User Guide

Troubleshooting and Repair
FIC A440 Series Service Manual 6-9
Table 6-3 (e) BIOS Beep Codes
Beep
Code
Diagnostic
Code
Description Test Performed
4-4-1 3Ch Serial port test in progress or
failure.
Pattern test of one or more of the
installed serial ports. If a failure is
detected, an error message will be
displayed and POST will continue.
4-4-2 3Dh Parallel port test in progress
or failure.
Rolling ones test is done to one or more
of the installed parallel ports. If a failure
is detected, an error message will be
displayed and POST will continue.
4-4-3 3Eh Math coprocessor test in
progress or failure.
An integer load and store is performed
with the math coprocessor. If the values
do not match, an error message will be
displayed and POST will continue.
6.2.4 Run-time Error Messages
Table 6-4 BIOS Run-time Error Messages
Message Cause Action
I/O card parity interrupt at
address
. Type (S)hut off NMI,
(R)eboot, other keys to continue
Memory on a peripheral card
has failed.
Check the memory cards
installed in the system.
Memory parity interrupt at
address. Type (S)hut off NMI,
(R)eboot, other keys to continue
A memory chip(s) has failed. Check the memory on the
system board.
Unexpected HW interrupt
interrupt at address. Type
(R)eboot, other keys to continue
Hardware problem. Not
displayed if the expected
interrupt handler is not enabled.
Check all hardware in the
system.
Unexpected SW interrupt
interrupt at address
. Type
(R)eboot, other keys to continue
Error(s) in the software
program. Not displayed if the
extended interrupt handler is not
enabled.
Turn the machine off and
then on again. If doesn’t
work, check the program.
Unexpected type 02 interrupt at
xxxxh. Type (S)hut off NMI,
(R)eboot, other keys to continue
A parity error occurred, but the
source can not be determined.
Turn the power off and then
on again.