Power and Signal Distribution

Figure 7-4 shows pinouts of headers used on the sytem boards.

Power Button/LED, HD LED

Front I/O USB

Header P5

Header P5

HD LED + 1

HD LED - 3

GND5

Pwr Btn 7

Chassis ID0 9

2 PS LED +

4 PS LED -

8 GND

10 Chassis ID1

+5 V fused 1

USB port 8- 3

USB port 8+ 5

GND 7

2 +5 V fused

4USB port 9-

6 USB port 9+

8 GND

10Front USB detect#

Serial Port B Header P52

Media Card Reader USB I/F

Header P150

 

+5 V fused 1

 

 

 

2 +5 V fused

 

USB port 7- 3

 

 

 

4 USB port 6-

 

USB port 7+

5

 

 

 

6 USB port 6+

 

 

 

 

 

 

 

 

GND

7

 

 

 

8 GND

 

 

 

 

 

 

10 not connected

 

 

 

 

 

 

 

UART2 DTR- 1

UART2 CTS- 3

UART2 TX DATA 5

GND 7

+5.0V 9

UART2 RTS- 11

UART2 DCD- 13

+12V 15

2 UART2 RX DATA

4 UART2 DSR-

6 UART2 RI-

8 GND

10 +3.3V aux

12 Comm B Detect

14 -12V

Front Panel Audio

Header P23Fan Header

Header P8, P16

 

 

Mic In Left (Tip) 1

 

 

 

 

 

2

Analog GND

 

 

1 GND

Mic In Right (Sleeve) 3

 

 

 

 

 

4

Front Audio Detect#

 

 

 

 

 

 

 

2 +12 VDC

 

 

HP Out Right 5

 

 

 

 

 

6 Sense_1 Return

 

 

 

 

 

 

 

 

 

 

3 Fan tach

 

 

Sense Send 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 Fan PWM input

 

 

HP Out Left 9

 

 

 

 

 

10 Sense_2 Return

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE:

No polarity consideration required for connection to speaker header P6. NC = Not connected

Figure 7-4. System Board Header Pinouts

 

Technical Reference Guide

www.hp.com

7-9

Page 83
Image 83
HP dc5850 manual Shows pinouts of headers used on the sytem boards

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.