Sun Microsystems Sun Fire X4140, Service Manual

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4-4 Sun Fire X4140 Server Service Manual • September 2010
supported 4GB and 8GB DIMMs are dual-rank. For 1GB and 2GB DIMMs, you can
identify the type by counting the DRAMs; single-rank DIMMs, have 18 DRAMs,
while dual-rank DIMMs have 36 DRAMs.
Refer to the service label on the cover for DDR2 DIMM placement information. Refer
to the
Sun Fire X4140, X4240, and X4440 Servers Diagnostics Guide for additional DDR2
DIMM information.
FIGURE 4-2
DDR2 DIMM Layout
4.1.2.1 Viewing The Memory Configuration
Type the following in ILOM to view the memory configuration.
-> show /SYS/MB/P0/D0/