You might need to remove the system board from a 2145-DH8 node.
Before you begin
DANGER
Multiple power cords. The product might be equipped with multiple
power cords. To remove all hazardous voltages, disconnect all power cords. (L003)
Procedure
Perform the following steps to install the system board:
- Read the safety information.
- Turn off the node and any attached devices.
- Turn off the peripheral devices and disconnect all power
cords.
- Pull the power supplies out of the rear of the node, enough to disengage them from the
node.
- Remove the cover.
- Remove all PCI riser-card assemblies and adapters.
- Remove the air baffle.
- Remove the ServeRAID SAS/SATA controller.
- Remove the dual-port network adapter.
- Remove the memory modules and set them aside on a static-protective
surface for reinstallation.
Note: Make a note of the location
of each DIMM as you remove it so that you can reinstall it in the
same connector.
- (Trained technician only) Remove all heat sinks and microprocessors,
and set them aside on a static-protective surface for reinstallation.
Notes: - Remove the socket covers from the microprocessor sockets on the new system board and place them
on the microprocessor sockets of the system board you are removing.
- Do not allow the thermal grease to come in contact with anything, and keep each heat sink paired
with its microprocessor for reinstallation. Contact with any surface can compromise the thermal
grease and the microprocessor socket. A mismatch between the microprocessor and its original heat
sink can require the installation of a new heat sink.
- Remove the system battery.
- Disconnect all cables from the system board. Make a list of each cable as you disconnect it.
You can then use this list as a checklist when you install the new system board.
Attention: Disengage all latches, release tabs, or locks on cable connectors when you
disconnect all cables from the system board. Failing to release them before you remove the cables
damages the cable sockets on the system board. The cable sockets on the system board are fragile.
Any damage to the cable sockets might require replacing the system board.
- Remove the hot-swap fans.
- Pull out and lift the pin and the thumbscrews on each side
of the system board, as shown in Figure 1.
Figure 1. Removing the SAN Volume Controller 2145-DH8 system
board
- Remove the socket covers from the microprocessor sockets
on the new system board and place them on the microprocessor sockets
of the old system board that you are removing.
- If you are instructed to return the system board, follow
all packaging instructions, and use any packaging materials for shipping
that are supplied to you.
Attention: Make sure
to place the socket covers for the microprocessor sockets on the system
board before you return the system board.
