Chapter 4
Memory Extender Board Upgrade Procedures
Introduction
55
Removing System Memory DIMMs
Remove the system memory DIMMs to reuse on the upgrade memory extender board.
CAUTION Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD
safety precautions could result in damage to the server.
To remove system memory, perform the following steps:
Step 1. Identify the DIMM to be removed and push the appropriate extraction levers found on either side of
the DIMM slot outward to the open position. The DIMM will eject from the slot.
Step 2. Remove the DIMM from the socket.
Installing Memory DIMMs
You may insert additional DIMMs into both sixteen and thirty-two DIMM boards. When adding DIMMs, you
must use a minimum of four like sized DIMMs in the next available quad.
Supported DIMM Sizes
Supported DIMM sizes are 256MB, 512MB, 1GB, 2GB, or 4GB. Dissimilar DIMM sizes may be used across
the entire extender board but all four DIMMs in each quad must match. For cooling purposes, DIMM fillers
must be used in some unused slots.
DIMM Slot Fillers
Both the sixteen and thirty-two DIMM extender boards have DIMM slot filler boards placed over all unfilled
DIMM slots. As you fill DIMM quads with additional memory you must remove the DIMM slot fillers covering
the affected slots. All remaining DIMM fillers in unused slots must remain in place to maximize internal
cooling. See Table 4-1, “DIMM Filler Requirements for 16 DIMM Extender Board.”
NOTE One DIMM filler board covers two adjacent DIMM slots. As a general rule, only remove DIMM
slot fillers as you add memory and the correct configuration will always remain.
Table 4-1 DIMM Filler Requirements for 16 DIMM Extender Board
16 DIMM Extender Board
DIMMs Loaded
Fillers Required
a
4 DIMMs in quad 0 6 fillers total:
2 fillers in quads 1, 2, and 3
(all quads filled)
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