IBM pSeries 690 User Manual page 223

7. Remove the metal EMC shield from the top of the tailstock.
8. Remove the blank filler or adapter that is installed in the cassette linkage assembly.
Note: If there is a blank filler in the cassette linkage assembly, as shipped from the manufacturer,
there are two adapter arms. One adapter arm is used with short adapters (short adapter arm)
and the other adapter arm is used with long adapters (long adapter arm).
If you are removing a short adapter or blank filler, see "Short Adapter or Blank Filler Removal" on page
208.
If you are removing a long adapter, see "Long Adapter Removal" on page 211.
1 Metal EMC Shield
Appendix E. Removing and Replacing PCI Adapters
207