2-8 MegaRAID 8480 Hardware Installation
Copyright © 2006-2007 by LSI Corporation. All rights reserved.
Figure 2.4 SAS and SATA II Plugs and SAS Backplane Receptacle
Connector
The following subsection provides step-by-step instructions for
connecting the MegaRAID 8480 RAID controller to SAS and SATA II
physical disks, either directly or through an expander. Figure 2.5 shows
the controller connected to physical disks and to expanders, which then
connect to physical disks.
2.4.1 Connecting the MegaRAID 8480 RAID Controller to Drive Boxes
and Drive Expanders
Figure 2.5 shows how to connect the external SAS cable from the
MegaRAID 8480 RAID controller to drive boxes or drive enclosures.
Follow these steps to connect a RAID controller with external connectors
to a drive box or drive enclosure.
Step 1. Connect the 4-lane external PCB receptacle plug on the
external cable to the external connector on your RAID
controller.
Step 2. Connect the plug on the other end of the SAS cable to the
connector on the drive box or drive enclosure.
Serial ATA
SAS Primary
Physical Link
SAS Primary
Physical Link
Power
SATA II
Physical Link
Power
Serial Attached SCSI
SAS Backplane
Receptacle Connector
Note: SATA II backplane connectors
do
not
accept SAS drives.
Power
SAS Secondary
Physical Link
SATA II/SAS
Primary
Physical Link