User manual

21 ACP-2010MB User Manual
Chapter 3 Operation
3.5 Replacing the Power Supply
The ACP-2010MB supports either a 300 W or a 400 W 2-U-high power supply.
To replace the power supply, proceed as follows:
1. Unplug the power cord from the power supply.
2. Remove the top cover.
3. Unplug the 20-pin (or 24-pin) ATX power connector and 4-pin +12 V power con-
nector from the motherboard, as well as the power connectors from all disk
drives.
4. Loosen the three screws on the rear plate and the two screws on the power sup-
ply bracket and gently remove it (see Figure 3.7).
5. Replace the power supply with a new one and fasten it onto the chassis.
6. Plug in the 20-pin (or 24-pin) ATX power connector and the 4-pin +12 V power
connector to the motherboard. Plug the other power connectors to the disk
drives and peripherals.
7. Replace the top cover. Then plug in the power cord.
Figure 3.7 Replacing the power supply