3-2
X8DTU/X8DTU-F User's Manual
Use the speaker to determine if any beep codes exist. Refer to the Appendix 2.
for details on beep codes.
Losing the System’s Setup Confi guration
Make sure that you are using a high quality power supply. A poor quality 1.
power supply may cause the system to lose the CMOS setup information.
Refer to Section 1-5 for details on recommended power supplies.
The battery on your motherboard may be old. Check to verify that it still sup-2.
plies ~3VDC. If it does not, replace it with a new one.
If the above steps do not fi x the Setup Confi guration problem, contact your 3.
vendor for repairs.
Memory Errors
When a memory error beep code is issued, check the following:
Make sure that the DIMM modules are properly and fully installed. 1.
Check if different speeds of DIMMs have been installed. It is strongly recom-2.
mended to use the same RAM speed for all DIMMs in the system.
Make sure you are using the correct type of DDR3 Registered ECC or Unbuf-3.
fered ECC/Non-ECC 1333 MHz/1066 MHz/800 MHz SDRAM (recommended
by the manufacturer.)
Check for bad DIMM modules or slots by swapping a single module between 4.
all memory slots and check the results.
Make sure that all memory modules are fully seated in their slots. Make sure 5.
to follow the instructions given in Section 2-4 in Chapter 2.
Check the position of the 115V/230V switch on the power supply. 6.
Please follow the instructions given in the DIMM Population Tables listed on 7.
Pages 2-7 and 2-8 to install your memory modules.
3-2 Technical Support Procedures
Before contacting Technical Support, please take the following steps. Also, please
note that as a motherboard manufacturer, Supermicro does not sell directly to end-
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