Air duct
Riser 2
RTC battery and housing
2. Gently push the battery away from the holder, rotate it away from the holder, and then lift it out of the
holder.
Note the polarity of the battery as you remove it from the holder. The battery is marked with
a plus sign and must be positioned in the holder correctly. A plus sign near the holder tells
you how the battery should be positioned.
3. Remove the replacement battery from the antistatic shipping bag.
4. Note the polarity of the RTC battery, and then insert it into the holder by tilting the battery at an angle and
pushing down.
5. Visually inspect the battery to make sure that it is completely installed into the holder and that the polarity is
correct.
Step 5: Install the PCIe risers
You reinstall the PCIe risers after replacing the hardware components in the impaired
controller.
1. Install the riser into the controller module:
a. Align the lip of the riser with the underside of the controller module sheet metal.
b. Guide the riser along the pins in the controller module, and then lower the riser into the controller
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