PCI Express Power (8 pin)

From HwB

(Difference between revisions)
 
Line 5: Line 5:
 
== Pinout ==
 
== Pinout ==
  
  8765
+
  5678
 
   _
 
   _
  U#UU     (at Video card)
+
  U##U     (at Video card)
  UUU#    (#=Square connector, U=Square at top and U shaped at bottom)
+
  #UU#    (#=Square connector, U=Square at top and U shaped at bottom)
 
   
 
   
 
  4321
 
  4321
  
  5678
+
  8765
 
   =
 
   =
  UU#U    (at cable from Power supply unit)
+
  U##U    (at cable from Power supply unit)
  #UUU     (#=Square connector, U=Square at top and U shaped at bottom)
+
  #UU#     (#=Square connector, U=Square at top and U shaped at bottom)
 
   
 
   
 
  1234
 
  1234
Line 24: Line 24:
 
| 1  || +12V (yellow)
 
| 1  || +12V (yellow)
 
|-
 
|-
| 2  || +12V (yellow) (or N/C)
+
| 2  || +12V (yellow)
 
|-
 
|-
 
| 3  || +12V (yellow)
 
| 3  || +12V (yellow)
 
|-
 
|-
| 4  || +12V (black?)
+
| 4  || GND (black)
 
|-
 
|-
 
| 5  || GND (black)
 
| 5  || GND (black)
Line 38: Line 38:
 
| 8  || GND (black)
 
| 8  || GND (black)
 
|}
 
|}
 
''Note: Pin 2 is N/C (not connected) according to the specification. But most power supplies have +12V connected on pin 2.''
 
  
 
== Contributor ==
 
== Contributor ==

Latest revision as of 11:27, 5 November 2007

Todo: This page needs some editing.

Connector found at PCI Express cards which needs extra power from the power supply unit, usually video cards.
First introduced in PCI Express v2.0. Maximum power usage is 150W.

Pinout

5678
 _
U##U     (at Video card)
#UU#     (#=Square connector, U=Square at top and U shaped at bottom)

4321
8765
 =
U##U     (at cable from Power supply unit)
#UU#     (#=Square connector, U=Square at top and U shaped at bottom)

1234
Pin Name
1 +12V (yellow)
2 +12V (yellow)
3 +12V (yellow)
4 GND (black)
5 GND (black)
6 GND (black)
7 GND (black)
8 GND (black)

Contributor