Disconnect the SATA-3 cable from the motherboard and from the HDD/SSD.
3.
Remove the bridge board and hex support screw.
4.
Disconnect the 2x7 fan control cable from the motherboard.
5.
Disconnect the two main power connectors from the motherboard.
Remove Motherboard
6.
Remove the 7 screws (6-32 x 5/16) that secure the motherboard to the chassis. (The 8th screw was the hex
support screw for the bridge board that was already removed.)
7.
Lift the motherboard out of the chassis and place it on an ESD-safe work surface.
GB522X Motherboard Installation
About this task
GB522X Exploded Views
on page 16.
Install Motherboard
1.
Add DIMMs and processors to the replacement motherboard.
2.
If necessary, remove the blank InfiniBand (IB) cover from the front panel.
3.
Check that an EMI gasket is in position on the inside of the front panel.
4.
Check that a motherboard insulator is in position in the bottom of the chassis and the standoffs are not
obstructed.
5.
Install the motherboard into the chassis.
Tip/angle the front of the board down into the chassis so the I/O connectors fit into the openings in the front
panel. Some pressure may be needed to compress the EMI gasket and align the holes in the motherboard
with the standoffs in the chassis. Check that all I/O connectors are clear of any obstruction.
6.
Reinstall the bridge hex support screw.
7.
Secure the motherboard with seven 6-32 x 5/16 screws.
8.
Install the bridgeboard. For GB522X second generation blades, connect the SATA-3 cable to the motherboard
and HDD/SSD.
9.
Connect the fan control and power connectors.
10.
Reinstall the PCIe card assembly.
Motherboard, Processor and DIMM Replacement
HR90-2009
33
CS400-AC Hardware Replacement Procedures