
Table 2. System Beep Codes
System Messages
The first column in Table 3 lists (in alphabetical order) system messages that may appear on the screen during the boot routine or during normal
system operation. The second column in the table lists probable causes of the messages, and the third column either provides a corrective action
or refers you to a source for resolving the problem.
Table 3. System Messages
Refer to Chapter 7, "Getting Help," of the Reference and
Troubleshooting Guide for instructions on obtaining technical
assistance.
8742 keyboard controller error
Reseat the keyboard connector.
Memory defective or not
present
RAM failure on data bits xxx of
low byte on memory bus
RAM failure on data bits xxx of
high byte on memory bus
nnnn KB of system cache RAM has been
successfully tested.
nnnn KB of extended RAM has been
successfully tested.
nnnn KB of shadow RAM has been
successfully tested.
nnnn KB of system RAM has been successfully
tested.
The system's automatic drive-type detection
feature has identified the CD-ROM drive.
Diskette drive A error
Diskette drive B error
Drive A or B is present but has failed the BIOS
POST.
Ensure that the drive is installed correctly in the
chassis and defined correctly in the system
setup program.
The system is starting the system setup
program.
Extended RAM Failed at offset:
nnnn
Extended memory is not working correctly or is
not configured correctly at offset nnnn.
If you receive this message after making
changes in the system setup program, enter the
program and restore the original value(s).
nnnn is a map of the bits at the RAM address
(in system, extended, or shadow memory) that
failed the memory test. Each "1" in the map
indicates a failed bit.
If you receive this message after making
changes in the system setup program, enter the
program and restore the original value(s).
Fixed Disk n Failure
Fixed Disk Controller Failure
The hard-disk drive specified by n is not
working or not configured correctly.
Ensure that the drive is installed correctly in the
chassis and defined correctly in the system
setup program.
The system's automatic drive-type detection
feature has identified the hard-disk drive(s).
Incorrect Drive x type - Run SETUP
Diskette drive x is not correctly identified in the
system setup program.
Ensure that the drive is defined correctly in the
system setup program.
The system is having a problem accessing
NVRAM (CMOS).
Set the configuration jumper to Maintenance
mode and restart the system to return all
settings to their defaults.
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