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4. Check for bad DIMM modules or slots by swapping a single module among all memory
slots and check the results.
Losing the System's Setup Configuration
1. Make sure that you are using a high-quality power supply. A poor-quality power supply
may cause the system to lose the CMOS setup information. Refer to Chapter 2 for
details on recommended power supplies.
2. The battery on your motherboard may be old. Check to verify that it still supplies
approximately 3 VDC. If it does not, replace it with a new one.
3. If the above steps do not fix the setup configuration problem, contact your vendor for
repairs.
When the System Becomes Unstable
A. If the system becomes unstable during or after OS installation, check the following:
1. CPU/BIOS support: Make sure that your CPU is supported and that you have the latest
BIOS installed in your system.
2. Memory support: Make sure that the memory modules are supported by testing the
modules using memtest86 or a similar utility.
Note: Click on the "Tested Memory List" link on the motherboard's product page to
see a list of supported memory.
3. SSD support: Make sure that all solid-state drives (SSDs) work properly. Replace the
bad SSDs with good ones.
4. System cooling: Check the system cooling to make sure that all heatsink fans and CPU/
system fans, etc., work properly. Check the hardware monitoring settings in the IPMI
to make sure that the CPU and system temperatures are within the normal range. Also
check the front panel Overheat LED and make sure that it is not on.
5. Adequate power supply: Make sure that the power supply provides adequate power to
the system. Make sure that all power connectors are connected. Refer to our website for
more information on the minimum power requirements.
6. Proper software support: Make sure that the correct drivers are used.
Chapter 3: Troubleshooting
45
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