VESA总线定义

 VESA 是 Video EleCTRonICs Standards Association 的缩写，本页列出的是扩展部分的引脚定义，非扩展部分请见 ISA 总线的定义。

接口卡的外观

插槽的外观

引脚定义

PIN

Name

Description

A1

D1

Data 1

A2

D3

Data 3

A3

GND

Ground

A4

D5

Data 5

A5

D7

Data 7

A6

D9

Data 9

A7

D11

Data 11

A8

D13

Data 13

A9

D15

Data 15

A10

GND

Ground

A11

D17

Data 17

A12

VCC

+5 VDC

A13

D19

Data 19

A14

D21

Data 21

A15

D23

Data 23

A16

D25

Data 25

A17

GND

Ground

A18

D27

Data 27

A19

D29

Data 2

A20

D31

Data 31

A21

A30

Address 30

A22

A28

Address 28

A23

A26

Address 26

A24

GND

Ground

A25

A24

Address 24

A26

A22

Address 22

A27

VCC

+5 VDC

A28

A20

Address 20

A29

A18

Address 18

A30

A16

Address 16

A31

A14

Address 14

A32

A12

Address 12

A33

A10

Address 10

A34

A8

Address 8

A35

GND

Ground

A36

A6

Address 6

A37

A4

Address 4

A38

WBACK#

Write Back

A39

BE0#

Byte Enable 0

A40

VCC

+5 VDC

A41

BE1#

Byte Enable 1

A42

BE2#

Byte Enable 2

A43

GND

Ground

A44

BE3#

Byte Enable 3

A45

ADS#

Address Strobe

　

　

　

A48

LRDY#

LOCal Ready

A49

LDEV

Local Device

A50

LREQ

Local Request

A51

GND

Ground

A52

LGNT

Local Grant

A53

VCC

+5 VDC

A54

ID2

Identification 2

A55

ID3

Identification 3

A56

ID4

Identification 4

A57

LKEN#

　

A58

LEADS#

Local Enable Address Strobe

　

　

　

B1

D0

Data 0

B2

D2

Data 2

B3

D4

Data 4

B4

D6

Data 6

B5

D8

Data 8

B6

GND

Ground

B7

D10

Data 10

B8

D12

Data 12

B9

VCC

+5 VDC

B10

D14

Data 14

B11

D16

Data 16

B12

D18

Data 18

B13

D20

Data 20

B14

GND

Ground

B15

D22

Data 22

B16

D24

Data 24

B17

D26

Data 26

B18

D28

Data 28

B19

D30

Data 30

B20

VCC

+5 VDC

B21

A31

Address 31

B22

GND

Ground

B23

A29

Address 29

B24

A27

Address 27

B25

A25

Address 25

B26

A23

Address 23

B27

A21

Address 21

B28

A19

Address 19

B29

GND

Ground

B30

A17

Address 17

B31

A15

Address 15

B32

VCC

+5 VDC

B33

A13

Address 13

B34

A11

Address 11

B35

A9

Address 9

B36

A7

Address 7

B37

A5

Address 5

B38

GND

Ground

B39

A3

Address 3

B40

A2

Address 2

B41

n/c

Not connected

B42

RESET#

Reset

B43

DC#

Data/Command

B44

M/IO#

Memory/IO

B45

W/R#

Write/Read

　

　

　

B48

RDYRTN#

Ready Return

B49

GND

Ground

B50

IRQ9

Interrupt 9

B51

BRDY#

Burst Ready

B52

BLAST#

Burst Last

B53

ID0

Identification 0

B54

ID1

Identification 1

B55

GND

Ground

B56

LCLK

Local Clock

B57

VCC

+5 VDC

B58

LBS16#

Local Bus Size 16

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