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Advantech PPC-S123 Programming the Watchdog Timer, APPENDIX

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APPENDIX

Programming the Watchdog Timer

The PPC-S123 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.

Contents

PPC-S123 User’s Manual Copyright notice FCC Class B Packing List Additional Information and Assistance Safety Instructions Wichtige Sicherheishinweise CHAPTER 1 GENERAL INFORMATION 1.1 Introduction 1.2 General Specifications 1.3 LCD Specifications 1.4 Dimensions CHAPTER 4 JUMPER SETTINGS AND CONNECTORS 4.1 Jumpers and Connectors 4.2 CMOS Clear for External RTC (JP7) 4.3 COM-portInterface CHAPTER 7 AUDIO 7.1 Introduction 7.2 Installation of Audio Driver CHAPTER 8 AWARD BIOS SETUP 8.1 Award BIOS Setup APPENDIX A PROGRAMMING THE WATCHDOG TIMER A.1 Programming the Watchdog Timer APPENDIX B FULL DISASSEMBLY PROCEDURES Figure B-6:Remove the CPU board, power board and General Information 1.1 Introduction 1.2 General Specifications Flat panel interface Audio function •Audio interface: Line-in, Line-out PCI bus Ethernet interface Ethernet interface: •100/10Base-T auto-sensingcapability Touchscreen (optional) Optional modules Environment 1.3 LCD Specifications 1.4 Dimensions SYSTEM SETUP 2.1 A Quick Tour of the Panel PC CPU heat sink HDD Carrier Power Switch Fuse Figure 2-3shows the I/O section and power inlet of the panel PC 2.2 Installation Procedures 2.3 Running the BIOS Setup Program 2.4 Installing System Software 2.5 Installing the Drivers Page Hardware and Peripheral Installation 3.1Overview of Hardware Installation and Upgrading 3.2 Installing the 2.5" Hard Disk Drive (HDD) Page 3.3Installing the Central Processing Unit (CPU) and SDRAM Memory Module Page Page Page Page Page 3.4Floppy drive and 2nd hard drive/CD-ROMinstallation 3.4.2 2nd hard drive or CD-ROMdrive installation 3.5 Adapter cable installation •Jumpers and Connectors •CMOS Clear for External RTC (JP7) •COM-portInterface •VGA Interface •Watchdog Timer Configuration 4.1 Jumpers and Connectors 4.1.2 Jumpers and switch 4.1.3 Locating jumpers and switch 4.1.4 Connectors 4.1.5 Locating connectors 4.2 CMOS Clear for External RTC (JP7) 4.3COM-portInterface Page 4.4 VGA Interface 4.5 Watchdog Timer Configuration PCI Bus Ethernet Interface 5.1 Introduction 5.2 Installation of Ethernet Driver Page Page Page Page Page 5.3 Further Information AGP SVGA Setup 6.1 Introduction 6.2 Installation of SVGA Driver 6.2.1 Installation for Windows 6.2.2 Installation for Windows NT Page Page 6.2.3 Installation for Windows 6.2.4 Installation for Windows ME 6.3 Further Information Page Audio 7.1 Introduction 7.2 Installation of Audio Driver Page Page Page Page 6. Press the “Restart Now” button to reboot your computer 7.2.3 Installation for Windows 2000/ME Page Award BIOS Setup 8.1 Award BIOS Setup 8.2 CMOS Setup Utility 8.3 Standard CMOS Setup 8.3.1 Hard disk configurations TYPE SIZE CYLS HEAD 8.4 BIOS Features Setup External Cache CPU L2 Cache ECC Checking Quick Power On Self Test Boot From LAN First Boot Sequence Swap Floppy Drive Boot Up Floppy Seek Boot Up NumLock Status Typematic Rate Setting Typematic Rate (Chars/Sec) PS/2 Mouse Function Control PCI/VGA Palette Snoop OS Select For DRAM > 64MB Report No FDD For WIN Video BIOS Shadow 8.5 Chipset Features Setup System BIOS Cacheable Video BIOS Cacheable Video RAM Cacheable 16 Bit I/O Recovery Time Memory Hole at 15M-16M 8.6 Power Management Setup Video Off Method MODEMUseIRQ Doze Mode StandbyMode Suspend Mode 8.7 PNP/PCI Configuration Setup 8.8 Load BIOS Defaults 8.9 Load Setup Defaults 8.10 Integrated Peripherals Primary/Secondary Master/Slave Ultra DMA Onboard FDD Controller Onboard Serial Ports 1 & Onboard Serial Ports 3 & 8.11 Password Setting 8.12 IDE HDD Auto Detection 8.13 Save and Exit Setup 8.14 Exit Without Saving Page Touchscreen 9.1 Introduction 9.2Installation of Touchscreen Drivers 9.2.1 Installation for Windows 98/ME Page 6. Click "Next 7. Click "Next Page 9.2.2 Installation for Windows NT Page Page Page Page 9.2.2 Installation for Windows Page Page Page Programming the Watchdog Timer A.1 Programming the Watchdog Timer The following example shows how you might program the watchdog timer in BASIC: Page Full Disassembly Procedures Page Page Page Page Page I/O Pin Assignments C.1 Keyboard connector (CN8-1) C.2 Mouse connector (CN8-2) C.3 COM1 RS-232serial port (CN1) C.4 COM3 RS-232serial port (CN4) C.5 COM4 RS-232serial port (CN5) C.6 COM2 (CN2) C.7 Parallel port connector (CN3)