NOTE: After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files.

Power Supply

Description

Spare part number

 

 

Power supply, 220W

656722-001

 

 

Power supply, 270W

665224-001

 

 

WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used with the computer.

The rotating power supply is located at the rear of the chassis. It is held in place by a bracket – no screws are used.

WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.

The power supply is secured to the rear of the computer with four Torx screws. On the inside of the computer, a tab secures the power supply to the base pan.

1.Prepare the computer for disassembly (Preparation for Disassembly on page 87).

2.Remove the access panel (Access Panel on page 88).

3.Rotate the drive cage up and disconnect the power cables from all of the drives.

4.Disconnect the power cables from the system board as follows:

●white 24-pin labeled P1 from ATX_POWER system board connector

●white 4-pin labeled P2 from ATX_CPU system board connector

120 Chapter 8 Removal and Replacement Procedures – Small Form Factor (SFF) Chassis

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HP Pro 3515 E3S87UTABA, D3K31UTABA, 3500p D8C44UTABA, C7A34UT Power supply, 220W 656722-001 Power supply, 270W 665224-001
Page 129 Page 131

E3S87UTABA, Pro 3515 E3S87UTABA, Pro 3400 XZ939UT#ABA, C7A31UT#ABA, Pro 3400 A7L25UT#ABA specifications

The HP D3K31UTABA, 3500p D8C44UTABA, C7A35UT#ABA, D3K31UT#ABA, and D8C44UT#ABA are part of HP's extensive lineup of business laptops and desktop computers, designed to meet the demanding needs of professionals and enterprises. Each model showcases HP's commitment to performance, durability, and user-friendly features, making them suitable for a range of applications in various business environments.

The HP D3K31UTABA is a compact and lightweight laptop that emphasizes portability without compromising performance. It typically features an Intel Core i5 or i7 processor, ensuring smooth multitasking and efficient handling of various applications. The device is usually equipped with a 13.3-inch or 14-inch display with Full HD resolution, offering vibrant colors and sharp visuals that enhance productivity during long hours of work. With a robust battery life, users can work on the go without worrying about frequent recharges.

In contrast, the 3500p D8C44UTABA is a more performance-oriented model tailored for enterprise users who require enhanced processing power and reliable connectivity. This laptop often includes features such as a durable chassis, spill-resistant keyboard, and advanced security options like fingerprint readers and TPM (Trusted Platform Module) for data protection. The 3500p is known for its balance of performance and mobility, making it ideal for professionals who travel frequently.

The C7A35UT#ABA is another strong contender in HP's portfolio, designed to provide exceptional versatility. This model typically features an AMD Ryzen processor, catering to users who prefer AMD for its robust performance in multi-threaded applications. Additionally, it often boasts a larger storage capacity through SSD options, ensuring fast data access and improved overall system responsiveness.

The D3K31UT#ABA and D8C44UT#ABA share similarities in design and performance but may differ in specifications such as RAM size, graphics capabilities, and ports for connectivity. Both models offer scalable configurations, allowing businesses to customize them according to their specific needs.

All these models benefit from HP's proprietary technologies such as HP Fast Charge, allowing users to recharge their batteries quickly, and HP Sure Start, which provides self-healing BIOS protection. They also come with HP’s security suite, ensuring data integrity and user privacy.

In summary, the HP D3K31UTABA, 3500p D8C44UTABA, C7A35UT#ABA, D3K31UT#ABA, and D8C44UT#ABA collectively represent HP's dedication to producing high-quality computing devices that cater to the diverse needs of today’s professionals. With a focus on performance, security, and durability, these models are well-equipped to enhance productivity in any business setting.
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