HP Integrity rx2660 User's & Service Manual page 175

Figure 67 Processor ZIF Socket, and Alignment Holes and Posts
Alignment hole on processor
1
ZIF socket for processor 0
2
Processor 0 (in slot 0)
3
Alignment hole on processor
4
Alignment post on processor cage
5
Processor slot 1
6
ZIF socket for processor 1
7
Processor slot 1 dust cover
8
Alignment post on processor cage
9
Processor 1 slot label (module 1)
10
Removing and Replacing a Processor 175