Lenovo ThinkCentre M90t Gen 3, Hardware Maintenance Manual

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Number Description Self-service CRU Optional-service CRU
40
Thermal sensor No No
41
Front fan* No No
42
Chassis
No No
43
PCI-Express card* Yes No
44
PCI-Express connector cable* Yes No
45
Power supply assembly No Yes
46
E-lock* No Yes
47
Graphics card fan*
Yes No
48
Memory module Yes No
49
Microprocessor No No
50
System board
No No
51
Wi-Fi card shield* No No
52
Wi-Fi card* No No
53
VRM heat sink No No
54
Graphics cards*
Yes No
55
Flexible I/O board* No No
* for selected models
For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go
to:
http://www.lenovo.com/serviceparts-lookup
Chapter 6
.
Hardware removal and installation
47