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

Page 41
Image 41
HP dc7900 manual PCI Connectors, PCI 2.3 Connector, PCI 2.3 Bus Connector Pinout

dc7900 specifications

The HP dc7900 is a well-regarded desktop solution that serves as a testament to HP's commitment to performance, reliability, and user accessibility. Introduced as part of HP’s Compaq line and designed primarily for business professionals, the dc7900 combines powerful processing capabilities with a compact form factor that suits various office environments.

One of the standout features of the HP dc7900 is its robust configuration options. It typically comes equipped with Intel's Core 2 Duo or Quad processors, giving users the ability to handle demanding applications seamlessly. The inclusion of Intel's technologies, such as Intel vPro, enhances remote management and IT control, making it an ideal choice for businesses looking to streamline their operations.

The dc7900 is designed with flexibility in mind. It offers multiple form factors, including mini-tower, small form factor, and ultra-slim desktop configurations. This variety enables organizations to choose a model that best fits their workspace requirements, maximizing both efficiency and aesthetics. The small footprint models are particularly beneficial in space-constrained environments, while the mini-tower version provides expandability for future upgrades.

In terms of graphics capabilities, the HP dc7900 typically features integrated Intel graphics, with options to install discrete graphics cards for users who require enhanced visual performance. This makes the dc7900 suitable for tasks ranging from standard office applications to more graphics-intensive responsibilities.

Connectivity is another key characteristic of the HP dc7900. It is equipped with a variety of ports, including USB 2.0 and audio jacks, allowing users to connect peripherals easily. Additionally, the dc7900 supports legacy connections, making it easier for businesses with older equipment to integrate new systems without hassle.

Durability and reliability are hallmarks of the HP dc7900. Built with high-quality materials and subjected to rigorous testing, this desktop is designed to withstand the demands of a bustling office environment. Furthermore, HP's comprehensive warranty and support options assure businesses of the reliability of their investment.

The HP dc7900 is not just a powerful desktop; it’s a versatile and dependable solution for modern businesses. With its combination of performance, expandability, and solid build quality, the dc7900 remains a relevant choice for those looking to enhance their productivity and efficiency in the workplace.