Supported DIMMs
Each planar in the PS700 blade server contains eight very low profile (VLP) memory connectors for
registered dual inline memory modules (RDIMMs). The maximum size for a single DIMM is 8 GB. The
total memory capacity ranges for PS700 from a minimum of 4 GB to a maximum of 64 GB.
See Chapter 3, “Parts listing, Type 8406,” on page 229 for memory modules that you can order from IBM.
Memory module rules:
v Install DIMM fillers in unused DIMM slots for proper cooling.
v Install DIMMs in pairs (1 and 3, 6 and 8, 2 and 4, 5 and 7)
v Both DIMMs in a pair must be the same size, speed, type, and technology. You can mix compatible
DIMMs from different manufacturers.
v Each DIMM within a processor-support group (1-4 and 5-8) must be the same size and speed.
v Install only supported DIMMs, as described on the ServerProven
®
Web site. See http://www.ibm.com/
servers/eserver/serverproven/compat/us/.
v Installing or removing DIMMs changes the configuration of the blade server. After you install or
remove a DIMM, the blade server is automatically re-configured, and the new configuration
information is stored.
v See “System-board connectors” on page 8 for DIMM connector locations.
Table 1 shows allowable placement of DIMM modules:
Table 1. Memory module combinations
DIMM
count PS700 Base blade planar (P1) DIMM slots
12345678
2 XX
4 XX XX
6 XXXXXX
8 XXXXXXXX
Figure 1. DIMM connectors. Base unit connectors
4 Power Systems: Problem Determination and Service Guide for the IBM Power PS700 (8406-70Y)
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