Intel Arima LH500 - Manual (Page 20)

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2.3 Installing the memory
2.3.1 DIMM combination
The following diagram indicates the locations of memory sockets, captioned 1 st _Pair_A through 3 rd _Pair_B.
Types of memory supported:
Six sockets of 184-pin 2.5Volt DDR DIMM supporting DDR-333/266.
As indicated on the diagram, they are running on dual channel memory bus and two-way interleaved
memory banks. Therefore, the memory must be INSTALLED IN PAIRS. The first pair must be installed
in the “1
st _Pair_A” and “1 st _Pair_B” locations as indicated in the diagram. The second pair must be
installed in the “2 nd _Pair_A” and “2 nd _Pair_B” locations, and so on. Be sure that every memory pair is of
the same speed, size and rank.