9-84 Upgrading Your ServerDIMMThe DIMM (Dual Inline Memory Module) is installed in a DIMM socket on the mother boardinstalled in the server.The mother board contains 12 sockets in which DIMMs are installed. Two 1-GB DIMMs arefactory installed in DIMMs #11 and #21. (The factory-installed DIMMs may be replaced.)DIMMs are installed on the sockets in the ascending order of DIMM group numbers in the unit oftwo modules.IMPORTANT: Due to an interleave device, add two DIMMs in group.The server does not operate if DIMMs of different specifications areinstalled in a single group.NOTE: To use the memory mirroring and online spare memory feature,see "Using the Memory RAS Feature" described later.Group number Socket number in groupGroup #1 DIMM #11 and DIMM #21Group #2 DIMM #31 and DIMM #41Group #3 DIMM #12 and DIMM #22Group #4 DIMM #32 and DIMM #42Group #5 DIMM #13 and DIMM #23Group #6 DIMM #33 and DIMM #43DIMM #33DIMM #32DIMM #31DIMM #23DIMM #22DIMM #21DIMM #13DIMM #12DIMM #11DIMM #41DIMM #42DIMM #43Mother board
