Intel Desktop Board DG965SS Product Guide 
14 
Main Memory 
 
 
NOTE 
To be fully compliant with all applicable Intel
®
 SDRAM memory specifications, the 
board should be populated with DIMMs that support the Serial Presence Detect (SPD) 
data structure.  If your memory modules do not support SPD, you will see a 
notification to this effect on the screen at power up.  The BIOS will attempt to 
configure the memory controller for normal operation.   
 
The desktop board supports the dual or single channel memory configurations defined 
below. 
•  Four 240-pin Double Data Rate 2 (DDR2) SDRAM Dual Inline Memory Module 
(DIMM) connectors with gold-plated contacts. 
•  Support for: 
―  Unbuffered, non-registered single or double-sided DIMMs 
―  Non-ECC DDR2 memory 
⎯  DIMM Type and Timings listed below: 
Type Timing 
DDR2-800  5-5-5 or 6-6-6 only 
DDR2-667 5-5-5 only 
DDR2-533 4-4-4 only 
―  Serial Presence Detect (SPD) memory only 
―  Memory configurations listed below: 
•  Up to 2.0 GB utilizing 256 Mb technology 
•  Up to 4.0 GB utilizing 512 Mb or 1 Gb technology 
•  Up to 8.0 GB utilizing 1 Gb technology 
 
NOTE 
1 Gb memory technology is not supported on DDR2-800 DIMMs. 
 
Intel recommends using memory from the tested memory lists, available at:  
http://www.cmtlabs.com/mbsearch.asp 
or 
http://www.intel.com/products/motherboard/index.htm?iid=HMPAGE+Header_2_Pro
duct_MB 
Related Links: 
Go to the following links or pages for more information about: 
•  SDRAM specifications, 
http://www.intel.com/technology/memory/ 
•  Installing memory, page 
33 in Chapter 2