
DECISION COMPUTER INTERNATIONAL CO., LTD.

IPCCPU

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

[Image]

                                CONNECTIONS

           Function             Label           Function          Label

  External battery connector     JP6      Expansion bus             P7

  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

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  Header to main board P3      P1      RS-232 or current loop       P3
  or P4                                serial port

  DC power in                  P2

IPCCPU (IPC422/485 SERIAL CARD)

Card Type   Serial
Chipset     Unidentified
I/O Options Serial port

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  Header to main board P3      P1      RS-422 or RS-485 serial       P3
  or P4                                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           Closed            Open             Open
       receiver

      DTR enables            Open             Open            Closed
       receiver

    Receiver always          Open            Closed            Open
       enabled

  Note:The receiver may not be always enabled in RS-485 mode.

             MISCELLANEOUS TECHNICAL NOTE

  No information is available on the IPC232FS card.

