350 Upgrade and Maintenance Manual
TX150 S8 / TX200 S7
System board and components
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SCU (SKU) key
The SCU (SKU) key enables the SAS functionality of the Onboard controller.
14.2 Replacing the CMOS battery
Safety notes
V CAUTION!
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The CMOS battery must be replaced with an identical battery or with
a battery type recommended by the manufacturer.
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Keep lithium batteries away from children.
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Do not throw batteries into the trash can. Lithium batteries must be
disposed of in accordance with local regulations concerning special
waste.
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For further safety information, please refer to section "Environmental
protection" in the PRIMERGY TX150 S8 / TX200 S7 Operating
Manual.
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Ensure to insert the CMOS battery the with the positive pole
facing up!
14.2.1 Preliminary steps
Ê "Locating the defective server" on page 47
Ê "Shutting down the server" on page 50
Ê "Disconnecting the server from the mains" on page 50
Ê "Getting access to the component" on page 51
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools: tool-less; recommended: tooth pick
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