IBM pSeries 690 Service Manual page 948

To remove a PCI adapter cassette, do the following:
1. Determine which PCI adapter cassette you are removing.
2. Disconnect any cables that are connected to the PCI adapter.
3. Press the handle release lever, then push the handle to the down position. See the following
illustration.
4. Push in the locking bar until it clicks into the locked position. See the following illustration.
Note: In this position, the locking bar locks the handle in the down position and prevents it from being
pulled up while the PCI adapter cassette is being removed.
932 Eserver pSeries 690 Service Guide
1 Locking Bar
2 Handle Release Lever
3 Handle in the Down Position