Adaptec 58300 User Manual

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Chapter 5: Installing the HostRAID Controller and Disk Drives
26
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 
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.
3
When all internal disk drives have been installed and connected, close your computer 
cabinet, reattach the power cord, then continue with 
.
Disk drives on 
backplane
Controller connected 
to backplane with 
fan-out cable