DELL E23S Series User Manual

Installing The Hard-Drive Backplane

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.

Align the slots on the hard-drive backplane with the hooks on the chassis.

NOTE: Before installing the hard-drive backplane, ensure that the hard drives are removed.

2.

Slide down the hard-drive backplane until the release tabs snap into place.

3.

Connect the SAS/SATA/ PCIe SSD data, signal, and power cable(s) to the backplane.

4.

Replace the SAS expander daughter card tray.

5.

Route the cables along the chassis wall as follows:
a. left side of the chassis wall route the control panel/USB cable, PERC card cable, and PCIeSSD cables.
b. right side of the chassis wall route the PERC card cable first and then the PCIeSSD cables.

6.

Install the hard drives in their original locations.

7.

Close the system.

8.

Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.

9.

If applicable, install the front bezel.

SAS Expander Daughter Card

The systems storage uses SAS expander daughter card to facilitate:

•

transition of SAS technology from 6 Gb/s to 12 Gb/s

•

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 supports:

•

Up to 12 gb/s SAS

•

Up to 6 Gb/s SAS and SATA

•

Serial SCSI Protocol (SSP)

•

Spanning-Tree Protocol (STP)

•

Simple Management Protocol (SMP) and their communication with the RAID controllers.

NOTE: The expander daughter card sled supports up to two daughter cards(depending on the configuration).

Removing The SAS Expander Daughter Card

1.

Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and 

peripherals.

2.

Open the system.

3.

Locate the SAS expander daughter card on the system.

4.

Disconnect the SAS cables connected to the SAS expander daughter card and hard-drive backplane.

5.

Push or lift the riser release tabs upwards, so that the tabs are in 90 degrees position.
While lifting the release tabs, the SAS expander daughter card sled slides out disengaging itself from the 
backplane slots, towards the front of the system.

110