Technical Reference Guide
Compaq Deskpro 4000 and 6000 Personal Computers
featuring the Pentium II Processor
First Edition –- October1997
vi
CHAPTER 8 BIOS ROM .......................................................................................................................
8.1 INTRODUCTION.................................................................................................................. 8-1
8.2 BOOT FUNCTIONS..............................................................................................................8-2
8.2.1 BOOT BLOCK............................................................................................................... 8-2
8.2.2 QUICKBOOT.................................................................................................................8-2
8.2.3 SILENTBOOT ............................................................................................................... 8-2
8.3 ACCESSING CONFIGURATION MEMORY....................................................................... 8-3
8.3.1 ACCESSING CMOS...................................................................................................... 8-3
8.3.2 SETTING DEFAULT PARAMETERS .......................................................................... 8-3
8.3.3 ACCESSING CMOS FEATURE BITS........................................................................... 8-4
8.4 CLIENT MANAGEMENT SUPPORT................................................................................... 8-5
8.4.1 SYSTEM ID................................................................................................................... 8-7
8.4.2 SYSTEM INFORMATION TABLE............................................................................... 8-7
8.4.3 DRIVE FAULT PREDICTION..................................................................................... 8-12
8.4.4 DIMM SUPPORT......................................................................................................... 8-13
8.4.5 SECURITY FUNCTIONS............................................................................................ 8-15
8.4.6 ACCESSING CMOS FEATURE BITS......................................................................... 8-16
8.5 PNP SUPPORT.................................................................................................................... 8-17
8.6 POWER MANAGEMENT SUPPORT ................................................................................. 8-18
APPENDIX A ERROR MESSAGES AND CODES...............................................................................
A.1 INTRODUCTION.................................................................................................................A-1
A.2 POWER-ON MESSAGES..................................................................................................... A-1
A.3 BEEP CODE MESSAGES.................................................................................................... A-1
A.4 POWER-ON SELF TEST (POST) MESSAGES.................................................................... A-2
A.5 PROCESSOR ERROR MESSAGES
(1
XX
-
XX
)....................................................................... A-3
A.6 MEMORY ERROR MESSAGES (2
XX
-
XX
)........................................................................... A-4
A.7 KEYBOARD ERROR MESSAGES (30
X
-
XX
)....................................................................... A-4
A.8 PRINTER ERROR MESSAGES (4
XX
-
XX
)............................................................................ A-5
A.9 VIDEO (GRAPHICS) ERROR MESSAGES (5
XX
-
XX
).......................................................... A-5
A.10 DISKETTE DRIVE ERROR MESSAGES (6
XX
-
XX
) ......................................................... A-6
A.11 SERIAL INTERFACE ERROR MESSAGES (11
XX
-
XX
)................................................... A-6
A.12 MODEM COMMUNICATIONS ERROR MESSAGES (12
XX
-
XX
).................................... A-7
A.13 HARD DRIVE ERROR MESSAGES (17
XX
-
XX
)............................................................... A-8
A.14 HARD DRIVE ERROR MESSAGES (19
XX
-
XX
)............................................................... A-9
A.15 VIDEO (GRAPHICS) ERROR MESSAGES (24
XX
-
XX
) .................................................... A-9
A.16 AUDIO ERROR MESSAGES (3206-
XX
)......................................................................... A-10
A.17 NETWORK INTERFACE ERROR MESSAGES (60
XX
-
XX
) ........................................... A-10
A.18 SCSI INTERFACE ERROR MESSAGES (65
XX
-
XX
, 66
XX
-
XX
, 67
XX
-
XX
) ....................... A-11
A.19 POINTING DEVICE INTERFACE ERROR MESSAGES (8601-
XX
).............................. A-11
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
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