User`s manual

3-3
Chapter 3: Troubleshooting
the modications to the boot block code.
3. If you've followed the instructions above to troubleshoot your system, and still
cannot resolve the problem, then 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).
4. 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: [phone], option
2, or by fax at [phone].
3-3 Frequently Asked Questions
Question: What type of memory does my motherboard support?
Answer: The X7SBA supports up to 8 GB of unbuffered, 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 Address
Extension (PAE) mode behavior which improves driver compatibility. For more in-
formation, 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