Sas Expander Daughter Card - Dell PowerEdge R930 Owner's Manual

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Safety instructions
Before working inside your system
Installing the SAS expander daughter card
Installing the memory riser and fan cage
Installing a cooling fan
Installing a memory riser
Installing a hot swappable hard drive carrier
Installing the optional front bezel
After working inside your system

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 Follow the safety guidelines listed in the Safety instructions section.
2 Follow the procedure listed in the Before working inside your system section.
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.
Installing and removing system components 167