User`s manual

3-3
Chapter 3: Troubleshooting
They should know of any possible problem(s) with the specic system conguration
that was sold to you.
Please go through the ‘Troubleshooting Procedures’ and 'Frequently Asked 1.
Question' (FAQ) sections in this chapter or see the FAQs on our website
(http://www.supermicro.com/support/faqs/) before contacting Technical Sup-
port.
BIOS upgrades can be downloaded from our website at 2. (http://www.
supermicro.com/support/bios/).
If you still cannot resolve the problem, include the following information when 3.
contacting Supermicro for technical support: 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 website 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:[phone], option 2,
or by fax at [phone].
Note: Not all BIOS can be ashed; it depends on the modications to the
boot block code.
3-3 Frequently Asked Questions
Question: What type of memory does my motherboard support?
Answer: The PDSBA-Q+/PDSBA+/PDSBA/PDSBE supports unbuffered,
DDR2-800/667/533 MHz memory modules. 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