HP dc7800 tower manual Energy Star Compliancy, Shows the power supply cabling for CMT systems

Models: dc7800 tower

1 120
Download 120 pages 24.6 Kb
Page 83
Image 83

Power and Signal Distribution

Figure 7-4 shows the power supply cabling for CMT systems.

P9 P10 P11

P4, P5, P9, P10, P11

Power Supply

Unit

P6 P8

P4 P5

P3

P1

13

1

5 4 3 2 1

 

 

 

 

P8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

3

2

1

 

 

 

 

 

2

 

4

 

 

 

 

 

P6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

3

4

P1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

12

 

 

 

 

 

 

 

 

 

 

Pin

Pin

Pin

Conn

Pin 1

Pin 2

Pin 3

Pin 4

Pin 5

Pin 6

Pin 7

Pin 8

Pin 9

10

11

12

 

 

 

 

 

 

 

 

 

 

 

 

 

P1

+3.3

+3.3

RTN

+5

RTN

+5

RTN

POK

5 aux

+12

+12

+3.3

 

 

 

 

 

 

 

 

 

 

 

 

 

P1 [1]

+3.3

-12

RTN

PS On

RTN

RTN

RTN

PSDet

+5

+5

+5

RTN

 

 

 

 

 

 

 

 

 

 

 

 

 

P3

RTN

RTN

VccP

VccP

 

 

 

 

 

 

 

 

P4, 5, 9,

+3.3

RTN

+5.08

RTN

+12

 

 

 

 

 

 

 

10, 11

 

 

 

 

 

 

 

 

 

 

 

 

P6

+12

RTN

RTN

+5

 

 

 

 

 

 

 

 

P8

+5

RTN

RTN

+12

 

 

 

 

 

 

 

 

NOTES:

Connectors not shown to scale. All + and - values are VDC. RTN = Return (signal ground) GND = Power ground

RS = Remote sense

POK = Power ok (power good)

[1] This row represents pins 13–24 of connector P1.

Figure 7-4. CMT Power Cable Diagram

7.2.3 Energy Star Compliancy

The standard USDT power supply unit is 87 percent efficient and compliant with the Energy Star 4.0 specification. The standard power supply unit for SFF and CMT systems is Energy Star

3.0-compliant. An Energy Star 4.0 (80Plus Bronze-compliant) power supply unit is available as an option for the SFF and CMT form factors.

 

Technical Reference Guide

www.hp.com

7-5

Page 83
Image 83
HP dc7800 tower manual Energy Star Compliancy, Shows the power supply cabling for CMT systems

dc7800 tower specifications

The HP dc7800 Tower is a powerful desktop computer designed for professional and enterprise environments. Known for its stability, performance, and versatility, this model has secured its place in a variety of business settings. Launched in the mid-2000s, it embodies HP’s commitment to quality and innovation.

One of the main features of the HP dc7800 is its form factor. The tower configuration allows for easy upgrades and maintenance, providing ample space for additional hard drives, memory, and other components. This level of accessibility makes it ideal for businesses that need to adapt their systems to changing requirements.

The dc7800 is powered by Intel's Core 2 Duo processors, offering dual-core technology that enhances multitasking capabilities. With clock speeds ranging from 1.8 GHz to 3.0 GHz, this system can handle demanding applications with relative ease. It also supports Intel's vPro technology, which allows for remote management and security features, making it an excellent choice for organizations prioritizing IT control.

Another notable characteristic is the support for up to 8GB of DDR2 RAM. This allows for efficient data processing and improved performance when running multiple applications simultaneously. Additionally, the dc7800 features multiple storage options, accommodating both SATA hard drives and solid-state drives, which can significantly enhance boot times and overall system responsiveness.

Connectivity options on the HP dc7800 are robust. It includes a variety of USB ports, audio jacks, and optional legacy ports, ensuring compatibility with a wide range of peripherals and accessories. Networking capabilities are also prominent, with built-in Gigabit Ethernet providing high-speed internet access.

Furthermore, the desktop tower is designed with energy efficiency in mind. It meets ENERGY STAR certification standards, which not only helps reduce operational costs but also minimizes environmental impact.

Overall, the HP dc7800 Tower embodies a blend of performance, expandability, and energy efficiency, making it a reliable choice for businesses in need of a robust desktop solution. With its legacy of dependability and its suite of modern technologies, it continues to serve as a valuable asset in enterprise environments.