Sun Microsystems Fire V890 Service Manual page 215

5. Remove the eight I/O side screws securing the disk cage to the system.
6. Carefully pull the disk cage forward about 2 inches (5 cm), enough to give you
clear access to the remaining cables on the base backplane.
7. Disconnect the base backplane FC-AL data cable (A and B) from the base
backplane at connectors A(J0201) and B(J0200).
Chapter 6 Removing and Installing Backplanes and Cables 187