Template:ATX power connector

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Revision as of 16:51, 24 January 2009 by 71.41.210.146 (talk) (Added text to color boxes. Does it look like an improvement? Undo if you disagree.)
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24-pin ATX power supply connector
(20-pin omits the last 4: 11, 12, 23 and 24)
Color Signal Pin Pin Signal Color
Orange +3.3 V 1 13 +3.3 V sense Brown
Orange +3.3 V 2 14 −12 V Blue
Black Ground 3 15 Ground Black
Red +5 V 4 16 Power on Green
Black Ground 5 17 Ground Black
Red +5 V 6 18 Ground Black
Black Ground 7 19 Ground Black
Grey Power good 8 20 −5 V (optional) White
Purple +5 V standby 9 21 +5 V Red
Yellow +12 V 10 22 +5 V Red
Yellow +12 V 11 23 +5 V Red
Orange +3.3 V 12 24 Ground Black