HP 8 Internal Port SAS Controller and HP Multi-Port Internal SAS Controller Support Guide, September 2009

SAS Topology Screen
SAS Topology is accessed by pressing Enter on SAS Topology from the adapter Properties screen.
This screen presents a view of the adapter's SAS hierarchy, and provides other user functionality.
The following objects along with their significant properties are shown:
Adapter
PHYs
Expanders/Enclosures
Attached Devices
24 Configuring the Controller Offline