MSA6X/7X Series
About this document
Enclosure
This document details procedures for replacing a failed riser
board in an MSA6X/7X Series Enclosure.
Riser board replacement
Before you begin
instructions
CAUTION: Before removing the failed component, make sure
that you have the replacement part available. Removing a

component impacts the airflow and cooling ability of the
device.
For updates, visit the HP website:
http://www.hp.com/support/manuals.
To prevent improper cooling and thermal damage, do not
operate the enclosure unless all bays are populated with either

a component or a blank.

Do not remove more than one component or blank from the
enclosure at a time. Doing so impacts the airflow and cooling
ability of the device. To avoid possible overheating, insert the
new or replacement component as quickly as possible. If the
internal temperature exceeds acceptable limits, the enclosure

may overheat and automatically shut down or restart.

Parts can be damaged by electrostatic discharge. Use proper

anti-static protection.


Verifying component failure


Use the following methods to verify component failure:

•
Check to see if there is power to the 7-segment display
board. If the LED on the 7-segment display board is not

illuminated, the riser board may have failed.

NOTE: No power to the 7-segment display board can also be

an indication of the failure of the 7-segment display board, the
power supply, or the midplane.



•
Check the host log for errors.

Removing the riser board

1. Power down the enclosure:

a. Power down any attached servers. See the server
documentation.

b. Press the Power On/Standby button on the enclosure.

c. Wait for the system power LED to go from green to
© Copyright 2006 Hewlett-Packard Development Company, L.P.
amber.
The information contained herein is subject to change without notice.
d. Disconnect the power cords.
The only warranties for HP products and services are set forth in the
2. Extend or remove the enclosure from the rack in which it
express warranty statements accompanying such products and services.
may be installed:
Nothing herein should be construed as constituting an additional
warranty. HP shall not be liable for technical or editorial errors or
a. Loosen the front panel thumbscrews that secure the
omissions contained herein.
enclosure faceplate to the front of the rack.
Part number: 436508-001
b. Disconnect the cabling and extend or remove the
enclosure from the rack.
First edition: November 2006
3. Remove the access panel:
*436508-001*
a. Lift the access panel latch (1).
b. Slide the access panel to the rear (2).

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