Asus P5W - Manual (Page 41)

ASUS P5W 2-5
Notes on memory limitations
• Due to chipset limitation, this motherboard can only support up to
8 GB on the operating systems listed below. You may install a maximum of
2 GB DIMMs on each slot.
• Some old-version DDR2-667 DIMMs may not match Intel ® ’s
On-Die-Termination (ODT) requirement and will automatically downgrade
to run at DDR2-533. If this happens, contact your memory vendor to check
the ODT value.
• Due to chipset limitation, DDR2-667 with CL=4 will be downgraded to run
at DDR2-533 by default setting. If you want to operate with lower latency,
adjust the memory timing manually.
• Due to chipset limitation, DDR2-533 with CL=3 will be downgraded to run
at DDR2-400 by default setting. If you want to operate with lower latency,
adjust the memory timing manually.
Important notice on installing Windows ® XP 32-bit version
If you install Windows ® XP 32-bit version Operating System (OS), the limitation
of this OS version is that it may reserve a certain amount of memory space for
system devices. We recommend that you install less than 3 GB system memory
if you would like to work under Windows ® XP 32-bit version OS. The excess
memory installation will not cause any usage problem, but it will not give users
the benefit of manipulating this excess memory space.
Visit the ASUS FAQ site for further
explanation:
http://support.asus.com/faq/faq.
aspx?SLanguage=en-us
Under General Search, make the
selections as shown, then click Search.
Click the article titled “4GB memory installed but less memory size
detected.”
You also may check the URLs below for third party comments on this issue:
http://dlsvr01.asus.com/pub/ASUS/mb/4GB_Rev1.pdf
http://www.intel.com/support/motherboards/server/sb/cs-016594.htm
32-bit 64-bit
Windows ® 2000 Advanced Server
Windows ® Server 2003 Enterprise
Edition
Windows ® Server 2003 Standard
x64 Edition
Windows
® XP Professional x64
Enterprise Edition
Windows ® Server 2003 Enterprise
x64 Edition