DECISION COMPUTER INTERNATIONAL CO., LTD.
=========================================

   IPCCPU

   Processor        Z80                                           
   Processor Speed  9.83MHz                                       
   Chipset          Unidentified                                  
   Maximum Onboard  32KB SRAM/32KB EPROM                          
   Memory           
   BIOS             Unidentified                                  
   Video Chipset    Unidentified                                  
   Maximum Video    Unidentified                                  
   Memory           
   Video Types      LCD display                                   
   Supported        
   Highest          4 x 20 (text only)                            
   Resolution       
   Supported        
   I/O Options      Serial ports (2), LCD video out, expansion    
                    bus                                           
   Dimensions       80 x 100mm                                    

<gopher://bitreich.org/I/th99/m/C-D/34021-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function         | Label  |    Function     | Label |
   |-------------------------+--------+-----------------+-------|
   | External battery        |  JP6   | Expansion bus   |  P7   |
   | connector               |        |                 |       |
   |-------------------------+--------+-----------------+-------|
   | 5V DC power in          |   P1   | Reset switch    |  P9   |
   |-------------------------+--------+-----------------+-------|
   | Generic serial port 2   |   P3   | LCD video out   |  P10  |
   |-------------------------+--------+-----------------+-------|
   | Generic serial port 1   |   P4   | IC5 voltage     |  RV1  |
   |                         |        | adjustment      |       |
   |-------------------------+--------+-----------------+-------|
   | Keyboard connector      |   P5   | LCD contrast    |  RV2  |
   | (IPCKEY/IPCKEYM)        |        | adjustment      |       |
   |------------------------------------------------------------|
   | Note:RV1 should be adjusted so that pin 4 of IC5 is 1.3V   |
   | and pin 5 is equal to the voltage going into P1. P3 and P4 |
   | are not RS-232 serial. The interface type is provided by   |
   | one of the boards on the sections for the IPC232ST,        |
   | IPC232CL, and IPC422/485 cards.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                 | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | System interrupt timers enabled    |  JP1  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |   | System interrupt timers disabled   |  JP1  |   Open    |
   |---+------------------------------------+-------+-----------|
   |>> | MAX960 chip not installed in IC5   |  JP2  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |   | MAX960 chip installed in IC5       |  JP2  |   Open    |
   |---+------------------------------------+-------+-----------|
   |>> | Watchdog timer disabled            |  JP3  |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | Watchdog timer enabled             |  JP3  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | Power fail interrupt disabled      |  JP4  |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | Power fail interrupt enabled       |  JP4  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | Real-time clock interrupt disabled |  JP5  |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | Real-time clock interrupt enabled  |  JP5  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | Keyboard enabled                   |  JP7  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Keyboard disabled                  |  JP7  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   +------------------------------------------------------------+

   Card Type         Serial                                       
   Chipset           Unidentified                                 
   I/O Options       Serial port                                  

<gopher://bitreich.org/I/th99/m/C-D/34021-2.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | Header to main board |  P1   | RS-232 or current   |  P3   |
   | P3 or P4             |       | loop serial port    |       |
   |----------------------+-------+---------------------+-------|
   | DC power in          |  P2   |                     |       |
   +------------------------------------------------------------+

   IPCCPU (IPC422/485 SERIAL CARD)

   Card Type         Serial                                       
   Chipset           Unidentified                                 
   I/O Options       Serial port                                  

<gopher://bitreich.org/I/th99/m/C-D/34021-3.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function         | Label |     Function     | Label |
   |-------------------------+-------+------------------+-------|
   | Header to main board P3 |  P1   | RS-422 or RS-485 |  P3   |
   | or P4                   |       | serial port      |       |
   |-------------------------+-------+------------------+-------|
   | DC power in             |  P2   |                  |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |     Setting      |        JP2         |        JP3         |
   |------------------+--------------------+--------------------|
   |      RS-422      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |      RS-485      | Pins 1 & 2 closed  |        Open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 RECEIVER ENABLE SELECTION                  |
   |------------------------------------------------------------|
   |          Setting          |  JP1/A   |  JP1/B   |  JP1/C   |
   |---------------------------+----------+----------+----------|
   |   RTS enables receiver    |  Closed  |   Open   |   Open   |
   |---------------------------+----------+----------+----------|
   |   DTR enables receiver    |   Open   |   Open   |  Closed  |
   |---------------------------+----------+----------+----------|
   |  Receiver always enabled  |   Open   |  Closed  |   Open   |
   |------------------------------------------------------------|
   | Note:The receiver may not be always enabled in RS-485      |
   | mode.                                                      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   | No information is available on the IPC232FS card.          |
   +------------------------------------------------------------+