DEICO ELECTRONICS, INC.
=======================

   PREDATOR-S

   Processor    80386DX/80486SX/80487SX/ODP486SX/80486DX/80486DX2 
   Processor    20/25/33/40/50(internal)/50/66(internal) MHz      
   Speed        
   Chip Set     Symphony                                          
   Max. Onboard 32MB                                              
   DRAM         
   Cache        64/128/256KB                                      
   BIOS         AMI                                               
   Dimensions   330mm x 218mm                                     
   I/O Options  PS/2 mouse port                                   
   NPU Options  80387DX                                           

<gopher://bitreich.org/I/th99/m/C-D/31447-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose            | Location |
   |-----------------+----------+--------------------+----------|
   | PS/2 mouse port |    J2    | Power LED &        |   J22    |
   | header          |          | keylock            |          |
   |-----------------+----------+--------------------+----------|
   | Reset switch    |   J20    | Speaker            |   J23    |
   |-----------------+----------+--------------------+----------|
   | Turbo switch    | J21/3 &  | CPU speed          |   J24    |
   |                 |    4     | indicator power    |          |
   |                 |          | (+5VDC)            |          |
   |-----------------+----------+--------------------+----------|
   | Turbo LED       | J21/1 &  |                    |          |
   |                 |    2     |                    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Jumper |  Position   |
   |-------------------------------------+--------+-------------|
   |>> | PS/2 mouse port enabled (IRQ12) |  JP1   | pins 1 & 2  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |   | PS/2 mouse port disabled        |  JP1   | pins 2 & 3  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |>> | Monitor type select color       |  JP2   | pins 1 & 2  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |   | Monitor type select monochrome  |  JP2   | pins 2 & 3  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |>> | CMOS memory normal operation    |  JP3   | pins 1 & 2  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |   | CMOS memory clear               |  JP3   | pins 2 & 3  |
   |   |                                 |        |   closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |   CPU   | JP5, JP6,  |   JP9, JP13,   |   JP11 &   |
   |       |         |    JP8     |  JP14, JP15,   |    JP12    |
   |       |         |            |      JP16      |            |
   |-------+---------+------------+----------------+------------|
   | 64KB  | 80386DX | pins 1 & 2 |   pins 1 & 2   | pins 2 & 3 |
   |       |         |            |     closed     |            |
   |-------+---------+------------+----------------+------------|
   | 64KB  |   any   | pins 1 & 2 |   pins 1 & 2   | pins 1 & 2 |
   |       |  80486  |            |     closed     |            |
   |-------+---------+------------+----------------+------------|
   | 128KB | 80386DX | pins 2 & 3 |   pins 2 & 3   | pins 1 & 2 |
   |       |         |            |     closed     |            |
   |-------+---------+------------+----------------+------------|
   | 128KB |   any   | pins 2 & 3 |   pins 2 & 3   | pins 1 & 2 |
   |       |  80486  |            |     closed     |            |
   |-------+---------+------------+----------------+------------|
   | 256KB | 80386DX | pins 3 & 4 |   pins 1 & 2   | pins 2 & 3 |
   |       |         |            |     closed     |            |
   |-------+---------+------------+----------------+------------|
   | 256KB |   any   | pins 3 & 4 |   pins 1 & 2   | pins 1 & 2 |
   |       |  80486  |            |     closed     |            |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |  CPU type   | Speed  |    JP4    |    JP7    |    JP10     |
   |-------------+--------+-----------+-----------+-------------|
   |   80386DX   | 25MHz  | pins 7 &  | pins 1 &  | pins 3 & 4  |
   |             |        | 8 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80386DX   | 33MHz  | pins 7 &  | pins 1 &  | pins 5 & 6  |
   |             |        | 8 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80386DX   | 40MHz  | pins 7 &  | pins 1 &  | pins 7 & 8  |
   |             |        | 8 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80486SX   | 20MHz  | pins 5 &  | pins 1 &  | pins 1 & 2  |
   |             |        | 6 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80486SX   | 25MHz  | pins 5 &  | pins 1 &  | pins 3 & 4  |
   |             |        | 6 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80487SX   | 20MHz  | pins 3 &  | pins 1 &  | pins 1 & 2  |
   |             |        | 4 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80487SX   | 25MHz  | pins 3 &  | pins 1 &  | pins 3 & 4  |
   |             |        | 4 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |  ODP486SX   | 25/50i | pins 3 &  | pins 1 &  | pins 3 & 4  |
   |             |  MHz   | 4 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |  ODP486SX   | 33/66i | pins 3 &  | pins 1 &  | pins 5 & 6  |
   |             |  MHz   | 4 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   | 80486DX/DX2 | 25/50i | pins 1 &  | pins 1 &  | pins 3 & 4  |
   |             |  MHz   | 2 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   | 80486DX/DX2 | 33/66i | pins 1 &  | pins 1 &  | pins 5 & 6  |
   |             |  MHz   | 2 closed  | 2 closed  |   closed    |
   |-------------+--------+-----------+-----------+-------------|
   |   80486DX   | 50MHz  | pins 1 &  | pins 2 &  | pins 9 & 10 |
   |             |        | 2 closed  | 3 closed  |   closed    |
   +------------------------------------------------------------+