Intel E39545-004

Workstation Board Features
Intel® Workstation Board S5520SC Service Guide 19
Figure 6. DIMM Sockets
DDR3 DIMMs must meet the following requirements:
 Use only 240-pin DDR3 DIMMs.
 A minimum of one 1 GB DDR3 DIMM is required in DIMM socket DIMM_A1.
 Either registered DDR3 DIMMs (RDIMMs) or unbuffered ECC/non-ECC DDR3 DIMMs (UDIMMs). No mixing of
RDIMMs and UDIMMs.
 DDR3-800, DDR3-1066, or DDR3-1333
 DIMM within a channel must be populated starting with the first socket (blue socket) of the channel: DIMM_A1,
DIMM_B1, DIMM_C1, DIMM_D1, DIMM_E1, or DIMM_F1.
 When installing Quad-rank DIMM, must populate Quad-Rank DIMM starting with the first slot of each memory channel.
For a complete list of supported memory DIMMs, see the links under “Additional Information and Software”.