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Installing the optional front bezel
SAS expander daughter card
The systems storage uses SAS expander daughter card to facilitate:
•
Transition of SAS technology from 6 Gbps to 12 Gbps
•
Maximize the hard disk drive space
•
Provide the configuration flexibility and cabling and signalling issues of the system
The daughter card uses LSI expander chips that support:
•
Up to 12 Gbps SAS
•
Up to 6 Gbps SAS and SATA
•
Serial SCSI Protocol (SSP)
•
Spanning-Tree Protocol (STP)
•
Simple Management Protocol (SMP) and their communication with the RAID controllers.
NOTE: The SAS expander daughter card tray supports up to two daughter cards (depending on the
system configuration).
Removing the SAS expander daughter card
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1.
Ensure that you follow the
2.
Follow the procedure listed in
3.
Disconnect the SAS cables connected to the SAS expander daughter card and hard drive backplane.
Steps
1.
Push the release tabs up to release the SAS expander daughter card.
The SAS expander daughter card slides out disengaging itself from the backplane slots, towards the
front of the system.
2.
Pull the SAS expander daughter card out of the system.
Safety
instructions.
Before working inside your
system.
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Troubleshooting
