IBM x3690 X5 Service Manual

Also see for System x3690 X5: Implementation guide Installation and user guide At-a-glance reference guide At-a-glance guide Manual

– The following table lists the DIMM installation sequence formemory-mirroring mode when one or two microprocessors and no memorytray is installed in the server:Table 21. memory-mirroring mode DIMM population sequence when one or twomicroprocessors and no memory tray is installedSets of DIMMsNumber of installedmicroprocessorsDIMM connectorpopulation sequence withno memory traySet 1 1 or 2 1, 8, 9,16Set 2 1 or 2 3, 6, 11, 14Set 3 1 or 2 2, 7, 10, 15Set 4 1 or 2 4, 5, 12, 13– The following table lists the DIMM installation sequence formemory-mirroring mode when two microprocessors and a memory tray isinstalled in the server:Table 22. Memory-mirroring mode DIMM population sequence when two microprocessorsand a memory tray is installedSets of DIMMsNumber of installedmicroprocessorsDIMM connectorpopulation sequenceon the system boardDIMM connectorpopulation sequenceon the memory traySet 1 2 1, 8, 9, 16 17, 24, 25, 32Set 2 2 3, 6, 11, 14 19, 22, 27, 30Set 3 2 2, 7, 10, 15 18, 23, 26, 31Set 4 2 4, 5, 12, 13 20, 21, 28, 29v When you install or remove DIMMs, the server configuration informationchanges. When you restart the server, the system displays a message thatindicates that the memory configuration has changed.The following illustration shows the location of the DIMM connectors on thesystem board.300 System x3690 X5 Types 7147, 7148, 7149, and 7192: Problem Determination and Service Guide