How to turn the Watch Dog OFF | Eurotech Appliances CPU-1461

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Eurotech Appliances CPU-1461 user manual Directly accessing Watch Dog I/O mapped registers, How to turn the Watch Dog OFF

Contents

EmbeddedDNA CPU-1461User’s Manual COPYRIGHT 1994-2005 Eurotech S.p.A. All Rights Reserved PC/104-Plus - CPU-1461 Module Conventions Environmental safetyImportant features or IconPage Multifunction Connector Section ContentsContents Connectors Description Chapter 6 Troubleshooting Chapter 5 Watch Dog TimerChapter 4 The Set-up Program Appendix Chapter 1 Product Overview BIOS Flash Product DefinitionPower Supply Architecture Chapter 2 Jumper Description Default Jumper Layout and ConfigurationJumper # Type Chapter 3 Connectors Description Note in figure 2, a red square pad indicates pin 1 of each connector Connectors LayoutJ14 J16 J17 J4J5Page J4 for Multifunction and VGA CPU-1461Carrier Module Multifunction Connector Section ƒ System reset The Eurotech Multifunction Adapterƒ External Battery ƒ Speaker Supported CRT-VGA Video Resolutions VGA Section IDE/DOM J5 IDE Connector USB J7 for USB 2.0 Ports 5 and Power J9 Auxiliary Power ConnectorPower button input Auxiliary The Eurotech USB & AC97-Audio Codec Adapter J14 for USB 1.1 Ports 7 and 8 and Audio-CODEC Aux IN CD IN To J14 CPU Board ConnectorAux IN SpkPhone IN/OUT J16 for USB 2.0 Ports 1to J17 for SERIAL1 and SERIAL2 Ethernet J20 for Ethernet The Eurotech Ethernet Transceiver To CPU Board NetConnectorRJ45 Connector Chapter 4 The Set-up Program Select “Quit” to exit from the Setup program Use the cursor arrow keys to move the highlight to other optionsPress the “ESC” key to return to the items of the Main menu The follow screen will be displayed General Page The Set-up pages Time Quick BootDate Floppy disks Devices Page Boot Try SequenceFloppy Controller Video Controller Primary and secondary EIDEAC97 Controller Network Serial Ports 1 and Communications Page Parallel Port VP2000 and VT100Parallel Port Mode ATAPI unit type Primary and Secondary ATAPI Page Translation Mode PIO ModeCylinders Heads Detect Now Advanced page PCI Advanced Page ISA IRQLatency Time Devices ISA Bus Error Handling Page Error on Video Error on KeyboardError on Floppy Disks Error on Fixed DisksPage This chapter explains how to use the Watch Dog timer Chapter 5 Watch Dog Timer How to use the Watch Dog What is a Watch Dog?Use the System BIOS INT 52h functions How to turn the Watch Dog ON Directly accessing Watch Dog I/O mapped registers How to turn the Watch Dog OFFUse the following code to Enable Watch Dog Use following code to refresh the Watch Dog Chapter 6 Troubleshooting Troubleshooting a PC/104 System Common Problems and SolutionsTechnical/Sales Assistance CPU Module doesn’t work ftp//ftp.eurotech.it Returning For ServicePage Company Name Page Appendix Operating Characteristics A.1 Electrical and Environmental SpecificationsElectrical Operating Characteristics Backup Battery Characteristics MTBF Mean Time Between Failures Absolute Maximum Ratings The CPU-1461 mechanical dimensions are shown in the following picture A.2 Mechanical Dimensions¾ Dimensions 90 X 96 mm 3.6”X3.8” CPU-1461 Board dimensions Ethernet Adapter Dimensions USB Audio Codec Dimensions Multifunction Adapter Dimensions A.3 Safety Summary62.0 12.0 Observe Dangerous Procedure Warnings Use Caution When Exposing or Handling the CRTGround the Instrument Do Not Operate in an Explosive Atmosphere Disclaimer of Warranty ReliabilityLife Support Policy B BIOS GlossaryA ATA ATAPI C CELLULAR G GPS MPEG M MIDIN NDIS NTSC S SCSI R RAMSECAM SMBus W WAN V VGA Acronyms and Abbreviations Page Technical & Sales Assistance techsupp@eurotech.itftp//ftp.eurotech.it