VESA 是 Video Electronics Standards Association 的缩写，本页列出的是扩展部分的VESA总线模式的信号定义。
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VESA总线接口卡
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VESA总线插槽的外观 |
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VESA总线引脚定义 |
|
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 |