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

   CH-386S-16/20/25G

   Processor             80386SX                                  
   Processor Speed       16/20/25MHz                              
   Chip Set              OPTI                                     
   Max. Onboard DRAM     16MB                                     
   Cache                 None                                     
   BIOS                  AMI                                      
   Dimensions            220mm x 220mm                            
   I/O Options           None                                     
   NPU Options           80387SX                                  

<gopher://bitreich.org/I/th99/m/C-D/30533-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J1    | Turbo switch     |    J4    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J2    | Turbo LED        |    J5    |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J3    | External battery |   J15    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | NPU mode select asynchronous     |   J6   |   Closed   |
   |   | with CPU                         |        |            |
   |---+----------------------------------+--------+------------|
   |   | NPU mode select synchronous with |   J6   |    Open    |
   |   | CPU                              |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select monochrome   |  J13   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select color        |  J13   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  J14   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  J14   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank 0  |  P-0   | Bank 1 |  P-1   | Bank  | Bank  |
   |       |         |        |        |        |   2   |   3   |
   |-------+---------+--------+--------+--------+-------+-------|
   | 512KB |   (4)   |  (2)   |  NONE  |  NONE  | NONE  | NONE  |
   |   1   |  44256  | 41256  |        |        |       |       |
   |-------+---------+--------+--------+--------+-------+-------|
   | 512KB |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  | NONE  |
   |   2   |         |        |        |        | 256K  |       |
   |       |         |        |        |        |  x 9  |       |
   |-------+---------+--------+--------+--------+-------+-------|
   | 1MB 1 |   (4)   |  (2)   |  (4)   |  (2)   | NONE  | NONE  |
   |       |  44256  | 41256  | 44256  | 41256  |       |       |
   |-------+---------+--------+--------+--------+-------+-------|
   | 1MB 2 |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
   |       |         |        |        |        | 256K  | 256K  |
   |       |         |        |        |        |  x 9  |  x 9  |
   |-------+---------+--------+--------+--------+-------+-------|
   | 1.5MB |   (4)   |  (2)   |  (4)   |  (2)   |  (2)  | NONE  |
   |       |  44256  | 41256  | 44256  | 41256  | 256K  |       |
   |       |         |        |        |        |  x 9  |       |
   |-------+---------+--------+--------+--------+-------+-------|
   | 2MB 1 |   (4)   |  (2)   |  (4)   |  (2)   |  (2)  |  (2)  |
   |       |  44256  | 41256  | 44256  | 41256  | 256K  | 256K  |
   |       |         |        |        |        |  x 9  |  x 9  |
   |-------+---------+--------+--------+--------+-------+-------|
   | 2MB 2 |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  | NONE  |
   |       |         |        |        |        | 1M x  |       |
   |       |         |        |        |        |   9   |       |
   |-------+---------+--------+--------+--------+-------+-------|
   | 2.5MB |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
   |       |         |        |        |        | 256K  | 1M x  |
   |       |         |        |        |        |  x 9  |   9   |
   |-------+---------+--------+--------+--------+-------+-------|
   |  3MB  |   (4)   |  (2)   |  (4)   |  (2)   |  (2)  | NONE  |
   |       |  44256  | 41256  | 44256  | 41256  | 1M x  |       |
   |       |         |        |        |        |   9   |       |
   |-------+---------+--------+--------+--------+-------+-------|
   |  4MB  |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
   |       |         |        |        |        | 1M x  | 1M x  |
   |       |         |        |        |        |   9   |   9   |
   |-------+---------+--------+--------+--------+-------+-------|
   |  5MB  |   (4)   |  (2)   |  (4)   |  (2)   |  (2)  |  (2)  |
   |       |  44256  | 41256  | 44256  | 41256  | 1M x  | 1M x  |
   |       |         |        |        |        |   9   |   9   |
   |-------+---------+--------+--------+--------+-------+-------|
   |  9MB  |   (4)   |  (2)   |  (4)   |  (2)   |  (2)  | NONE  |
   |       |  44256  | 41256  | 44256  | 41256  | 4M x  |       |
   |       |         |        |        |        |   9   |       |
   |-------+---------+--------+--------+--------+-------+-------|
   | 10MB  |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
   |       |         |        |        |        | 1M x  | 4M x  |
   |       |         |        |        |        |   9   |   9   |
   |-------+---------+--------+--------+--------+-------+-------|
   | 16MB  |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
   |       |         |        |        |        | 4M x  | 4M x  |
   |       |         |        |        |        |   9   |   9   |
   |------------------------------------------------------------|
   | Note:DIP locations and socket sizes are unverified.        |
   |                                                            |
   | Note 1 :See the next table for the corresponding setting   |
   | for this configuration.                                    |
   |                                                            |
   | Note 2 :See the next table for the corresponding setting   |
   | for this configuration.                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Size    |                       J7                       |
   |-----------+------------------------------------------------|
   |  512KB 1  |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |  512KB 2  |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |-----------+------------------------------------------------|
   |   1MB 1   |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |   1MB 2   |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |-----------+------------------------------------------------|
   |   1.5MB   |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |   2MB 1   |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |   2MB 2   |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |-----------+------------------------------------------------|
   |   2.5MB   |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |-----------+------------------------------------------------|
   |    3MB    |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |    4MB    |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |-----------+------------------------------------------------|
   |    5MB    |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |    9MB    |  pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15,   |
   |           |               and 17 & 18 closed               |
   |-----------+------------------------------------------------|
   |   10MB    |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |-----------+------------------------------------------------|
   |   16MB    |  pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,   |
   |           |               and 16 & 17 closed               |
   |------------------------------------------------------------|
   | Note 1 :See the previous table for the corresponding       |
   | setting for this configuration.                            |
   |                                                            |
   | Note 2 :See the previous table for the corresponding       |
   | setting for this configuration.                            |
   +------------------------------------------------------------+