Dell PowerEdge FC430 Owner's Manual

Also see for PowerEdge FC430: Getting Started With Your System Owner's manual

Contents

Dell PowerEdge FC430 Owner's Manual Manual pdf 42 page image

Processor Configuration Memory population rules Memory populationinformationpopulated in pairs, oddamount of pairs allowed.Dual CPUNOTE:Populateround robinstarting withCPU1Advanced ECC(Lockstep)C1{1,2},C2{1,2},C1{3,4},C2{3,4}….Numbers inside the bracketsindicate the slots that must bepopulated in pairs, oddamount of pairs allowed.Memory optimized (independent channel) modeThis mode supports Single Device Data Correction (SDDC) only for memory modules that use x4 devicewidth It does not impose any specific slot population requirements.Memory installation guidelines:Processor Configuration Memory populationrules MemorypopulationinformationSingle CPUNOTE: Optimized mode permitsunbalanced configurations, eg,1:1:1:0 DIMM per channel (DPC)combinations.Optimized(independentchannel)1, 2, 3, 4 Populate in thisorder, odd amountof DIMMs per CPUallowed.Dual CPUNOTE: Populate round robinstarting with CPU1:NOTE: Optimized mode permitsunbalanced configurations, eg,2:1:1:1 DPC combinations.Optimized(independentchannel)C1{1}, C2{1}, C1{2},C2{2}, C1{3}, C2{3}…Populate in thisorder, odd amountof DIMMs per CPUallowed.Memory mirroringMemory Mirroring offers the strongest DIMM reliability mode compared to all other modes, providingimproved uncorrectable multi-bit failure protection. In a mirrored configuration, the total availablesystem memory is one half of the total installed physical memory. Half of the installed memory is used tomirror the active DIMMs. In the event of an uncorrectable error, the system switches over to the mirroredcopy. This ensures SDDC and multi-bit protection.Memory installation guidelines:• Memory modules must be identical in size, speed, and technology.• DIMMs installed in memory sockets with white release tabs must be identical and similar rule appliesfor sockets with black release tabs. This ensures that identical DIMMs are installed in matched pairs -for example, A1 with A2, A3 with A4.NOTE:Mirroring and Advanced ECC modes require minimum of two DIMMs per CPU and must bepopulated in pairs of either two or four DIMMs per CPU.42