System Support

PCI Express Connectors

 

A1

A11

A12

A18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

x1 Connector

 

 

 

 

 

 

 

A82

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

x16 Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B1

B11

B12

 

 

 

 

B82

 

Figure 4-3. PCI Express Bus Connectors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 4-3.

 

 

 

 

 

 

 

 

PCI Express Bus Connector Pinout

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin

B Signal

A Signal

Pin

B Signal

A Signal

Pin

B Signal

A Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

01

+12 VDC

PRSNT1#

29

GND

PERp3

57

GND

PERn9

 

 

 

 

 

 

 

 

 

 

 

 

 

02

+12 VDC

+12 VDC

30

RSVD

PERn3

58

PETp10

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

03

RSVD

+12 VDC

31

PRSNT2#

GND

59

PETn10

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

04

GND

GND

32

GND

RSVD

60

GND

PERp10

 

 

 

 

 

 

 

 

 

 

 

 

 

05

SMCLK

+5 VDC

33

PETp4

RSVD

61

GND

PERn10

 

 

 

 

 

 

 

 

 

 

 

 

 

06

+5 VDC

JTAG2

34

PETn4

GND

62

PETp11

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

07

GND

JTAG4

35

GND

PERp4

63

PETn11

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

08

+3.3 VDC

JTAG5

36

GND

PERn4

64

GND

PERp11

 

 

 

 

 

 

 

 

 

 

 

 

 

09

JTAG1

+3.3 VDC

37

PETp5

GND

65

GND

PERn11

 

 

 

 

 

 

 

 

 

 

 

 

 

10

3.3 Vaux

+3.3 VDC

38

PETn5

GND

66

PETp12

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

11

WAKE

PERST#

39

GND

PERp5

67

PETn12

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

12

RSVD

GND

40

GND

PERn5

68

GND

PERp12

 

 

 

 

 

 

 

 

 

 

 

 

 

13

GND

REFCLK+

41

PETp6

GND

69

GND

PERn12

 

 

 

 

 

 

 

 

 

 

 

 

 

14

PETp0

REFCLK-

42

PETn6

GND

70

PETp13

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

15

PETn0

GND

43

GND

PERp6

71

PETn13

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

16

GND

PERp0

44

GND

PERn6

72

GND

PERp13

 

 

 

 

 

 

 

 

 

 

 

 

 

17

PRSNT2#

PERn0

45

PETp7

GND

73

GND

PERn13

 

 

 

 

 

 

 

 

 

 

 

 

 

18

GND

GND

46

PETn7

GND

74

PETp14

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

19

PETp1

RSVD

47

GND

PERp7

75

PETn14

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

20

PETn1

GND

48

PRSNT2#

PERn7

76

GND

PERp14

 

 

 

 

 

 

 

 

 

 

 

 

 

21

GND

PERp1

49

GND

GND

77

GND

PERn14

 

 

 

 

 

 

 

 

 

 

 

 

 

22

GND

PERn1

50

PETp8

RSVD

78

PETp15

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

23

PETp2

GND

51

PETn8

GND

79

PETn15

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

24

PETn2

GND

52

GND

PERp8

80

GND

PERp15

 

 

 

 

 

 

 

 

 

 

 

 

 

25

GND

PERp2

53

GND

PERn8

81

PRSNT2#

PERn15

 

 

 

 

 

 

 

 

 

 

 

 

 

26

GND

PERn2

54

PETp9

GND

82

RSVD

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

27

PETp3

GND

55

PETn9

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

PETn3

GND

56

GND

PERp9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Technical Reference Guide

www.hp.com

4-5

Page 39
Image 39
HP dc5850 manual PCI Express Connectors, PCI Express Bus Connector Pinout

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.