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.