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Compaq MPAC-18 manual Diagnostics and Troubleshooting, Self-Test Diagnostics

Models: MPAC-18

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Diagnostics and Troubleshooting

This section consists of “Self-Test Diagnostics,” “Troubleshooting,” and “Corrective Actions.” “Self-Test Diagnostics,” describes how to respond to errors that could be detected by the automatic self-test that is performed each time the DP027010 military computer powers up. “Troubleshooting” contains tables of symptoms, their possible causes, and recommended corrective actions. “Corrective Actions” contains detailed procedures that are too lengthy to include in the Troubleshooting tables.

Self-Test Diagnostics

The computer automatically performs self-test diagnostics each time it is powered up. The self-test consists of a series of checks that verify correct performance of the computer hardware. When the self- test is being performed, you will see the message XXXX KB OK displayed on the screen, where XXXX is a number that increases until it matches the amount of usable memory.

System Test and Initialization

These routines test and initialize board hardware. If the routines encounter an error during the tests, you will see an error message on the screen. There are two kinds of errors: fatal and non-fatal. If a non-fatal error occurs, the system can usually continue the boot up sequence. Non-fatal error messages usually appear on the screen with the following instruction:

press <F1> to RESUME

Write down the message and press the F1 key to continue the boot-up sequence. System Configuration Verification

These routines check the current system configuration against the values stored in the CMOS memory. If they don’t match, the program will generate an error message. To correct this condition, you will need to run the BIOS setup program and correct the configuration information in memory.

There are three situations in which you might need to change the CMOS settings:

1. You are starting your system for the first time.

2. You have changed the hardware attached to your system.

3. The CMOS memory had lost power and the configuration information has been erased.

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Copyright March 2003, Computer Dynamics, Inc.

All Rights Reserved

MPAC-18 Manual

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Compaq MPAC-18 manual Diagnostics and Troubleshooting, Self-Test Diagnostics

Contents

OPERATING AND SERVICE MANUAL PageMPAC-18 CopyrightTRADEMARKS COPYRIGHTSREVISION HISTORY Preliminary ReleasePreliminary Release Preliminary ReleaseTABLE OF CONTENTS I/O FEATURESFEATURE SUMMARY INSTALLATION GUIDELINESPower Jack TABLESTable 1 Unit Specifcations Table 2 Keyboard JackI/O features Interchangeable termsINTRODUCTION PageWarnings, Cautions, and Notes as Used in this Publication Feature Summary Standard Features & I/OFeature DescriptionInstallation Guidelines GeneralGrounding Bulkhead MountingClearances Power-up and Software Installation InstallationSystem Startup 13. You will be prompted for a password Login Recommendation Configuring the Military Computer to Run on a Microsoft Network 4. To modify the TCP/IP properties PageMPAC-18 Manual Copyright March 2003, Computer Dynamics, Inc All Rights ReservedB. In the Microsoft TCP/IP Properties, change the Address from 111.111.111.111 to a unique address and change the subnet mask from 255.0.0.0 to your subnet mask. If your networks IP addresses are controlled by a DHCP server, change the setting from Specify an IP address to Obtain an IP address from a DHCP Server 5. To add other protocols such as NetBEUI, on the Protocols tab of the Network dialog box, click Add. A list of available protocols will appear. Choose the protocol you wish to install and click OK. The system may ask where the Windows Setup files are located. They are in the C\I386\ directory Page MPAC-18 ManualCopyright March 2003, Computer Dynamics, Inc All Rights Reserved Installing Application Software Power Supply SectionHardware Circuit Breaker and ATX Switch Single Board Computer SBCP3/133TFT Graphic Display System Touch ScreenPower Input USB PortsKeyboard/Mouse Port Printer Port LPT-1 Serial Communication PortsFloppy & CD-ROM Installed Network Components Networking CommunicationsNetwork CommentsBIOS Settings Diagnostics and Troubleshooting Self-Test DiagnosticsTroubleshooting Power-up MaintenanceDisplay MemoryExternal PS/2 Mouse KeyboardNetwork Communications PrintingSymptom SolutionFigure 1. Front Plan View Figure 2. Bottom Plan View See the Appendix for I/O panel layoutPage MPAC-18 ManualFigure 3. Side Plan View Figure 4. Top Plan View PageMPAC-18 Manual Copyright March 2003, Computer Dynamics, Inc All Rights ReservedFigure 5. Back Plan View PageMPAC-18 Manual Copyright March 2003, Computer Dynamics, Inc All Rights ReservedFigure 6. Installation Diagram PageMPAC-18 Manual Copyright March 2003, Computer Dynamics, Inc All Rights ReservedSpecifications Table 1 Unit SpecifcationsVertical Connectors and Strapping Fields Figure 7. Pin configurationVIDEO INTERFACE 1 2 3 4Appendix I/O PageMPAC-18 Manual Copyright March 2003, Computer Dynamics, Inc All Rights ReservedI/O Layout and Pinout Configuration Figure 8. I/O Panel INSERT PICTURE AFTER FIRST BUILDPage MPAC-18 ManualTable 3 Parallel LPT-1 Jack Table 2 Keyboard JackTable 5 Power Jack Table 4 Ethernet JacksTable 6 USB Jack Table 7 Serial Jack, RS232 & RS485 RS232 Jack RS485 JackName ADDITIONAL READING COMPUTER DYNAMICS INCORPORATED 7640 Pelham Rd., Greenville, SC