Power and Signal Distribution

7.4Signal Distribution

Table 7-6 lists key reference designators for LEDs, connectors, headers, and switches used on the system boards for systems covered in this guide. Unless otherwise indicated, components are used on all system boards.

 

Table 7-6.

 

System Board Component Designations

 

 

Designator

Component function

CR1

+5 VDC LED

E1

Descriptor table override header

E14

SPI ROM boot block header

E49 / JP49

Password clear header / jumper

J9

Stacked RJ-45 & dual USB connectors

J10

Quad-stacked USB connectors

J20

PCI 2.3 connector

J31

PCIe x1 connector

J32

PCIe x1 connector

J41

PCIe x16 graphics connector

J68

Stacked keyboard, mouse PS/2 connectors

J69

Analog VGA monitor DB-15 connector

J70

Digital DVI-D connector

J78

Stacked audio line-in, headphone/line-out 1/8” jacks

J103

DC input

P1

Power supply connector

P3

Vccp (PWRCPU) header

P5

Control panel (power button, power LED) header

P6

Internal speaker header

P8

System fan header

P9

Chassis fan, primary, header

P10

Diskette drive connector

P23

Front panel audio header

P24

Front panel USB header

P52

Serial port, secondary, header

P53

Serial port, primary connector

P54

Serial port, primary header

P60

SATA0 (controller 1, primary master) connector (dark blue)

P61

SATA1 (controller 1, secondary master) connector (white)

P62

SATA2 (controller 1, primary slave) connector (light blue)

P63

SATA3 (controller 1, secondary slave) connector (orange)

P70

Primary CPU (heatsink) fan header

P126

Parallel port header

P150

Media reader USB header

SW50

Clear CMOS switch

XMM1, 2

Memory slots, channel A (white)

XMM3, 4

Memory slots, channel B (black)

XU1

Processor socket

XB2

Battery socket

 

7-8

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Technical Reference Guide

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HP dc5850 manual Signal Distribution, System Board Component Designations, Designator Component function

dc5850 specifications

The HP dc5850 is a desktop computer that was designed for business environments, offering a blend of performance, reliability, and efficiency. Released during the height of the mid-2000s, this system is powered by AMD processors, particularly the Athlon or Phenom series, which ensures that it can handle various computational tasks with ease.

The dc5850 features a compact chassis that adheres to the Microtower form factor. This design not only saves space but also allows for easier upgrades and maintenance. The unit typically supports a range of RAM configurations, with options for up to 8GB of DDR2 memory. This flexibility enables the user to tailor the system's performance according to their needs, whether for basic office tasks or more demanding applications.

Storage options on the HP dc5850 include a 3.5-inch HDD that can accommodate substantial data, with capacities typically ranging from 160GB to 1TB. The inclusion of a SATA interface ensures fast data transfer rates, which is essential for improving overall system performance. Moreover, the dc5850 boasts multiple USB ports, including USB 2.0 and sometimes even USB 3.0, facilitating easy connectivity with peripherals such as printers, scanners, and external drives.

Graphics capabilities on the dc5850 are generally provided by integrated solutions, although users have the option to add discrete graphics cards for enhanced performance in visual tasks. The system often comes with integrated audio, which supports basic multimedia needs without requiring additional sound cards.

In terms of connectivity, the HP dc5850 features built-in Ethernet for wired networking and may also offer options for Wi-Fi capabilities via PCI expansion slots. This makes it suitable for networked business environments, enabling seamless integration into office infrastructures.

The system is designed with energy efficiency in mind, complying with various environmental standards, thereby reducing its carbon footprint. This aspect may also lead to lower operational costs for businesses focused on sustainability.

Overall, the HP dc5850 stands out as a versatile desktop solution, catering to the essential needs of small to medium-sized businesses. With its combination of performance, expandability, and energy efficiency, it remains a noteworthy choice for users seeking reliable computing power in a compact and manageable form.