User`s guide

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Installation
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2. Remove the side cover.
3. Remove the CPU duct cover.
4. Insert the Option A fan unit into the slot for additional front fan.
Insert the groove of the Option A fan unit along with the guide of the factory-installed front fan, and push it to
the end.
5. Remove the fan box from the slot for additional rear fan.
Remove the stopper, then slowly lift the fan box to remove it.
Option A fan unit
Factory-installed front fan
Fan box