2. Connect the SAS signal and power cables to the replacement backplane.
3. Feed the SAS signal and power cables into the server through the hard disk
drive cage opening while you push the inner hard disk drive cage into the
server. Push the inner hard disk drive cage assembly into the server until it
stops.
4. Connect the SAS signal and power cables to the system-board and the
ServeRAID-8s adapter.
5. Reinstall the fan cage.
6. Replace the left-side cover.
7. Replace the hard disk drives.
8. Reconnect the external cables and power cords.
9. If you are replacing both 2.5-inch SAS backplanes, repeat steps 1 and 2 to
install the second replacement backplane.
SAS backplane
To remove a Serial Attached SCSI (SAS) backplane, complete the following steps.
Hard disk
drive backplane
Locator pins
1. Read the safety information that begins on page vii, and “Handling
static-sensitive devices” on page 57.
2. Turn off the server and peripheral devices, and disconnect the power cords and
all external cables necessary to replace the device.
3. Remove the left-side cover.
4. Pull the hard disk drives out of the server slightly to disengage them from the
SAS backplane.
5. Note where the cables are connected to the SAS backplane, and then
disconnect the power and SAS signal cables from the SAS backplane.
6. Lift the retention bracket that holds the backplane in place; then, grasp the top
edge of the backplane and rotate it toward the rear of the server. When the
backplane is clear of the retention bracket, remove it from the server.
7. If you are removing both SAS backplanes, repeat steps 5 and 6 to remove the
remaining backplane.
Chapter 4. Removing and replacing server components 89
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