IBM 8863 - eServer xSeries 366 Service Manual

Also see for 8863 - eServer xSeries 366: Service guide Installation guide Installation guide Problem determination and service guide

Contents

4. Make sure that the ac power LED on the top of the power supply is lit,indicating that the power supply is operating correctly. If the server is turned on,make sure that the dc power LED on the top of the power supply is lit also.5. Replace the top cover.Memory moduleThe following notes describe the types of dual inline memory modules (DIMMs) thatthe server supports and other information that you must consider when installingDIMMs:v The server supports 333 MHz, 1.8V, 240 pin, PC2-3200 single-ranked doubledata-rate (DDR) II, registered synchronous dynamic random-access memory(SDRAM) with error correcting code (ECC) DIMMs. These DIMMs must becompatible with the latest PC2-3200 SDRAM Registered DIMM specifications.For a list of the supported options for the server, see http://www.ibm.com/us/compact/.v The server supports up to four memory cards. Each memory card holds up tofour DIMMs.v There must be at least one memory card with one pair of DIMMs installed for theserver to operate.v When you install additional DIMMs on a memory card, be sure to install them inpairs. All the DIMM pairs on each memory card must be the same size, and type.v You do not have to save new configuration information to the BIOS wheninstalling or removing DIMMs. The only exception is if you replace a DIMM thatwas marked as Disabled in the Memory Settings menu. In this case, you mustre-enable the row in the Configuration/Setup Utility program or reload the defaultmemory settings.v When you restart the server after adding or removing a DIMM, the serverdisplays a message that the memory configuration has changed.v Install the DIMMs on each memory card in the order shown in the followingtables, depending on which memory configuration you want to use. You mustinstall at least one pair of DIMMs on each memory card.Table 4. Memory card installation sequence for performance configurationMemory card order Memory card DIMM pairFirst 1 1 and 3Second 2 1 and 3Third 3 1 and 3Fourth 4 1 and 3Fifth 1 2 and 4Sixth 2 2 and 4Seventh 3 2 and 4Eighth 4 2 and 4Table 5. Memory card installation sequence for cost-sensitive configurationMemory card order Memory card DIMM pairFirst 1 1 and 32 and 4108 IBM xSeries 366 Type 8863: Problem Determination and Service Guide