IBM pseries 690 Installation Manual page 87

3. Slide the short adapter-retaining arm toward the adapter or blank filler on the cassette linkage rail.
If the short-adapter retaining arm has been removed from the cassette linkage rail, install the
short-adapter retaining arm and then slide the arm until it contacts the adapter or blank filler as
shown in the following illustration.
3
2
1 Short-adapter Retaining Arm
2 Adapter or Blank Filler
3 Cassette Linkage Rail
1
Chapter 5. Cabling Information
71