Intel 0.9 Manual Do Utilizador
Intel ATX Power Supply Design Guide
Version 0.9
Version 0.9
Page 24
+3.3VDC
COM
+5VDC
COM
+5VDC
COM
PWR_OK
+5VSB
+12VDC
+3.3VDC
-12VDC
COM
PS_ON#
COM
COM
COM
-5VDC
+5VDC
+5VDC
Pin 11
Pin 1
ATX Main Power Connector
COM
COM
COM
+3.3VDC
+3.3VDC
+5VDC
Aux Power
Pin 1
Pin 6
(250 W & 300 W Systems)
Connector
+12VDC
COM
COM
+5VDC
Peripheral Power
Connector
Connector
Floppy Drive
Power Connector
Power Connector
+5VDC
COM
COM
+12VDC
Pin 1
Pin 4
Pin 1
Pin 4
+3.3VDC
Figure 4: ATX Power Supply Connectors
(Pin-side view, not to scale)
Listed or recognized component appliance wiring material (AVLV2), CN, rated min 85 °C,
300 VDC shall be used for all output wiring. There are no specific requirements for length
or color of wiring from the power supply. The following sections suggest wire color
coding that is followed by many vendors, but this color coding is NOT required.
300 VDC shall be used for all output wiring. There are no specific requirements for length
or color of wiring from the power supply. The following sections suggest wire color
coding that is followed by many vendors, but this color coding is NOT required.
4.5.1 ATX Main Power Connector
Connector: MOLEX 39-01-2200 or equivalent
(Mating motherboard connector is Molex 39-29-9202 or equivalent)
(Mating motherboard connector is Molex 39-29-9202 or equivalent)
18 AWG is suggested for all wires except for the +3.3 V supply and sense return wires
combined into pin 11 (22 AWG).
For 300 W configurations, 16 AWG is recommended for all +5VDC, +3.3VDC, and COM.
combined into pin 11 (22 AWG).
For 300 W configurations, 16 AWG is recommended for all +5VDC, +3.3VDC, and COM.
Pin
Signal
Color
Pin
Signal
Color
1
+3.3VDC
Orange
11
[11]
+3.3VDC
[+3.3 V default
sense]
sense]
Orange
[Brown]
2
+3.3VDC
Orange
12
-12VDC
Blue
3
COM
Black
13
COM
Black
4
+5VDC
Red
14
PS_ON#
Green
5
COM
Black
15
COM
Black
6
+5VDC
Red
16
COM
Black
7
COM
Black
17
COM
Black
8
PWR_OK
Gray
18
-5VDC
White
9
+5VSB
Purple
19
+5VDC
Red
10
+12VDC
Yellow
20
+5VDC
Red