Hello Xinguo,
 
            Regarding your question, “Motherboard Specification for your S2600CW2R board“.
 
You can find the general information on the board at: http://ark.intel.com/products/88278/Intel-Server-Board-S2600CW2R
 
You can find the board documentation at: http://www.intel.com/content/www/us/en/support/server-products/server-boards/dual-socket-server-boards/intel-server-board-s2600cw-family/intel-server-board-s2600cw2r.html#collapse-object-4
 

And the Technical Product Specification for the Intel® Server Board S2600CW Family at: http://www.intel.com/content/dam/support/us/en/documents/server-products/server-boards/S2600CW_TPS_Rev2_3.pdf

Hello Xinguo,
 
            Regarding your question, “Motherboard Specification for your S2600CW2R board“.
 
You can find the general information on the board at: http://ark.intel.com/products/88278/Intel-Server-Board-S2600CW2R
 
You can find the board documentation at: http://www.intel.com/content/www/us/en/support/server-products/server-boards/dual-socket-server-boards/intel-server-board-s2600cw-family/intel-server-board-s2600cw2r.html#collapse-object-4
 

And the Technical Product Specification for the Intel® Server Board S2600CW Family at: http://www.intel.com/content/dam/support/us/en/documents/server-products/server-boards/S2600CW_TPS_Rev2_3.pdf

Hello Xinguo,
 
            Hope this information helps.  It has been several day with no information back from you from the information we provide.  We will proceed on closing the information, but if you need anything else we can re-open it.
 
If there is anything else we can help please feel free to ask.

Best regards,
              
Henry A.

Hello Xinguo,
 
            Hope this information helps.  It has been several day with no information back from you from the information we provide.  We will proceed on closing the information, but if you need anything else we can re-open it.
 
If there is anything else we can help please feel free to ask.

Best regards,
              
Henry A.