Computer Connectors & Pinouts
AT power supply connector
Viewed from above motherboard.
Power good is 5v when power is ok.
|
| 1 |
Power Good |
Orange |
| 2 |
+5v |
Red |
| 3 |
+12v |
Yellow |
| 4 |
-12v |
Blue |
| 5 |
0v |
Black |
| 6 |
0v |
Black |
| 7 |
0v |
Black |
| 8 |
0v |
Black |
| 9 |
-5v |
White |
| 10 |
+5v |
Red |
| 11 |
+5v |
Red |
| 12 |
+5v |
Red |
|
Compaq Deskpro 386n power supply connector
Viewed from connector side of riser card.
Power good is 5v when power is ok.
|
| 1 |
-5v |
| 2 |
-12v |
| 3 |
+5v |
| 4 |
+5v |
| 5 |
+5v |
| 6 |
+5v |
| 7 |
0v |
| 8 |
0v |
| 9 |
0v |
| 10 |
0v |
| 11 |
0v |
| 12 |
+12v |
| 13 |
+5v |
| 14 |
Power Good |
|
AT Keyboard Connector
|
| 1 |
Keyboard Clock |
| 2 |
Keyboard Data |
| 3 |
|
| 4 |
0v |
| 5 |
+5v |
|
PS/2 Keyboard Connector
|
| 1 |
Keyboard Data |
| 2 |
|
| 3 |
0v |
| 4 |
+5v |
| 5 |
Keyboard Clock |
| 6 |
|
|
PS/2 Mouse Connector
|
| 1 |
Mouse Data |
| 2 |
|
| 3 |
0v |
| 4 |
+5v |
| 5 |
Mouse Clock |
| 6 |
0v |
|
Monochrome Video Connector
|
| 1 |
Gnd |
| 2 |
Gnd |
| 6 |
Intensity Output |
| 7 |
Video |
| 8 |
Horizontal Sync |
| 9 |
Vertical Sync |
|
Colour Video Connector
|
| 1 |
Gnd |
| 2 |
Gnd |
| 3 |
Red Output |
| 4 |
Green Output |
| 5 |
Blue Output |
| 6 |
Intensity Output |
| 8 |
Horizontal Sync |
| 9 |
Vertical Sync |
|
VGA Connector
|
| 1 |
Red |
| 2 |
Green |
| 3 |
Blue |
| 6 |
Red Gnd |
| 7 |
Green Gnd |
| 8 |
Blue Gnd |
| 9 |
Reserved |
| 10 |
Sync Gnd |
| 11 |
Gnd |
| 12 |
DDC Data |
| 13 |
Horizontal Sync |
| 14 |
Vertical Sync |
| 15 |
DDC Clock |
|
9-Pin Serial Port Connector
|
| 1 |
DCD |
| 2 |
Rx |
| 3 |
Tx |
| 4 |
DTR |
| 5 |
Signal Gnd |
| 6 |
DSR |
| 7 |
RTS |
| 8 |
CTS |
|
25-Pin Serial Port Connector
|
| 1 |
Frame Gnd |
| 2 |
Tx |
| 3 |
Rx |
| 4 |
RTS |
| 5 |
CTS |
| 6 |
DSR |
| 7 |
Signal Gnd |
| 8 |
DCD |
| 20 |
DTR |
|
Although I have made every effort to ensure these details are correct, I cannot be held responsible for any damage caused by mistakes on this page.
|