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

   CH-386-33F/40F

   Processor         80386DX                                      
   Processor Speed   33/40MHz                                     
   Chip Set          OPTI                                         
   Max. Onboard DRAM 32MB                                         
   Cache             32/64/128/256KB                              
   BIOS              AMI                                          
   Dimensions        254mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80387DX/3167                                 

<gopher://bitreich.org/I/th99/m/C-D/32797-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |    J1    | Reset switch   |   J18    |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   J16    | Turbo switch   |   J19    |
   |---------------------+----------+----------------+----------|
   | Speaker             |   J17    | Turbo LED      |   J20    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper  | Position  |
   |--------------------------------------+---------+-----------|
   |>> | CMOS memory normal operation     |   J2    |  Closed   |
   |---+----------------------------------+---------+-----------|
   |   | CMOS memory clear                |   J2    |   Open    |
   |---+----------------------------------+---------+-----------|
   |>> | Monitor type select monochrome   |   J4    |   Open    |
   |---+----------------------------------+---------+-----------|
   |   | Monitor type select color        |   J4    |  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        |
   |------------------+--------------------+--------------------|
   |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       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 (U19)  |  TAG (U20  |
   |-------+-------------+------------+------------+------------|
   | 32KB  | (4) 8K x 8  |    NONE    | (1) 16K x  | (1) 8K x 8 |
   |       |             |            |     4      |            |
   |-------+-------------+------------+------------+------------|
   | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (1) 16K x  | (1) 8K x 8 |
   |       |             |            |     4      |            |
   |-------+-------------+------------+------------+------------|
   | 128KB | (4) 32K x 8 |    NONE    | (1) 16K x  | (1) 8K x 8 |
   |       |             |            |     4      |            |
   |-------+-------------+------------+------------+------------|
   | 256KB | (4) 32K x 8 | (4) 32K x  | (1) 16K x  | (1) 32K x  |
   |       |             |     8      |     4      |     8      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size |  J6  |  J7  |  J8  | J9  | J11  | J12  | J13  | J15 |
   |------+------+------+------+-----+------+------+------+-----|
   | 32KB | Open |1 & 2 |1 & 2 |1 & 2| Open | Open | Open |4 & 5|
   |------+------+------+------+-----+------+------+------+-----|
   | 64KB | Open |1 & 2 |1 & 2 |2 & 3|Closed| Open | Open |1 & 2|
   |------+------+------+------+-----+------+------+------+-----|
   |128KB |Closed|1 & 2 |2 & 3 |2 & 3|Closed| Open |Closed|4 & 5|
   |------+------+------+------+-----+------+------+------+-----|
   |256KB |Closed|2 & 3 |2 & 3 |2 & 3|Closed|Closed|Closed|5 & 6|
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CACHE TAG BIT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |      Bit size      |        J10         |
   |------------------+--------------------+--------------------|
   |       32KB       |         7          |        Open        |
   |------------------+--------------------+--------------------|
   |       32KB       |         8          | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       64KB       |         7          |        Open        |
   |------------------+--------------------+--------------------|
   |       64KB       |         8          | pins 5 & 6 closed  |
   |------------------+--------------------+--------------------|
   |      128KB       |         7          |        Open        |
   |------------------+--------------------+--------------------|
   |      128KB       |         8          | pins 4 & 5 closed  |
   |------------------+--------------------+--------------------|
   |      256KB       |         7          |        Open        |
   |------------------+--------------------+--------------------|
   |      256KB       |         8          | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CACHE TAG BIT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size        |        J3         |        J14         |
   |-------------------+-------------------+--------------------|
   |       7 bit       |       Open        | pins 1 & 2 closed  |
   |-------------------+-------------------+--------------------|
   |       8 bit       |      Closed       | pins 2 & 3 closed  |
   +------------------------------------------------------------+