Intel SRCSASLS4I Hardware User Guide - Page 14

4. Install the RAID controller into an available server system x8 or x16 PCI-Express* slot. See your server system documentation to locate an appropriate slot and for instructions on installing an add-in card. See also the following figure. AF002638 Figure 2. Installing the Intel® RAID Controller SRCSASLS4I 5. For the four drives, ports 0 - 3, connect one 4-port combined end of an internal cable to the connector. See the following figure. To prevent throughput problems, use the cable provided or use the shortest possible cable. Do not use a cable longer than one meter. Decrease the maximum length by one foot if using a backplane. Do not use a cross-over cable. Only connect to SAS or SATA drives, SAS or SATA backplanes, or an expander device. Route the cable carefully. Check that controller and cable are all properly attached. 8 Intel® RAID Controller SRCSASLS4I Hardware User's Guide