HP dc7800 tower manual PCI Connectors, PCI 2.3 Connector, PCI 2.3 Bus Connector Pinout

Models: dc7800 tower

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System Support

4.2.6 PCI Connectors

PCI 2.3 Connector

A1

A49

A52

A62

B2

B49

B52

B62

 

 

 

Figure 4-2. 32-bit, 5.0-volt PCI 2.3 Bus Connector

Table 4-3.

PCI 2.3 Bus Connector Pinout

Pin

B Signal

A Signal

Pin

B Signal

A Signal

Pin

B Signal

A Signal

 

 

 

 

 

 

 

 

 

01

-12 VDC

TRST-

22

GND

AD28

43

+3.3 VDC

PAR

 

 

 

 

 

 

 

 

 

02

TCK

+12 VDC

23

AD27

AD26

44

C/BE1-

AD15

 

 

 

 

 

 

 

 

 

03

GND

TMS

24

AD25

GND

45

AD14

+3.3 VDC

 

 

 

 

 

 

 

 

 

04

TDO

TDI

25

+3.3 VDC

AD24

46

GND

AD13

 

 

 

 

 

 

 

 

 

05

+5 VDC

+5 VDC

26

C/BE3-

IDSEL

47

AD12

AD11

 

 

 

 

 

 

 

 

 

06

+5 VDC

INTA-

27

AD23

+3.3 VDC

48

AD10

GND

 

 

 

 

 

 

 

 

 

07

INTB-

INTC-

28

GND

AD22

49

GND

AD09

 

 

 

 

 

 

 

 

 

08

INTD-

+5 VDC

29

AD21

AD20

50

Key

Key

 

 

 

 

 

 

 

 

 

09

PRSNT1-

Reserved

30

AD19

GND

51

Key

Key

 

 

 

 

 

 

 

 

 

10

RSVD

+5 VDC

31

+3.3 VDC

AD18

52

AD08

C/BE0-

 

 

 

 

 

 

 

 

 

11

PRSNT2-

Reserved

32

AD17

AD16

53

AD07

+3.3 VDC

 

 

 

 

 

 

 

 

 

12

GND

GND

33

C/BE2-

+3.3 VDC

54

+3.3 VDC

AD06

 

 

 

 

 

 

 

 

 

13

GND

GND

34

GND

FRAME-

55

AD05

AD04

 

 

 

 

 

 

 

 

 

14

RSVD

+3.3 AUX

35

IRDY-

GND

56

AD03

GND

 

 

 

 

 

 

 

 

 

15

GND

RST-

36

+3.3 VDC

TRDY-

57

GND

AD02

 

 

 

 

 

 

 

 

 

16

CLK

+5 VDC

37

DEVSEL-

GND

58

AD01

AD00

 

 

 

 

 

 

 

 

 

17

GND

GNT-

38

GND

STOP-

59

+5 VDC

+5 VDC

 

 

 

 

 

 

 

 

 

18

REQ-

GND

39

LOCK-

+3.3 VDC

60

ACK64-

REQ64-

 

 

 

 

 

 

 

 

 

19

+5 VDC

PME-

40

PERR-

SDONE n

61

+5 VDC

+5 VDC

 

 

 

 

 

 

 

 

 

20

AD31

AD30

41

+3.3 VDC

SBO-

62

+5 VDC

+5 VDC

 

 

 

 

 

 

 

 

 

21

AD29

+3.3 VDC

42

SERR-

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

Technical Reference Guide

www.hp.com

4-5

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HP dc7800 tower manual PCI Connectors, PCI 2.3 Connector, PCI 2.3 Bus Connector Pinout

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.