Connector Pinouts; Atx Power Connector; Primary Power Connector (J11) - Intel 440BX Manual

4.5

Connector Pinouts

4.5.1

ATX Power Connector

Table 5 shows the signals assigned to the ATX style power connector.
Table 5. Primary Power Connector (J11)
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
®
Intel 440Bx Scalable Performance Board Development Kit Manual
Name Function
3.3 V 3.3 V
3.3 V 3.3 V
GND Ground
+5V +5 V VCC
GND Ground
+5V +5 V VCC
GND Ground
PWRGD Power Good
5VSB Standby 5 V
+12 V +12 V
3.3 V 3.3 V
–12 V –12 V
GND Ground
PS_ON# Soft-off control
GND Ground
GND Ground
GND Ground
–5 V –5 Volts
+5 V +5 V VCC
+5 V +5 V VCC
Hardware Reference
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