Upgrading memory, Model r3040s – ClearCube R-Series Data Center Products User Manual
Page 104
80 • Hardware Upgrade and Replacement Procedures
R-Series Data Center Products User’s Guide
Upgrading Memory
Only use ClearCube-supplied or ClearCube-approved memory modules.
Model R3040S
The R3040S provides six DDR3 DIMM sockets in six channels, as shown in
Figure 41. Each channel contains one DIMM socket:
Figure 41 DIMM Slots on R3040S Board
DIMMs for R3040S must meet the following requirements:
•
Use DIMMs with the same part number by the same manufacturer (the same type,
size, speed, and/or rank).
•
Use 240-pin DDR3 DIMMs.
•
Use either registered DDR3 DIMMs (RDIMMs) or ECC unbuffered DDR3 DIMMs
(UDIMMs). The R3040S does not support the mixing of RDIMMs and UDIMMs.
•
DDR3-800, DDR3-1066, or DDR3-1333.
Ensure the following when populating DIMMs:
•
The minimal memory population is channel A. In this configuration, the system
operates in the Independent Channel Mode. Mirrored Channel Mode is not
possible.
CPU
1
Channel A
Channel B
Channel C
CPU 0
Channel D
Channel E
Channel F
CPU 1 Slots
CPU 0 Slots
Fr
ont of Bl
ade