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Installing the System
Installing Additional Components
Chapter 3
78
Removing the I/O Baseboard Assembly
CAUTION Before removing the I/O baseboard assembly, record all boot configuration settings displayed by
the BCH INFO ALL command. These values might need to be reset after replacing the I/O
baseboard assembly.
To remove the I/O baseboard assembly, follow these steps:
Step 1. If rack-mounted, slide the server out from the rack until it stops. (See “Extend the Server from the
Rack” on page 64.)
Step 2. Remove the top cover. (See “Removing the Top Cover” on page 73.)
Step 3. Remove the three chassis fan units. (See “Removing a Hot-Swappable Fan Unit” on page 76.)
Step 4. Unplug all external cabling attached to the ports at the rear of the I/O chassis.
Step 5. Unplug the internal SCSI cables attached to the top of the host bus adapter (HBA) board in PCI
slot 1.
Step 6. Lift up on the locking lever attached to the side of the power supply cage to unplug the I/O
baseboard assembly from the socket on the midplane riser board.