Sas Backplane - IBM 88643RU - System x3850 - 8864 Service Manual

SAS backplane

To remove the Serial Attached SCSI (SAS) backplane, complete the following steps.
Guide channels
1. Read the safety information that begins on page vii, and "Handling
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Remove the top cover.
4. Pull the hard disk drives out of the server slightly to disengage them from the
5. Note where the SAS cables are connected, and then disconnect the 2 SAS
6. Squeeze the two blue release tabs.
7. Lift the SAS backplane out of the server slightly; then, disconnect the power
To install a SAS backplane, complete the following steps:
1. Connect the power cable to the replacement backplane.
2. Slide the backplane into the card guides.
3. Align the two slots in the backplane with the two guide tabs; then, press firmly
4. Reconnect the SAS cables to the backplane.
5. Replace the top cover.
6. Replace the hard disk drives.
7. Reconnect the external cables and power cords.
SAS connectors
static-sensitive devices" on page 31.
all external cables necessary to replace the device.
SAS backplane.
cables from the SAS backplane.
cable and remove the backplane.
until the blue tabs secure the backplane.
Release tabs
Chapter 4. Removing and replacing server components
53