CHICONY, INC.
=============

   CH-386-33/40H(L), CH-486DLC-33/40H(L)

   Processor         80386DX/CX486DLC                             
   Processor Speed   33/40MHz                                     
   Chip Set          UMC                                          
   Max. onboard DRAM 32MB                                         
   Cache             32/64/128/256KB                              
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80387DX/CX487DLC/3167                        

<gopher://bitreich.org/I/th99/m/C-D/31610-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |   JP1    | Reset switch   |   JP21   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   JP19   | Turbo switch   |   JP22   |
   |---------------------+----------+----------------+----------|
   | Turbo LED           |   JP20   | Speaker        |   JP23   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper  | Position  |
   |--------------------------------------+---------+-----------|
   |>> | CMOS memory normal operation     |   JP3   |   Open    |
   |---+----------------------------------+---------+-----------|
   |   | CMOS memory clear                |   JP3   |  Closed   |
   |---+----------------------------------+---------+-----------|
   |>> | Monitor type select color        |  JP12   |  Closed   |
   |---+----------------------------------+---------+-----------|
   |   | Monitor type select monochrome   |  JP12   |   Open    |
   |---+----------------------------------+---------+-----------|
   |>> | CPU speed select 33MHz           |  JP24   |  Closed   |
   |---+----------------------------------+---------+-----------|
   |   | CPU speed select 40MHz           |  JP24   |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CLOCK GENERATOR CONFIGURATION                |
   |------------------------------------------------------------|
   |   Generator   |     JP25     |     JP26     |     JP27     |
   |---------------+--------------+--------------+--------------|
   |    AV9107     |     Open     |     Open     |     Open     |
   |---------------+--------------+--------------+--------------|
   |  Oscillator   |    Closed    |    Closed    |    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) 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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Max Cachable |   Bank 0    |   Bank 1    |   TAG   |
   |-------+--------------+-------------+-------------+---------|
   | 32KB  |     8MB      | (4) 8K x 8  |    NONE     | 8K x 8  |
   |-------+--------------+-------------+-------------+---------|
   | 64KB  |     16MB     | (4) 8K x 8  | (4) 8K x 8  | 8K x 8  |
   |-------+--------------+-------------+-------------+---------|
   | 128KB |     32MB     | (4) 32K x 8 |    NONE     | 8K x 8  |
   |-------+--------------+-------------+-------------+---------|
   | 256KB |     32MB     | (4) 32K x 8 | (4) 32K x 8 | 32K x 8 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  | JP2  | JP4  | JP5  | JP6 | JP7 | JP8 | JP10 | JP11 |
   |-------+------+------+------+-----+-----+-----+------+------|
   | 32KB  | 1 &  | 1 &  | 1 &  | 1 & | 1 & | 1 & | Open | 2 &  |
   |       |  2   |  2   |  2   |  2  |  2  |  2  |      |  3   |
   |-------+------+------+------+-----+-----+-----+------+------|
   | 64KB  | 1 &  | 2 &  | 1 &  | 2 & | 1 & | 1 & | Open | 1 &  |
   |       |  2   |  3   |  2   |  3  |  2  |  2  |      |  2   |
   |-------+------+------+------+-----+-----+-----+------+------|
   | 128KB | 2 &  | 2 &  | 1 &  | 2 & | 2 & | 1 & | 1 &  | 2 &  |
   |       |  3   |  3   |  2   |  3  |  3  |  2  |  2   |  3   |
   |-------+------+------+------+-----+-----+-----+------+------|
   | 256KB | 2 &  | 2 &  | 2 &  | 2 & | 2 & | 2 & | 2 &  | 1 &  |
   |       |  3   |  3   |  3   |  3  |  3  |  3  |  3   |  2   |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     NPU CONFIGURATION                      |
   |------------------------------------------------------------|
   |     Mode     |  JP9   |  JP16  |  JP17  |       JP18       |
   |--------------+--------+--------+--------+------------------|
   | Synchronous  | Closed | Closed |  Open  |    pins 1 & 2    |
   |              |        |        |        |      closed      |
   |--------------+--------+--------+--------+------------------|
   | Asynchronous | Closed | Closed | Closed |    pins 2 & 3    |
   |              |        |        |        |      closed      |
   |--------------+--------+--------+--------+------------------|
   |   Disabled   |  Open  |  Open  |  N/A   |       N/A        |
   +------------------------------------------------------------+