4-6 Sun Fire X4450 Server Service Manual • November 2009
■ Start with the slots with white handles (slot 0 of each channel).
■ Start with largest modules (4 GB then 2 GB...) if not all same capacity.
Both Channels from the same branch must contain the same number of DIMMs
(populated by pairs of identical DIMMs).
4.1.2.2 FB-DIMM Fillers
FB-DIMM fillers are installed in all unoccupied DIMM sockets. All sockets must be
occupied by either a filler or an FB-DIMM. When FB-DIMMS are added, remove the
fillers. When FB-DIMMS are removed, add extra fillers. Always place fillers in empty
sockets.
FIGURE 4-3 Fillers for FB-DIMM Slots
TABLE 4-1 Sun Fire X4450 DIMM Guideline Examples
Example 1
(10 DIMMS – 5 Pairs):
Example 2
(Minimum Configuration – 1 Pair)
3 Pairs in Branch 0
Channel A (Branch 0): 3 DIMMs
Channel B (Branch 0): 3 DIMMs
1 Pair in Branch 0
Channel A (Branch 0): 1 DIMMs
Channel B (Branch 0): 1 DIMMs
2 Pairs in Branch 1
Channel C (Branch 1): 2 DIMMs
Channel D (Branch 1): 2 DIMMs
Branch 1 Is Empty
Channel C (Branch 1): 0 DIMMs
Channel D (Branch 1): 0 DIMMs
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