Lenovo x3650 M5 - Page 181

Table12.MemorymirroredchannelmodeDIMMpopulationsequence(continued)
NumberofinstalledmicroprocessorsDIMMconnectorpopulationsequence
1,4
13,16
9,12
21,24
2,5
14,17
8,11
20,23
19,22
3,6
15,18
2
7,10
Memoryranksparing
Thememoryranksparingfeaturedisablesthefailedmemoryfromthesystemconfigurationandactivatesa
ranksparingDIMMtoreplacethefailedactiveDIMM.
YoucanenableranksparingmemoryintheSetuputility,selectSystemSettings➙Memory.Formore
information,see“UsingtheSetuputility”onpage46.Whenyouusethememoryranksparingfeature,
considerthefollowinginformation:
•ThememoryranksparingfeatureissupportedonservermodelswithanIntelXeon™E5-2600v3series
microprocessor.
•Themaximumavailablememoryisreducedwhenmemoryranksparingmodeisenabled.
ThefollowingdiagramliststheDIMMconnectorsoneachmemorychannel.
DIMM 3 DIMM 9 DIMM 6 DIMM 12 DIMM 2 DIMM 8 DIMM 5 DIMM 11 DIMM 1 DIMM 7 DIMM 4 DIMM 10
Microprocessor 1
Channel
CPU1
DIMM 15 DIMM 21 DIMM 18 DIMM 24 DIMM 14 DIMM 20 DIMM 17 DIMM 23 DIMM 13 DIMM 19 DIMM 16 DIMM 22
Microprocessor 2
CPU2
Figure98.Connectorsoneachmemorychannel
Followtheinstallationsequenceforranksparingmode:
•Installatleasttwosingle-rankordual-rankDIMMsinachannel.
Table13.MemoryranksparingmodeDIMMpopulationsequence
NumberofDIMMs
Numberofinstalled
microprocessorDIMMconnector
FirstpairofDIMMs
11,2
SecondpairofDIMMs
14,5
Chapter5.Removingandreplacingcomponents169