Dell R420 Owner's Manual download pdf (Page 42)

The system contains 12 memory sockets split into two sets of six sockets, one set per processor. Each six-socket set is

organized into three channels. In each channel, the release levers of the first socket is marked white and the second

black.

NOTE: DIMMs in sockets A1 to A6 are assigned to processor 1 and DIMMs in sockets B1 to B6 are assigned to

processor 2.

Figure 14. Memory Socket Locations

Memory channels are organized as follows:

Processor 1 channel 1: memory sockets A1 and A4

channel 2: memory sockets A2 and A5

channel 3: memory sockets A3 and A6

Processor 2 channel 1: memory sockets B1 and B4

channel 2: memory sockets B2 and B5

channel 3: memory sockets B3 and B6

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 136 137

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Dell R420 Owner's Manual Page 42