX/80486DX2     
   Processor Speed   25/33/40/50(internal)/50/66(internal)MHz     
   Chip Set          Unidentified                                 
   Max. Onboard DRAM 32MB                                         
   Cache             64/128/256KB                                 
   BIOS              AMI                                          
   Dimensions        254mm x 220mm                                
   I/O Options       None                                         
   NPU Options       80387DX                                      

<gopher://bitreich.org/I/th99/m/M-O/32349-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose        | Location | Purpose             | Location |
   |----------------+----------+---------------------+----------|
   | Reset switch   |    J1    | Speaker             |    J4    |
   |----------------+----------+---------------------+----------|
   | Turbo switch   |    J2    | Power LED & keylock |    J5    |
   |----------------+----------+---------------------+----------|
   | Turbo LED      |    J3    | External battery    |    J7    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Jumper |   Position   |
   |------------------------------------+--------+--------------|
   |>> | CMOS memory normal operation   |   P1   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | CMOS memory clear              |   P1   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | Monitor type select color      |   P2   |    Closed    |
   |---+--------------------------------+--------+--------------|
   |   | Monitor type select monochrome |   P2   |     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        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size   |        P3         |    P5    |   P7    |   P9    |
   |---------+-------------------+----------+---------+---------|
   |  64KB   | pins 2 & 3 closed |   Open   |  Open   |  Open   |
   |---------+-------------------+----------+---------+---------|
   |  128KB  | pins 1 & 2 closed |   Open   | Closed  | Closed  |
   |---------+-------------------+----------+---------+---------|
   |  256KB  | pins 2 & 3 closed |  Closed  | Closed  | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |  Type   |      P4       |    P25     |  P33   |    P100    |
   |---------+---------------+------------+--------+------------|
   |  80386  |  pins 1 & 2   | pins 2 & 3 |  Open  | pins 2 & 3 |
   | (PQFP)  |    closed     |   closed   |        |   closed   |
   |---------+---------------+------------+--------+------------|
   |  80486  |  pins 2 & 3   | pins 1 & 2 | Closed | pins 1 & 2 |
   | (PQFP)  |    closed     |   closed   |        |   closed   |
   |---------+---------------+------------+--------+------------|
   |  80486  |  pins 2 & 3   | pins 1 & 2 | Closed | pins 2 & 3 |
   |  (PGA)  |    closed     |   closed   |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type    |        P12        |        P13        |  P14   |
   |-----------+-------------------+-------------------+--------|
   |  80486SX  | pins 2 & 3 closed |       Open        |  Open  |
   |-----------+-------------------+-------------------+--------|
   |  80487SX  | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
   |-----------+-------------------+-------------------+--------|
   |  80486DX  | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
   |-----------+-------------------+-------------------+--------|
   | 80486DX2  | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Speed    |    P30    |    P31    |    P32    |    P97    |
   |------------+-----------+-----------+-----------+-----------|
   |   25MHz    |  Closed   |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   33MHz    |  Closed   |  Closed   |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   40MHz    |   Open    |   Open    |  Closed   |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   50MHz    |  Closed   |   Open    |  Closed   |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   50iMHz   |  Closed   |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   66iMHz   |  Closed   |  Closed   |   Open    |   Open    |
   +------------------------------------------------------------+