Opening The System; Removing An Rtc Battery; Nvmem Led - IBM N6270 Hardware And Service Manual

Figure 33. NVMEM LED
2. If you are not already grounded, properly ground yourself.
3. Turn off the power supplies, unplug the power cords from the power source,

Opening the system

To access components inside the controller module, you must open the system.
Procedure
1. If you are not already grounded, properly ground yourself.
2. Unplug the system cables and SFPs from the controller module, as needed, and
3. Disconnect the right and left cable management arms from the controller
4. Loosen the thumbscrew on the cam handle.
5. Pull the cam handle downward and slide the controller module out of the

Removing an RTC battery

You must follow a specific sequence of steps to remove the RTC battery from the
controller module.
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IBM System Storage: N6200 Series Hardware and Service Guide
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NVMEM LED

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and remove the power cords.
keep track of where the cables were connected. Leave the cables in the cable
management arm, so that when you reinstall the cable management arm in the
controller module, the cables will be organized.
module. To release the arms, press the silver button on the power supply side
of each arm, and then remove the arm from the controller module.
system.
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