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Compaq EN Series Technical Reference Manual page 9

Desktop and minitower form factors
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Technical Reference Guide
8.3
MEMORY DETECTION AND CONFIGURATION.............................................................. 8-3
8.4
DESKTOP MANAGEMENT SUPPORT ............................................................................... 8-4
8.4.1
SYSTEM ID................................................................................................................... 8-6
8.4.2
SYSTEM INFORMATION TABLE ............................................................................... 8-6
8.4.3
EDID RETRIEVE ........................................................................................................ 8-13
8.4.4
DRIVE FAULT PREDICTION..................................................................................... 8-13
8.4.5
SYSTEM MAP RETRIEVAL....................................................................................... 8-14
8.4.6
FLASH ROM FUNCTIONS ......................................................................................... 8-15
8.4.7
POWER BUTTON FUNCTIONS ................................................................................. 8-15
8.4.8
ACCESSING CMOS.................................................................................................... 8-16
8.4.9
ACCESSING CMOS FEATURE BITS......................................................................... 8-16
8.4.10
SECURITY FUNCTIONS ............................................................................................ 8-18
8.5
PNP SUPPORT .................................................................................................................... 8-19
8.5.1
SMBIOS....................................................................................................................... 8-20
8.6
POWER MANAGEMENT FUNCTIONS ............................................................................ 8-21
8.6.1
INDEPENDENT PM SUPPORT .................................................................................. 8-21
8.6.2
ACPI SUPPORT........................................................................................................... 8-21
8.6.3
APM SUPPORT ........................................................................................................... 8-22
8.7
USB LEGACY SUPPORT ................................................................................................... 8-24
8.8
BIOS UPGRADING............................................................................................................. 8-24
APPENDIX A ERROR MESSAGES AND CODES...............................................................................
A.1
INTRODUCTION................................................................................................................. A-1
A.2
POWER-ON MESSAGES..................................................................................................... A-1
A.3
BEEP/KEYBOARD LED CODES ........................................................................................ A-1
A.4
POWER-ON SELF TEST (POST) MESSAGES.................................................................... A-2
A.5
A.6
A.7
A.8
A.9
A.10
A.11
A.12
A.13
A.14
A.15
A.16
A.17
A.18
A.19
A.20
CEMM PRIVILEDGED OPS ERROR MESSAGES........................................................ A-12
A.21
CEMM EXCEPTION ERROR MESSAGES ................................................................... A-12
APPENDIX B ASCII CHARACTER SET .............................................................................................
B.1
INTRODUCTION..................................................................................................................B-1
vi
Compaq Deskpro EN Series of Personal Computers
Desktop and Minitower Form Factors
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, 66
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Third Edition-- September1998
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, 67
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