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Intel SE7501WV2 User Manual

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Functional Architecture 
Intel® Server Board SE7501WV2 
  
Revision 
1.0 
 
Intel reference number C25653-001 
24
 
Figure 2.  Memory Sub-system Block Diagram 
3.1.2.1 
Memory DIMM Support 
The SE7501WV2 server board supports DDR266 compliant registered ECC DIMMs operating at 
266MHz. (DDR200 DIMMs are supported when 400MHz processors are used.) 
Only DIMMs tested and qualified by Intel or a designated memory test vendor are supported on 
the SE7501WV2 server board. A list of tested DIMMs will be made available. Note that all 
DIMMs are supported by design, but only fully tested DIMMs will be supported.   
The minimum supported DIMM size is 128 MB. Therefore, the minimum main memory 
configuration is 2 x 128 MB or 256 MB. The largest size DIMM supported is a 2 GB stacked 
registered DDR266 ECC DIMM based on 512 megabit technology. (DDR200 DIMMs are 
supported when 400MHz processors are used) 
Only registered DDR266 compliant, ECC, DDR memory DIMMs will be supported. (DDR200 
DIMMs are supported when 400MHz processors are used.)  
• 
ECC single-bit errors will be corrected and multiple-bit errors will be detected. The 
SE7501WV2 server board also supports the Intel® Single Device Data Correction 
feature. 
• 
The maximum memory capacity is 12 GB. 
• 
The minimum memory capacity is 256 MB. 
3.1.2.2 Memory 
Configuration 
The memory interface between the MCH and DIMMs is 144 bits wide. This requires that two 
DIMMs be populated per bank in order for the system to operate. At least one bank has to be