Power Supply Replacement for old HP ProLiant ML350G3 Server without Motherboard

Power Supply Replacement for old HP ProLiant ML350 G3 Server without Motherboard

In this article, we will discuss the process of replacing the power supplies for an old HP ProLiant ML350 G3 server, even if you want to keep the old motherboard. This is a common problem, and we will provide a detailed guide to help you through the process.

Overview of HP ProLiant ML350 G3 Server

The HP ProLiant ML350 G3 server is a popular choice for many businesses due to its reliability and scalability. It uses two power supplies, each with a 292235-001 backplane connector, to ensure redundancy and increased uptime. However, over time, these power supplies can fail, and it may be necessary to replace them.

Identifying the Power Supplies

The first step in replacing the power supplies is to identify the correct part number. For the HP ProLiant ML350 G3 server, the power supply part number is 334813-B21. It is important to ensure that you have the correct part number before purchasing any replacement parts. You can find this information in the server's documentation or by contacting HP support.

Removing the Old Power Supplies

Once you have the replacement power supplies, you can begin the process of removing the old ones. Here are the steps to follow:

1. Power off the server and unplug it from the power source.
2. Open the server case by removing the screws from the sides and sliding the case open.
3. Locate the power supplies at the back of the server. They will have two cables connected to them: one for the backplane and one for the system board.
4. Disconnect both cables from each power supply.
5. Remove the screws holding the power supplies in place.
6. Carefully slide the power supplies out of the server case.

Installing the New Power Supplies

Now that you have removed the old power supplies, you can install the new ones:

1. Slide the new power supplies into the server case, ensuring that they are oriented correctly.
2. Secure the power supplies in place with the screws.
3. Connect the backplane cable to the new power supplies.
4. Connect the system board cable to the new power supplies.
5. Close the server case and secure it with the screws.
6. Plug the server back into the power source and turn it on.

Testing the New Power Supplies

After installing the new power supplies, it's important to test them thoroughly:

1. Check that the server is booting up correctly.
2. Monitor the system logs for any errors or warnings related to the power supplies.
3. Run a stress test or burn-in test to ensure that the power supplies are operating correctly under load.

Replacing the power supplies in an old HP ProLiant ML350 G3 server is a relatively simple process, even if you want to keep the old motherboard. By following the steps outlined in this article, you can ensure that the new power supplies are installed correctly and are operating correctly. It's important to use the correct part number and to test the new power supplies thoroughly before using the server in a production environment.

References

• HP ProLiant ML350 G3 Server Documentation
• HP ProLiant ML350 G3 Power Supply on eBay