Adaptec 44300 User Guide - Page 30
Connecting Directly to the HostRAID Controller, Connecting to a Backplane, Direct-Attach Connections
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Chapter 4: Installing the HostRAID Controller and Disk Drives l 30 You have these connection options: ● Connecting Directly to the HostRAID Controller (see below). ● Connecting to a Backplane on page 30. Connecting Directly to the HostRAID Controller In a direct-attach connection, SAS or SATA disk drives are connected directly to a SAS HostRAID controller with SAS cables. The number of direct-attached disk drives is limited to four per internal SAS connector. For more information, see Direct-Attach Connections on page 60. 1 Install your internal SAS or SATA disk drives, following the instructions in your system's documentation. 2 Use internal SAS cables to connect the disk drives to the SAS HostRAID controller. SATA disk drives attached to controller with fan-out cable External SAS cable External SAS connector 3 When you have installed all disk drives and connected the to SAS HostRAID controller, close your computer cabinet, and reconnect the power cord. Connecting to a Backplane In a backplane connection, disk drives and SAS HostRAID controllers are connected to, and communicate with each other through a backplane.