DFI Lanparty JR P45-T2RS, User Manual

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A
142
Debug LED POST and Troubleshooting
Appendix A
POST (hex)
Power on
00 00
A0
b8
C0
Debug Code Action
None, blank Power on
-> Stopped at
00
Power on
->
00
-
>
Reset
->
Looping
00
-> C1
-> Stopped at
A0
00
-> C1
-> Stopped at
b8
00
-> Stopped at
C0
BIOS Program Definition
Nil BIOS program starts to set VID/FID to initialize CPU. (Boot Block area). CPU VID is incorrect. A0~AF Definition: Initializing memory check code. B0~BF Definition: Initializing memory/devices check code (registers). Initializing memory
.
Possible Cause
1
.
CMOS jumper is set at pins 2-3.
2
.
5Vsb of PSU is insufficient. (Minimum required - 2A)
1
.
Mixed-up BIOS data.
2
.
Defective CPU connection.
3
.
Incompatible PSU.
4
.
No CPU power.
5
.
Reset button short-circuited.
PSU does not comply with the system’s requirement. 1
.
Incompatible memory modules.
2
.
Mixed-up BIOS data.
1
.
Mixed-up BIOS data.
2
.
Incompatible memory modules.
3
.
Incompatible PCI devices.
1
.
Probing for failed memory devices.
2
.
SPD value is lost
or empty
.
Solution
1
.
Set the CMOS jumper to pins 1-2 (default).
2
.
Replace a suitable PSU.
1
.
Clear the CMOS data.
2
.
Remove and reinstall the CPU.
3
.
Replace a suitable PSU.
4
.
Inspect the 12V connection.
5
.
Inspect the cable that connects the reset button to the front panel connector.
Replace a PSU that will provide adequate power to the system. 1
.
Remove and reinstall the memory modules.
2
.
Clear the CMOS data.
1
.
Clear the CMOS data.
2
.
Remove and reinstall the memory modules.
3
.
Remove and reconnect the PCI devices.
1
.
Make sure the memory modules are installed properly in the slots.
2
.
Replace the memory modules.
General Debug LED POST and Troubleshooting