TARGET MICRO
============

   TYPHOON 486-386/ISA

   Processor    80386DX/80486DLC/80486SX/80487SX/80486DX/80486DX2 
   Processor    25/33/40/50(internal)/50/66(internal)66MHz        
   Speed        
   Chip Set     UNI                                               
   Max. Onboard 128MB                                             
   DRAM         
   Cache        32/64/128/256KB                                   
   BIOS         AMI                                               
   Dimensions   254mm x 218mm                                     
   I/O Options  None                                              
   NPU Options  80387                                             

<gopher://bitreich.org/I/th99/m/S-T/31132-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |    J4    | Turbo LED      |   JP16   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |    J5    | Turbo switch   |   JP17   |
   |---------------------+----------+----------------+----------|
   | Speaker             |    J6    | Reset switch   |   JP18   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery type select internal     |   J4   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |   J4   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Keyboard controller select 386   |  JP14  | pins 1 & 2 |
   |   | KBGA20                           |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Keyboard controller select 386   |  JP14  |    Open    |
   |   | emulate KBGA20                   |        |            |
   |---+----------------------------------+--------+------------|
   |   | Keyboard controller select       |  JP14  | pins 2 & 3 |
   |   | emulate KBGA20                   |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Keyboard controller select       |  JP14  | pins 3 & 4 |
   |   | 486DX/DLC emulate KBGA20         |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP1   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Factory configured - do not      |  JP13  |    Open    |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (4) 16M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       65MB       |    (4) 16M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       80MB       |    (4) 16M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (4) 16M x 9     |    (4) 16M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |    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) 16K x 4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  | JP6  |  JP7   |  JP9   |           JP11           |
   |--------+------+--------+--------+--------------------------|
   |  32KB  | Open |  Open  |  Open  |    pins 2 & 3 closed     |
   |--------+------+--------+--------+--------------------------|
   |  64KB  | Open | Closed |  Open  |    pins 1 & 2 closed     |
   |--------+------+--------+--------+--------------------------|
   | 128KB  | Open | Closed | Closed | pins 1 & 2, 3 & 4 closed |
   |--------+------+--------+--------+--------------------------|
   | 256KB  | Open | Closed | Closed | pins 1 & 2, 4 & 5 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |  Type  | JP3  | JP4  | JP5  |   JP8   | JP10 | JP12 | JP15 |
   |--------+------+------+------+---------+------+------+------|
   |80386DX | See  | See  | Open |See note |2 & 3 |2 & 3 |2 & 3 |
   |        | note | note |      |         |      |      |      |
   |--------+------+------+------+---------+------+------+------|
   |CX486DLC|1 & 2 | See  | Open |See note |2 & 3 |2 & 3 |2 & 3 |
   |        |      | note |      |         |      |      |      |
   |--------+------+------+------+---------+------+------+------|
   |80486SX | See  | Open |Closed|1 & 2, 3 |1 & 2 |1 & 2 |1 & 2 |
   |        | note |      |      |   & 4   |      |      |      |
   |--------+------+------+------+---------+------+------+------|
   |80487SX | See  |2 & 3 |Closed|1 & 2, 3 |1 & 2 |1 & 2 |1 & 2 |
   |        | note |      |      |   & 4   |      |      |      |
   |--------+------+------+------+---------+------+------+------|
   |80486DX | See  |1 & 2 |Closed|  2 & 3  |1 & 2 |1 & 2 |1 & 2 |
   |        | note |      |      |         |      |      |      |
   |--------+------+------+------+---------+------+------+------|
   |80486DX2| See  |1 & 2 |Closed|  2 & 3  |1 & 2 |1 & 2 |1 & 2 |
   |        | note |      |      |         |      |      |      |
   |------------------------------------------------------------|
   |Note:Speed select for 386DX is JP3 pins 1 & 2 closed =      |
   |33/40MHz, pins 2 & 3 closed = 25MHz.                        |
   |                                                            |
   |Pins designated should be in the closed position.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CPU OSCILLATOR CONFIGURATION                |
   |------------------------------------------------------------|
   |             Type              |            OSC             |
   |-------------------------------+----------------------------|
   |          80386DX-25           |           50MHz            |
   |-------------------------------+----------------------------|
   |          80386DX-33           |           66MHz            |
   |-------------------------------+----------------------------|
   |          80386DX-40           |           80MHz            |
   |-------------------------------+----------------------------|
   |          CX486DLC-33          |           66MHz            |
   |-------------------------------+----------------------------|
   |          CX486DLC-40          |           80MHz            |
   |-------------------------------+----------------------------|
   |          80486SX-20           |           20MHz            |
   |-------------------------------+----------------------------|
   |          80486SX-25           |           25MHz            |
   |-------------------------------+----------------------------|
   |          80487SX-20           |           20MHz            |
   |-------------------------------+----------------------------|
   |          80487SX-25           |           25MHz            |
   |-------------------------------+----------------------------|
   |          80486DX-25           |           25MHz            |
   |-------------------------------+----------------------------|
   |          80486DX-33           |           33MHz            |
   |-------------------------------+----------------------------|
   |          80486DX-50           |           50MHz            |
   |-------------------------------+----------------------------|
   |          80486DX2-50          |           25MHz            |
   |-------------------------------+----------------------------|
   |          80486DX2-66          |           33MHz            |
   +------------------------------------------------------------+