User's Manual

Chapter 2 Install Server Module Optional Components 15
Memory Module Installation Considerations
The Sun Blade X6270 Server Module supports a variety of DIMM configurations that
can include single-rank (SR) DIMMs, dual-rank (DR) DIMMs, or quad-rank (QR)
DIMMs. When adding additional memory modules to the Sun Blade X6270 Server
Module, you should consider the following:
■ Physical layout of the DIMMs and CPUs.
For details, see “DIMM and CPU Physical Layout” on page 15.
■ DIMM population rules.
For details, see “DIMM Population Rules” on page 16.
DIMM and CPU Physical Layout
The physical layout of the DIMMs and CPUs on a Sun Blade X6270 Server Module is
shown in
FIGURE 2-3.
FIGURE 2-3 CPU and DIMM Physical Layout
Figure Leg end CPU and DIMM Layout
CPU 0 location