Lenovo ThinkPad T450 (English) Hardware Maintenance Manual - ThinkPad T450 - Page 54
MajorFRUsandCRUs
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Major FRUs and CRUs 23 22 21 20 19 18 17 16 15 14 Table 9. Major FRUs No. FRU descriptions 1 LCD unit 2 Keyboard bezel assembly 3 Memory modules 4 Coin-cell battery 5 Fingerprint-reader card (on some models) 6 Power-button card 7 Wireless-LAN/Bluetooth card 8 Wireless-WAN card or M.2 solid-state drive 9 Hard disk drive or solid-state drive 48 Hardware Maintenance Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 Self-service CRU No No No No No No No No No No Optional-service CRU No No Yes Yes No No No Yes No Yes
MajorFRUsandCRUs
18
20
21
19
17
14
15
16
1
2
3
4
5
6
7
8
10
12
11
9
13
22
23
Table 9. Major FRUs
No.
FRUdescriptions
Self-serviceCRU
Optional-serviceCRU
1
LCD unit
No
No
2
Keyboard bezel assembly
No
No
3
Memory modules
No
Yes
4
Coin-cell battery
No
Yes
5
Fingerprint-reader card (on some models)
No
No
6
Power-button card
No
No
7
Wireless-LAN/Bluetooth card
No
No
Wireless-WAN card or
No
Yes
8
M.2 solid-state drive
No
No
9
Hard disk drive or solid-state drive
No
Yes
48
Hardware Maintenance Manual