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Beep Codes and Error Messages 3-5
System CMOS
checksum bad—run
Setup
CMOS has been cor-
rupted or modified, pos-
sibly by an application
program that changes
data stored in CMOS.
BIOS has been updated.
System RAM
failed at off-
set:
nnnn
Memory not operating
correctly. System RAM
failed at address nnnn
in the 64-KB block at
which error was
detected.
Faulty or improperly
seated memory mod-
ule. Faulty main board.
System timer
error
Timer circuit on main
board malfunctioning.
Faulty main board.
Table 3-2. System Error Messages
(Continued)
Message Definition Probable Causes