HP Integrity Server rx4640 Removing and Replacing the I/O Baseboard, Removing the I/O Baseboard

Removing and Replacing Components

Removing and Replacing the I/O Baseboard

Step 3. Check the QuickFind diagnostic board LED indicating the replaced fan unit.

•When the fan is functioning normally, the LED is off.

•When the fan fails, the LED is lit.

Step	4.	Replace the top cover. “Replacing the Top Cover” on page 44.
Step	5.	If rack mounted, slide the HP server into the rack until it stops. “Inserting the Server into the
		Rack” on page 39.

Removing and Replacing the I/O Baseboard

These procedures detail how to remove the I/O baseboard from the server. The I/O baseboard is removed from the rear of the server.

WARNING Ensure that the server is powered down and all power sources have been disconnected from the server prior to removing or replacing the I/O baseboard assembly.

Voltages are present at various locations within the server whenever an ac power source is connected. This voltage is present even when the main power switch is in the off position.

Failure to observe this warning could result in personal injury or damage to equipment.

CAUTION Failure to properly complete the steps in this procedure results in erratic server behavior or server failure. For assistance with this procedure contact your local HP Authorized Service Provider.

Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD safety precautions could result in damage to the server.

Removing the I/O Baseboard

To remove the I/O baseboard, follow these steps:

Step	1.	If rack mounted, slide the HP server out from the rack until it stops. See “Extending the Server
		from the Rack” on page 39.
Step	2.	Remove the top cover. See “Removing the Top Cover” on page 43.
Step	3.	Remove the three chassis fan units. See “Removing a Hot-Swap Chassis Fan Unit” on page 63.
Step	4.	Unplug all external cabling attached to ports at the rear of the I/O baseboard.
Step	5.	Unplug the SCSI cables attached to the HBA board in PCI slot 1.

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