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

   CH-386S-16C/D

   Processor         80386SX                                      
   Processor Speed   16MHz                                        
   Chip Set          C & T                                        
   Max. onboard DRAM 8MB                                          
   Cache             None                                         
   BIOS              AMI/Phoenix                                  
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/C-D/31616-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |   JP5    | Reset switch   |   JP13   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   JP9    | Turbo switch   |   JP14   |
   |---------------------+----------+----------------+----------|
   | Speaker             |   JP10   | Turbo LED      |   JP15   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Battery select onboard    |      JP4      |   Closed   |
   |---+---------------------------+---------------+------------|
   |   | Battery select external   |      JP4      |    Open    |
   |---+---------------------------+---------------+------------|
   |>> | CPU speed select iOSC/2   |     JP16      | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | CPU speed select iOSC/1   |     JP16      | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color | SW1/switch 1  |     On     |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       | SW1/switch 1  |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | DRAM memory operation     | SW1/switch 2  |     On     |
   |   | select 100ms              |      & 3      |            |
   |---+---------------------------+---------------+------------|
   |   | DRAM memory operation     | SW1/switch 2  |    Off     |
   |   | select 120ms              |      & 3      |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank 0  | Bank 1  | Bank 2  | Bank 3  |   JP21 -   |
   |       |         |         |         |         |    JP26    |
   |-------+---------+---------+---------+---------+------------|
   | 512KB |  (18)   |  NONE   |  NONE   |  NONE   | pins 2 & 3 |
   |       |  41256  |         |         |         |   closed   |
   |-------+---------+---------+---------+---------+------------|
   |  1MB  |  (18)   |  (18)   |  NONE   |  NONE   | pins 2 & 3 |
   |       |  41256  |  41256  |         |         |   closed   |
   |-------+---------+---------+---------+---------+------------|
   | 1.5MB |  (18)   |  (18)   |   (2)   |  NONE   | pins 1 & 2 |
   |       |  41256  |  41256  | 256K x  |         |   closed   |
   |       |         |         |    9    |         |            |
   |-------+---------+---------+---------+---------+------------|
   |  2MB  |  (18)   |  (18)   |   (2)   |   (2)   | pins 1 & 2 |
   |       |  41256  |  41256  | 256K x  | 256K x  |   closed   |
   |       |         |         |    9    |    9    |            |
   |-------+---------+---------+---------+---------+------------|
   |  2MB  |  (18)   |  NONE   |  NONE   |  NONE   | pins 2 & 3 |
   |       | 411000  |         |         |         |   closed   |
   |-------+---------+---------+---------+---------+------------|
   | 2.5MB |  (18)   |  (18)   |   (2)   |  NONE   | pins 1 & 2 |
   |       |  41256  |  41256  | 256K x  |         |   closed   |
   |       |         |         |    9    |         |            |
   |-------+---------+---------+---------+---------+------------|
   |  3MB  |  (18)   |  (18)   |   (2)   |   (2)   | pins 1 & 2 |
   |       |  41256  |  41256  | 256K x  | 256K x  |   closed   |
   |       |         |         |    9    |    9    |            |
   |-------+---------+---------+---------+---------+------------|
   |  4MB  |  (18)   |  (18)   |  NONE   |  NONE   | pins 2 & 3 |
   |       | 411000  | 411000  |         |         |   closed   |
   |-------+---------+---------+---------+---------+------------|
   |  5MB  |  (18)   |  (18)   |   (2)   |  NONE   | pins 1 & 2 |
   |       | 411000  | 411000  | 256K x  |         |   closed   |
   |       |         |         |    9    |         |            |
   |-------+---------+---------+---------+---------+------------|
   |  6MB  |  (18)   |  (18)   |   (2)   |   (2)   | pins 1 & 2 |
   |       | 411000  | 411000  | 256K x  | 256K x  |   closed   |
   |       |         |         |    9    |    9    |            |
   |-------+---------+---------+---------+---------+------------|
   |  6MB  |  (18)   |  (18)   | (2) 1M  |  NONE   | pins 1 & 2 |
   |       | 411000  | 411000  |   x 9   |         |   closed   |
   |-------+---------+---------+---------+---------+------------|
   |  8MB  |  (18)   |  (18)   | (2) 1M  | (2) 1M  | pins 1 & 2 |
   |       | 411000  | 411000  |   x 9   |   x 9   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    TURBO CONFIGURATION                     |
   |------------------------------------------------------------|
   |          Mode          |  JP1   |  JP2   |  JP3   |  JP12  |
   |------------------------+--------+--------+--------+--------|
   |   Phoenix & AMI BIOS   |  Open  | Closed |  Open  |  N/A   |
   |   8742 turbo pin 32    |        |        |        |        |
   |------------------------+--------+--------+--------+--------|
   |   Phoenix & AMI BIOS   | Closed |  Open  |  Open  |  N/A   |
   |   8742 turbo pin 27    |        |        |        |        |
   |------------------------+--------+--------+--------+--------|
   |   Phoenix & AMI BIOS   | Closed | Closed | Closed |  N/A   |
   |   8742 turbo pin 23    |        |        |        |        |
   |------------------------+--------+--------+--------+--------|
   |  Active high for AMI   | Closed | Closed |  Open  | pins 1 |
   |          BIOS          |        |        |        |  & 2   |
   |------------------------+--------+--------+--------+--------|
   | Active low for Phoenix | Closed | Closed |  Open  | pins 2 |
   |          BIOS          |        |        |        |  & 3   |
   +------------------------------------------------------------+