DFI Blood-Iron P43-T34, User Manual

Page: 118 / 118

A
118
Debug LED POST and Troubleshooting
Abnormal Debug LED POST and Troubleshooting
POST
(hex)
79 88
FF
Debug
Code
Action
Power on
-> Prompt Stopped
at
79
Power on
-> Prompt Stopped
at
88
Power on
-> Prompt Stopped
at
FF
BIOS Pr
ogram De
fi nition
There is no “79” de
fi
nition on the
A
ward BIOS code.
(BIOS program executed the wrong process therefore showing the wrong POST
code.)
There is no “88” de
fi
nition on the
A
ward BIOS code.
(BIOS program executed the wrong process therefore showing the wrong POST
code.)
De
fi
nition: BIOS process completed.
(BIOS program executed the wrong process therefore showing the wrong POST
code.)
Possible
Cause
1.
Mixed-up BIOS data.
2.
MB is defective. (NB chip may be defective.)
1.
Mixed-up BIOS data.
2.
MB is defective. (NB chip may be defective.)
1.
Mixed-up BIOS data.
2.
MB is defective. (NB chip may be defective.)
Solution 1.
Clear the CMOS data.
2.
RMA
action required.
1.
Clear the CMOS data.
2.
RMA
action required.
1.
Clear the CMOS data.
2.
RMA
action required.
Index
Clearing CMOS Data
2-3 On:
Clear CMOS Data
1-2 On:
Nor
mal
(default)
3
12
3
12
1.
Turn-off and unplug the AC power
.
2.
Mo
ve
the jumper cap from pins 1-2 to pins 2-3.
3.
W
ait for 5 seconds then mo
ve
the jumper cap back to
pins 1-2.
Totally Discharging the Motherboard
Unplug the AC power and remo
ve
the battery for 5 minutes then reinstall
the battery and plug the AC power back on.