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

   A-B341H

   Processor           80386DX                                    
   Processor Speed     40MHz                                      
   Chip Set            UMC                                        
   Max. Onboard DRAM   32MB                                       
   SRAM Cache          32/64/128/256KB                            
   BIOS                AMI                                        
   Dimensions          330mm x 218mm                              
   I/O Options         None                                       
   NPU Options         80387/3167                                 

<gopher://bitreich.org/I/th99/m/M-O/31424-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Function         | Location | Function          | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    J1    | Reset switch      |    J4    |
   |------------------+----------+-------------------+----------|
   | Turbo LED        |    J2    | Speaker           |    J5    |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |    J3    | Power LED &       |    J6    |
   |                  |          | keylock           |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Location  | Setting  |
   |-------------------------------------+-----------+----------|
   |>> | Battery select internal         |    W1     |  closed  |
   |---+---------------------------------+-----------+----------|
   |   | Battery select external         |    W1     |   open   |
   |---+---------------------------------+-----------+----------|
   |>> | Monitor type select color       |    W2     |  closed  |
   |---+---------------------------------+-----------+----------|
   |   | Monitor type select monochrome  |    W2     |   open   |
   |---+---------------------------------+-----------+----------|
   |>> | NPU disabled                    |    W4     |   open   |
   |---+---------------------------------+-----------+----------|
   |   | NPU enabled                     |    W4     |  closed  |
   |---+---------------------------------+-----------+----------|
   |>> | CMOS memory normal operation    |    W20    |   open   |
   |---+---------------------------------+-----------+----------|
   |   | CMOS memory clear               |    W20    |  closed  |
   |------------------------------------------------------------|
   | Note:Location of jumper W2 is unknown.                     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   |------------------+--------------------+--------------------|
   |       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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |     Cache     |   Location    |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |    Bank 0     |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 8K x 8   |  Banks 0 & 1  |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |    Bank 0     |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 32K x 8  |  Banks 0 & 1  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   | Size  | W8  | W9  | W10  | W11  | W12  | W13  | W14 | W15  |
   |-------+-----+-----+------+------+------+------+-----+------|
   | 32KB  | 1 & | 1 & | 1 &  | 1 &  | 2 &  | 1 &  | 1 & | open |
   |       |  2  |  2  |  2   |  2   |  3   |  2   |  2  |      |
   |-------+-----+-----+------+------+------+------+-----+------|
   | 64KB  | 2 & | 1 & | 1 &  | 2 &  | 1 &  | 1 &  | 1 & | open |
   |       |  3  |  2  |  2   |  3   |  2   |  2   |  2  |      |
   |-------+-----+-----+------+------+------+------+-----+------|
   | 128KB | 2 & | 2 & | 2 &  | 2 &  | 2 &  | 1 &  | 1 & | 1 &  |
   |       |  3  |  3  |  3   |  3   |  3   |  2   |  2  |  2   |
   |-------+-----+-----+------+------+------+------+-----+------|
   | 256KB | 2 & | 2 & | 2 &  | 2 &  | 1 &  | 2 &  | 2 & | 2 &  |
   |       |  3  |  3  |  3   |  3   |  2   |  3   |  3  |  3   |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+