User`s manual

3-3
Chapter 3: Troubleshooting
If you've followed the instructions above to troubleshoot your system, and 3.
still cannot resolve the problem, then please contact Supermicro's technical
support and provide them with the following information:
Motherboard model and PCB revision number•
BIOS release date/version (this can be seen on the initial display when your •
systemrstbootsup)
Systemconguration•
An example of a Technical Support form is on our web site at • (http://www.
supermicro.com/support/contact.cfm).
Distributors: For immediate assistance, please have your account number •
ready when placing a call to our technical support department.
We can be reached by e-mail at [e-mail], by phone at: (408)
503-8000, option 2, or by fax at [phone].
3-3 Frequently Asked Questions
Question: What type of memory does my motherboard support?
Answer: The X7SB4/X7SBE supports up to 8 GB of unbuffered, ECC/Non-
ECC, DDR2-800/677, two-way interleaved or non-interleaved SDRAM. See
Section 2-4 for details on installing memory.
Question: Why does Microsoft Windows XP (SP2) and Windows Vista show
less memory than what is physically installed?
Answer: Microsoft implemented a design change in Windows XP with Service
Pack2(SP2)andWindowsVista.ThischangeisspecictothePhysicalAd-
dress Extension (PAE) mode behavior which improves driver compatibility. For
more information, please read the following article at Microsoft’s Knowledge
Base website at: http://support.microsoft.com/kb/888137.
Question: How do I update my BIOS?
Answer: It is recommended that you do not upgrade your BIOS if you are not
experiencing any problems with your system. Updated BIOS les are located
on our web site at http://www.supermicro.com/support/bios/. Please check our
BIOS warning message and the information on how to update your BIOS on our
website.SelectyourmotherboardmodelanddownloadtheBIOS(.rom)leto
your computer. Also, check the current BIOS revision and make sure that it is
newerthanyourBIOSbeforedownloading.Youmaychoosethezipleorthe
.exele.IfyouchoosethezippedBIOSle,pleaseunziptheBIOSleontoa
bootable device or a USB pen/thumb drive.To ash the BIOS, run the batch
lenamed"ash.bat"withthenewBIOS.romlefromyourbootabledeviceor
USB pen/thumb drive. Use the following format: