Intel SR1560SF Service Guide - Page 48

DIMM A4 DIMM A3 DIMM A2 DIMM A1 DIMM B1 DIMM B2 DIMM B3 DIMM B4 DIMM C1 DIMM C2 DIMM C3 DIMM C4 DIMM D1 DIMM D2 DIMM D3 DIMM D4 Channel A Channel B Branch 0 Channel C Channel D Branch 1 AF002164 Figure 21. Installing the Initial Four DIMMs Notes: The initial four DIMMs installed must be populated in the blue slots: DIMM A1, DIMM B1, DIMM C1, and DIMM D1. Thermal requirement note: If x4 FBDIMMs are used, and the FBDIMMs do not have thermal sensors, you must install DIMM Blanks when installing less than 8 FBDIMMs. DIMM Blanks can be ordered through your preferred distributor. 26 Intel® Server System SR1560SF Service Guide