What is a Watch Dog? | Eurotech Appliances CPU-1461 guide

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Eurotech Appliances CPU-1461 What is a Watch Dog?, How to use the Watch Dog, Use the System BIOS INT 52h functions

Contents

CPU-1461 EmbeddedDNAUser’s Manual COPYRIGHT 1994-2005 Eurotech S.p.A. All Rights Reserved PC/104-Plus - CPU-1461 Module Environmental safety ConventionsImportant features or IconPage Contents Multifunction Connector SectionContents Connectors Description Chapter 5 Watch Dog Timer Chapter 6 TroubleshootingChapter 4 The Set-up Program Appendix Chapter 1 Product Overview Product Definition BIOS FlashPower Supply Architecture Chapter 2 Jumper Description Jumper Layout and Configuration DefaultJumper # Type Chapter 3 Connectors Description Connectors Layout Note in figure 2, a red square pad indicates pin 1 of each connectorJ14 J16 J17 J4J5Page Carrier Module J4 for Multifunction and VGACPU-1461 Multifunction Connector Section The Eurotech Multifunction Adapter ƒ System resetƒ External Battery ƒ Speaker VGA Section Supported CRT-VGA Video Resolutions J5 IDE Connector IDE/DOM J7 for USB 2.0 Ports 5 and USB J9 Auxiliary Power Connector PowerPower button input Auxiliary J14 for USB 1.1 Ports 7 and 8 and Audio-CODEC The Eurotech USB & AC97-Audio Codec Adapter To J14 CPU Board Connector Aux IN CD INAux IN SpkPhone IN/OUT J16 for USB 2.0 Ports 1to J17 for SERIAL1 and SERIAL2 J20 for Ethernet Ethernet RJ45 Connector The Eurotech Ethernet TransceiverTo CPU Board NetConnector Chapter 4 The Set-up Program Press the “ESC” key to return to the items of the Main menu Select “Quit” to exit from the Setup programUse the cursor arrow keys to move the highlight to other options The follow screen will be displayed The Set-up pages General Page Quick Boot TimeDate Floppy disks Floppy Controller Devices PageBoot Try Sequence Primary and secondary EIDE Video ControllerAC97 Controller Network Communications Page Serial Ports 1 and Parallel Port Mode Parallel PortVP2000 and VT100 Primary and Secondary ATAPI Page ATAPI unit type PIO Mode Translation ModeCylinders Heads Advanced page Detect Now Latency Time Devices PCI Advanced PageISA IRQ Error Handling Page ISA Bus Error on Keyboard Error on VideoError on Floppy Disks Error on Fixed DisksPage Chapter 5 Watch Dog Timer This chapter explains how to use the Watch Dog timer What is a Watch Dog? How to use the Watch DogUse the System BIOS INT 52h functions How to turn the Watch Dog ON Use the following code to Enable Watch Dog Directly accessing Watch Dog I/O mapped registersHow to turn the Watch Dog OFF Use following code to refresh the Watch Dog Chapter 6 Troubleshooting Common Problems and Solutions Troubleshooting a PC/104 SystemTechnical/Sales Assistance CPU Module doesn’t work Returning For Service ftp//ftp.eurotech.itPage Company Name Page Appendix A.1 Electrical and Environmental Specifications Operating CharacteristicsElectrical Operating Characteristics Backup Battery Characteristics Absolute Maximum Ratings MTBF Mean Time Between Failures A.2 Mechanical Dimensions The CPU-1461 mechanical dimensions are shown in the following picture¾ Dimensions 90 X 96 mm 3.6”X3.8” CPU-1461 Board dimensions USB Audio Codec Dimensions Ethernet Adapter Dimensions A.3 Safety Summary Multifunction Adapter Dimensions62.0 12.0 Use Caution When Exposing or Handling the CRT Observe Dangerous Procedure WarningsGround the Instrument Do Not Operate in an Explosive Atmosphere Life Support Policy Disclaimer of WarrantyReliability Glossary B BIOSA ATA ATAPI C CELLULAR G GPS M MIDI MPEGN NDIS NTSC R RAM S SCSISECAM SMBus V VGA W WAN Acronyms and Abbreviations Page ftp//ftp.eurotech.it Technical & Sales Assistancetechsupp@eurotech.it