The P280 comes with six preinstalled motherboard standoffs. These are positioned for Standard ATX motherboards but can be relocated to accommodate other form factors.
1.Align the motherboard with the standoff holes on the motherboard tray and remember or mark which holes are lined up
2.Install standoffs as needed and put the motherboard in.
Installing the motherboard standoffs.
Caution
Make sure to remove any unused motherboard standoffs. They may come into contact with the back of the motherboard and may electrify your chassis exterior if left connected.
3. Screw your motherboard into the standoffs with the provided motherboard mounting screws.
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