In our ongoing efforts to support industry standards, AMD Athlon™ 64 processor-based platforms may be designed to leverage industry standard DDR unbuffered DIMMs. An independent testing company, Computer Memory Test Labs (CMTL), has conducted memory compatibility testing. CMTL is an independent test facility and is able to test RAM modules from different module suppliers. System builders should access the CMTL web site a www.cmtlabs.com and view the recommended memory module list for the specific motherboard manufacturer and motherboard model.

Note: The CMTL website is provided for informational purposes only, and AMD recommends that a system builder conduct its own testing and validation to confirm that the memory modules are suitable for its systems.

Memory Supported

Several AMD Athlon™ 64 processor-based motherboards currently support some of the following memory features:

Sockets 754 and 939

• PC1600, PC2100, PC2700 & PC3200 unbuffered memory modules.
• 184-pin 2.5-Volt DDR1 DIMMs.
• 64-bit DDR1 memory bus (socket 754).
• 128-bit DDR1 memory bus (socket 939).
• Supports 64-Mbyte, 128-Mbyte, 256-Mbyte, 512-Mbyte, 1-Gbyte, 2-Gbyte and 4-Gbyte memory technology.
• Supports production DIMMs from industry standard DRAM memory manufacturers.

Socket AM2

• PC2-3200, PC2-4200, PC2-5300 & PC2-6400 unbuffered memory modules.
• 240-pin 1.8-Volt DDR2 DIMMs.
• 128-bit DDR2 memory bus.
• Supports 128-Mbyte, 256-Mbyte, 512-Mbyte, 1-Gbyte, 2-Gbyte, 4-Gbyte and 8-Gbyte memory technology.
• Supports production DIMMs from industry standard DRAM memory manufacturers.