AGP总线定义

   AGP 是 ACCelerated GraphICs Port，是 Intel 推出的一种 3D 图形标准接口，它能够提供四倍于 PCI 的效率，AGP2X 的传输速率达到 533MB。有关 AGP 的说明可以在 Intel 的网站上找到。

引脚定义

PIN

B面

A面

1

Spare

12V

2

5.0V

Spare

3

5.0V

Reserved

4

USB+

USB-

5

Ground

Ground

6

INTB#

INTA#

7

CLOCk

RST#

8

REQ#

GNT#

9

Vcc3.3V

Vcc3.3V

10

ST0

ST1

11

ST2

Reserved

12

RBF#

PIPE#

13

Ground

Ground

14

Spare

Spare

15

SBA0

SBA1

16

Vcc3.3V

Vcc3.3V

17

SBA2

SBA3

18

SB_STB

Reserved

19

Ground

Ground

20

SBA4

SBA5

21

SBA6

SBA7

22

Key

Key

23

Key

Key

24

Key

Key

25

Key

Key

26

Address31

Address30

27

Address29

Address28

28

Vcc3.3V

Vcc3.3V

29

Address27

Address26

30

Address25

Address24

31

Ground

Ground

32

AD_STB1

Reserved

33

Address23

C/BE3#

34

Vddq3.3

Vddq3.3

35

Address21

Address22

36

Address19

Address20

37

Ground

Ground

38

Address17

Address18

39

C/BE2#

Address16

40

Vddq3.3

Vddq3.3

41

IRDY#

FRAME#

42

　

　

43

Ground

Ground

44

　

　

45

Vcc3.3V

Vcc3.3V

46

DEVSEL#

TRDY#

47

Vddq3.3

STOP#

48

Perr#

Spare

49

Ground

Ground

50

SERR#

PAR

51

C/BE1#

Address15

52

Vddq3.3

Vddq3.3

53

Address14

Address13

54

Address12

Address11

55

Ground

Ground

56

Address10

Address9

57

Address8

C/BE0#

58

Vddq3.3

Vddq3.3

59

AD_STB0

Reserved

60

Address7

Address6

61

Ground

Ground

62

Address5

Address4

63

Address3

Address2

64

Vddq3.3

Vddq3.3

65

Address1

Address0

66

SMB0

SMB1

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