IBM X23 - Manual (Page 118)

For X22
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13
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17
14
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9
7
4
1
2
19
18
20
21
No. FRU P/N
1 Hinge cover 26P9827
2 KBD Control Panel (X22) 26P9829
3 Keyboard FRU
4 Keyboard bezel
114 ThinkPad X20, X21, X22, X23, X24