Diagnostic Codes, Beep Codes, and Error Messages 3-5
CD ROM drive 
Identified
System’s automatic 
drive-type detection 
feature identified 
CD-ROM drive.
No action necessary.
Diskette drive A 
error
Drive A present but  
failed BIOS POST.
Ensure that drive is 
installed correctly and 
defined correctly in  
system setup program.
Entering Setup System is starting sys-
tem setup program.
No action necessary.
Extended RAM 
Failed at off-
set: 
nnnn
Extended memory not 
working correctly or not 
configured correctly at 
offset 
nnnn
.
Enter system setup 
program and restore 
original value(s).
Failing Bits: 
nnnn
nnnn
 is a map of the 
bits at the RAM address 
(in system, extended, or 
shadow memory) that 
failed memory test. 
Each “1” in the map 
indicates a failed bit.   
Enter system setup 
program and restore 
original value(s).
Fixed Disk 
n
 
Failure
Fixed Disk Con-
troller Failure
Hard-disk drive speci-
fied by
 
n
 not working or 
not configured correctly.
Ensure that drive is 
installed correctly and 
defined correctly in 
system setup program.
Fixed Disk 
n
 
Identified
System’s automatic 
drive-type detection fea-
ture identified hard-disk 
drive(s).
No action necessary.
Incorrect Drive 
x
 
type - Run SETUP
Diskette drive x not cor-
rectly identified in 
system setup program.
Ensure that drive is 
defined correctly in 
system setup program.
Invalid NVRAM 
media type
System having a prob-
lem accessing NVRAM 
(CMOS). 
Set system configura-
tion jumper to 
Maintenance mode; 
reboot system to clear 
all settings to their 
defaults. 
Invalid system 
configuration 
data
System configuration 
information in system 
setup program is incor-
rect, or battery charge 
may be low.
Enter system setup 
program, and verify 
system configuration 
information; reboot 
computer.
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