The terms ATX and micro ATX refer to form factors (size and dimension) for computer components. A micro-ATX motherboard does not require a micro-ATX in order to function. The determining factor as to whether a power supply can work with a motherboard is actually the computer case. If the computer case can fit the micro-ATX motherboard and the ATX power supply, the two will work together without issue. It's relatively easy to install a micro-ATX motherboard and ATX power supply into a case, assuming that other components such as hard drives and disc drives have already been installed.
- Skill level:
- Moderately Easy
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Things you need
- Computer case (ATX and Micro-ATX compatible)
- Power supply
Remove the side panel of the computer case.
Insert the ATX power supply into place and screw it into the case to secure it. Most computers have an opening for the power supply at the top of the case. The power supply should be inserted with the power switch and AC adaptor plug facing the back of the case. The screw holes for the power supply are on the back of the case.
Insert the motherboard into the case and screw it in. The screw holes are along the edges of the motherboard.
Connect the power supply to the motherboard. There is a main power connector that is either a 20- or 24-pin connector, depending on the type of motherboard. In addition, there may be other connectors the motherboard requires, dependent on the processor it supports. Refer to the motherboard's user manual for the specific connectors required.
Connect any other components such as hard drives, disc drives and PCI cards to the motherboard and power supply, then close the case.
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