IBM ThinkPad R40 Hardware Maintenance Manual page 152

Parts list
For machine type 2722, 2723, 2724
24
23
22
19
d
17
16
15
c
14
13
12
148
ThinkPad R40
26
25
20
18
11
21
10
a
b
1
2
3
4
5
6
7
8 8
9
9