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

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

   Processor             80486DX                                  
   Processor Speed       33/40MHz                                 
   Chip Set              OPTI                                     
   Max. Onboard DRAM     32MB                                     
   Cache                 None                                     
   BIOS                  AMI                                      
   Dimensions            220mm x 220mm                            
   I/O Options           None                                     
   NPU Options           None                                     

<gopher://bitreich.org/I/th99/m/C-D/31075-1.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  |
   |--------------------------------------+--------+------------|
   |>> | Battery type select internal     |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |  JP1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP3   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP3   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP9   |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP12  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP12  |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP16  |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP17  |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP18  |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | CPU speed select 33MHz           |  JP24  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select 40MHz           |  JP24  |    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     |
   |------------------+--------------------+--------------------|
   |       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    |    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) 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.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU CLOCK SOURCE CONFIGURATION               |
   |------------------------------------------------------------|
   |     Type      |     JP25     |     JP26     |     JP27     |
   |---------------+--------------+--------------+--------------|
   |    AV9107     |     Open     |     Open     |     Open     |
   |---------------+--------------+--------------+--------------|
   |      OSC      |    Closed    |    Closed    |    Closed    |
   +------------------------------------------------------------+