Adaptec 2093400 User Guide - Page 34
Connecting to a System Backplane, Connecting External, Devices
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Chapter 5: Installing the Controller and Disk Drives ● 34 2 Use internal SAS or mini-SAS cables to attach the disk drives to the controller. SAS fan-out cable 4-wide internal SAS connector SAS/SATA disk drives External SAS connector Single-port connector External SAS cable 3 When all internal disk drives have been installed and attached to the controller, close your computer cabinet, reattach the power cord, then continue with Connecting External Devices on page 35. Connecting to a System Backplane In a backplane connection, disk drives and SAS cards are attached to and communicate with each other through a system backplane. The number of disk drives is limited to the number of slots available on the backplane. Some backplanes have embedded SAS expanders and can support up to 128 end devices. (For more information about backplane and expander connections, see page 66.) 1 Connect one or more internal SAS or SATA disk drives to the backplane. (Refer to your system's documentation for more information.) 2 Use an internal SAS cable to connect the controller to the backplane. Disk drives on backplane Controller connected to backplane with fan-out cable 3 When all internal disk drives have been installed and connected, close your computer cabinet, reattach the power cord, then continue with Connecting External Devices on page 35.