Advantech PCM-3350 Series user manual Programming Watchdog Timer

Page 67

APPENDIX

A

Programming the

Watchdog Timer

The PCM-3350 is equipped with a watchdog timer that resets the CPU or generates an interrupt if processing comes to a standstill for any reason. This feature ensures system reliability in industrial standalone or unmanned environments.

Image 67

Contents PCM-3350 Series Acknowledgements Copyright noticePacking list Contents Software Configuration Appendix a Programming the Watchdog Timer Appendix D System Assignments Figures Tables Page General Information Introduction Features Standard SBC functions SpecificationsVGA function Solid state disk Ethernet functionMechanical and environmental PCM-3350 dimensions Board dimensionsInstallation Label Function ConnectorsLocating connectors Network boot Safety precautionsEthernet connector CN1 PCM-3350F/N only Ethernet connector CN11 RS-232 connection COM1 CN3 Serial ports CN3 COM1 CN4 COM2/RS-232 CN18 COM2/RS-422/4852 RS-232/422/485 connection COM2 CN4 RS-232 CN18 RS-422/485 PC/104 connector CN6 Eide HDD connector CN5Connecting the hard drive Main power +5 V / +12 V connector CN11 Parallel port connector CN7Backlight connector CN8 VGA connector CN9FDD connector CN14 13 PS/2 keyboard/mouse connector CN12Connecting the floppy drive CompactFlash socket CN16 USB connector CN17Multifunction Jumpers MJ1 Auxilary power connector MJ1-AWatchdog timer configuration MJ1-E Fan connector MJ1-BReset button connector MJ1-C IR connector MJ1-DSO Dimm socket Slot1 Installing SODIMMsInstallation Page Software Configuration Utility CD disk VGA display software configurationMake sure that you do not run AWDFLASH.EXE Connections for Toshiba LTM10C042640 x 480 TFT color LCD Connections for two standard LCDsConnections for Toshiba LTM12C275A Connections for Toshiba LTM12C275A 800 x 600 TFT color LCDPage Award Bios Setup System test and initialization System configuration verificationEntering setup Cmos setup screen Standard Cmos setupBios features setup Bios features setupChipset Chipset features setupPower management setup Power management setupPnP/PCI configuration 6 PnP/PCI configurationIntegrated peripherals Integrated peripheralsEnter Password Change passwordExit without saving Save & exit setupPage PCI Bus Ethernet Interface Installation of Ethernet driver Installation for Windows 98/2000 \PC104\3350\LAN\82559ER\W9x&w2k Correct path for Windows NT is Further information Svga Setup Display memory Chipset\PC104\3350\VGA\Win9xc40 Page Svga Setup Choose Yes, then click Finish to restart the computer Installation for Windows NT Press the Change... button Click on the Have Disk... button Select the highlighted item. b. Press OK Press Yes to proceed Press OK to reboot Svga Setup Further information Programming Watchdog Timer Programming the watchdog timer REM Subroutine #1, takes 1 second to complete Page Installing PC/104 Modules Installing PC/104 modules Figure B-2 PC/104 module dimensions mm ±0.1 Low active Pin Assignments Ethernet connector CN1 LCD connector CN2 COM2 connector CN4 COM1 connector CN3Eide hard drive connector CN5 For details on PC/104 connectors, please refer to Appendix B GND Backlight Enable 11 PS/2 keyboard/mouse connector CN12 Main power +5 V connector CN11Index USB connector CN17 13CompactFlash socket CN16 Figure C-1 CompactFlash socket Multifunction Jumpter MJ1 14 COM2 connector for 422/485 CN18Low active Page System Assignments Addr. range Hex Device System I/O portsDMA channel assignments Interrupt# Interrupt source Interrupt assignments1st MB memory map VGA Bios