266 Upgrade and Maintenance Manual CX2550/60/70 M4
System board and components
Safety notes
V CAUTION!
● The CMOS battery must be replaced with an identical battery or with
a battery type recommended by the manufacturer.
● Keep lithium batteries away from children.
● Do not throw batteries into the trash can. Lithium batteries must be
disposed of in accordance with local regulations concerning special
waste.
● For further safety information, see section "Environmental protection"
in the PRIMERGY CX2550 M4 / CX2560 M4 / CX2570 M4 Operating
Manual.
● Ensure to insert the CMOS battery with the positive pole facing
up!
9.1.1 Preliminary steps
Perform the following procedures:
Ê Locate the desired server with the ID button.
Ê "Shutting down the server node" on page 50
Ê If applicable, remove all external cables from the server node.
Ê "Removing the server node from the server enclosure" on page 51
Ê Remove the right riser module, see section "Removing the riser module" on
page 58.
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