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Power Supply

Dell™ Vostro™ 420/220/220s Service Manual

Removing the Power Supply

Replacing the Power Supply

DC Power Supply Connectors

DC Power Supply Connector Pin Assignments

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

NOTICE: The procedure for removing and replacing the power supply is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.

Removing the Power Supply

1.Follow the procedures in Before Working on Your Computer.

2.Remove the computer cover (see Removing the Computer Cover).

NOTICE: Note the routing of the DC power cables underneath the metal routing clips (if present) in the computer chassis as you remove them from the system board and drives. You must reroute these cables properly when you reinstall the power supply to prevent them from being pinched or crimped.

3.For the Vostro 220s:

a.Remove the chassis support bracket (see Removing the Chassis Support Bracket).

b.Slide the optical drive forward far enough to gain access to the PWR1 connector on the system board.

c.Remove any installed PCI or PCI Express cards (see Removing a PCI or PCI Express Card).

4.Disconnect the DC power cables from the system board (see System Board Components) and the drives.

5.Disengage the cables from the routing clips (if present) on the chassis.

6.Remove the screws that attach the power supply to the back of the computer chassis.

1

screws (4) (only 3 screws for Vostro 220s)

2

power supply

 

 

 

 

7. Slide the power supply toward the front of the computer and lift it out.

Replacing the Power Supply

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Dell 420, 220S manual Removing the Power Supply, Replacing the Power Supply
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220S, 220, 420 specifications

The Dell 420, 220, and 220S are well-regarded servers in the Dell PowerEdge lineup, showcasing robust performance and reliability for various enterprise applications. These servers are designed to meet the needs of small to medium-sized businesses, as well as larger enterprises seeking reliable computing solutions.

The Dell PowerEdge 420 stands out with its high-density architecture, optimized for virtualization and cloud applications. Equipped with Intel Xeon processors, it offers impressive processing power and scalability, supporting demanding workloads. With the ability to host multiple virtual machines, the 420 provides efficient resource utilization, ensuring that businesses can maximize their IT investments. The server also features advanced storage options, including the support for both traditional hard drives and solid-state drives, allowing for flexible data management and storage strategies.

In contrast, the Dell PowerEdge 220 and 220S are designed with simplicity and cost-effectiveness in mind. These servers feature tower and rack configurations that are ideal for environments with limited space. They leverage Intel's latest processor technologies, enhancing performance while maintaining energy efficiency. This makes the 220 series suitable for a variety of applications, including file and print services, web hosting, and database management.

One of the key characteristics of the Dell 220 and 220S is their ease of use. The systems are designed with straightforward setup procedures, allowing IT administrators to get them up and running quickly. Additionally, these servers come with Dell's OpenManage systems management tools, which offer comprehensive monitoring and management capabilities, enabling IT teams to maintain optimal server performance and reliability.

In terms of networking technologies, all three models support advanced network connectivity options, including multiple Ethernet ports and support for network interface cards (NICs) to ensure high-speed data transmission. Furthermore, they incorporate features such as redundancy in power supplies and cooling systems, enhancing overall system reliability and uptime.

Overall, the Dell 420, 220, and 220S represent a versatile range of server options that cater to varying business needs. With advancements in processing power, storage flexibility, and comprehensive management tools, these servers are well-suited for organizations looking to enhance their IT infrastructure while ensuring performance, reliability, and scalability.
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