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Figure4.LocatingmajorFRUsandCRUs
ThefollowingtableliststhemajorFRUsshowninFigure4“LocatingmajorFRUsandCRUs”onpage32and
identifieswhichFRUsarealsoself-serviceCRUsoroptional-serviceCRUs.
Notes:
Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof
thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other
self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard
diskdrives,andopticaldrives.
Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan
accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the
specificCRUisvisible.
NumberFRUdescription
Self-serviceCRUOptional-serviceCRU
1
PowersupplyassemblyYesNo
2
Flexadapter(somemodels)
NoYes
3
M.2solid-statedrive(somemodels)
YesNo
4
Multi-functionbracket1
YesNo
5
Frontfanassembly1
YesNo
6
Memorymodules(amountvariesbymodel)
YesNo
7
BatteryYesNo
8
Opticaldrive
YesNo
9
Front-accessstorageenclosureNoYes
10
FlexmoduleYesNo
11
Harddiskdrive,hybriddrive,orsolid-statedrive
(amountandcombinationvarybymodel)
YesNo
12
Frontfanassembly2
YesNo
13
Multi-functionbracket2
YesNo
14
Coverpresenceswitch(intrusionswitch)
NoNo
15
InternalspeakerNoNo
16
Heatsinkandfanassembly1
NoYes
17
KeyboardYesNo
18
MouseYesNo
19
PCIcard(varybycomputermodel)
YesNo
20
Heatsinkandfanassembly2(somemodels)
NoYes
21
Rearfanassembly
YesNo
22
Microprocessor1NoNo
23
Microprocessor2NoNo
24
Systemboard
NoNo
25
Directcoolingairbaffle
YesNo
26
Supercapacitormodule(somemodels)
NoNo
Chapter2.Productoverview33
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