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X8STi/X8STi-F/X8STi-3F/X8STi-LN4 User's Manual
2. Use the speaker to determine if any beep c odes exist. (Refe r to Appendix A
for details on beep codes.)
3. Remove all memory module s an d t ur n on the system. (If the alarm is on, ch e c k
the specs of memory mod ules, re set the m emor y or t ry a d if ferent o ne.)

Memory Errors

1. Make sure that the DIMM modules are prop erly installed a nd fully seated in
the slots.
2. You should be using unbuffered ECC or no n-ECC DDR3 (1.5V) 1333/1066/80 0
MHz memory (recommend ed by th e ma nuf ac tu re r). Al so, it i s re c om me nd ed
that you use the memory modul e s of the same type and speed for all D IMMs
in the system.
3. Check for bad DIMM modules or s lots by swappi ng module s betwee n slots to
see if you can locate the faulty m odule s.
4. Check the power supply voltage 115V/230V switc h.

Losing the System’s Setup Confi guration

1. Please be sure to use a high quality power sup pl y. A poor qu ali t y p owe r su pp ly
may cause the system to lose the CMO S set u p in fo r mation. Refer to Section
1-5 for details on recommen ded powe r suppli es.
2. The battery on your mothe rboard may be old. Check to verif y that it still supplies
~3VDC. If it does not, replace it with a new one.
3. If the above steps do not fi x the Setup Co nfi guration problem, contact your
vendor for repairs.
3-2 Technical Support Procedures
Before contacting Technical Support, please make sure that you have followed all
the steps listed below. Also, Note that as a motherboard manufacturer, Supermicro
does not sell directly to end users, so it is best to fi rst check with your distributor or
reseller for troubleshooting services. They should know of any possible problem(s)
with the specifi c system confi guration that was sold to you.
1. Please go through the ‘Troubleshooti ng Procedures’ and 'Frequ ently Asked
Question' (FAQ) sections in this chapter or s ee the FAQs on our website
(http://www.supermicro.com/support/faqs/) before contac ting Technical
Support.
2. BIO S upgr ades can be downl oaded from o ur web site a t (http://www.supermicro.