2. When the node is completely turned off, remove the power cable-retention brackets and remove the
power cables from the rear of the node.
3. After labeling the fibre-channel cables and the Ethernet cables with their locations, remove all of the
cables from the node.
4. Optional: Remove the node from the rack and place it on a flat, static-protective surface. See
“Removing the SAN Volume Controller from a rack” on page 40.
5.
6. Remove the disk-controller and USB riser-card assembly from its packaging and place the riser-card
assembly on a flat, static-protective surface.
7. Install the disk-controller and USB riser-card assembly.
a. Tilt the SAS riser-card assembly slightly and insert the end of the disk controller in the slot on
the retention bracket as shown in the following illustration.
1 Disk-controller front-retention bracket
2 Disk-controller and USB riser-card assembly
3 Disk controller
4 Alignment post
5 Plastic tab
b. Align the riser-card assembly keys correctly with the connector on the system board and press
down on the assembly until it is seated firmly into the connector on the system board.
8. Connect the USB service-controller cable to the USB connector on the USB riser-card assembly, if the
cable is not connected, as described in “Removing and replacing the SAN Volume Controller
2145-CF8 service controller cable” on page 78.
5
3
4
1
2
Figure 200. Engaging the disk-controller front-retention bracket and replacing the riser assembly and disk controller
184 IBM SAN Volume Controller Hardware Maintenance Guide
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