Connecting to a system backplane – Adaptec SAS/SATA/SCSI RAID Controllers User Manual
Page 34
Chapter 5: Installing the Controller and Disk Drives
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2
Use internal SAS or mini-SAS cables to attach the disk drives to the controller.
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 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
Connecting External Devices on page 35
.
SAS/SATA
disk drives
Single-port connector
SAS fan-out cable
4-wide internal SAS connector
External SAS connector
External SAS cable
Disk drives on
backplane
Controller connected to
backplane with fan-out cable