3-2
X7SB4/X7SBE User's Manual
NOTE
If you are a system integrator, VAR or OEM, a POST diagnostics
card is recommended. For I/O port 80h codes, refer to App. B.
Memory Errors
Make sure that the DIMM modules are properly installed and fully seated in
the slots.
You should be using unbuffered, ECC/Non-ECC DDR2-800/677 memory
(See the next page). Also, it is recommended that you use the same
memory speed for all DIMMs in the system. See Section 2-4 for memory
limitations.
Check for bad DIMM modules or slots by swapping modules between slots and
noting the results.
Check the power supply voltage 115V/230V switch.
Losing the System's Setup Confi guration
Please be sure to use a high quality power supply. A poor quality power
supply may cause the system to lose the CMOS setup information. Refer to
Section 1-6 for details on recommended power supplies.
The battery on your motherboard may be old. Check to verify that it still
supplies ~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
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.
Please go through the ‘Troubleshooting Procedures’ and 'Frequently Asked
Question' (FAQ) sections in this chapter or see the FAQs on our web site
(
http://www.supermicro.com/support/faqs/) before contacting Technical
Support.
BIOS upgrades can be downloaded from our web site at
(http://www.
supermicro.com/support/bios/
). Note: Not all BIOS can be fl ashed. Some
cannot be fl ashed; it depends on the modifi cations to the boot block
code.
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