IBM System x3550 M4 - Page 274

b. Insert the SAS/SATA adapter into the PCI riser cards (see “Replacing an
adapter” on page 250).
8. Route the backplane signal cables (see “Cabling backplane” on page 199).
Figure 151. ServeRAID adapter installation
Figure 152. Adapter installation
256 IBM System x3550 M4 Type 7914: Installation and Service Guide