User's Manual

2-25
Chapter 2: Motherboard information
20. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
Correctly orient the ATX power supply plugs into these connectors and push
down rmly until the connectors completely t.
H310I-IM-B ATX power connectors
ATX12V
+12V_CPU
+12V_CPU
GND
GND
PIN 1
PIN 1
+3.3V
-12V
GND
ATX_PSON#_R
GND GND GND
-5V
+5V +5V +5V
GND
+3.3V +3.3V GND +5V GND +5V GND NC +5VSB +12V +12V +3.3V
A
B
B
A
EATXPWR
Pins Signal Pins Signal
1 +3.3V OUT 13 +3.3V OUT
2 +3.3V OUT 14 NC
3 GND 15 GND
4 +5V OUT 16 NC
5 GND 17 GND
6 +5V OUT 18 GND
7 GND 19 GND
8 NC 20 +12V OUT
9 NC 21 +5V OUT
10 +12V IN 22 +5V OUT
11 +12V IN 23 +5V OUT
12 +3.3V OUT 24 GND
DC Mode EATXPWR
Pins Signal Pins Signal
1 GND 3 +12V IN
2 GND 4 +12V IN
DC Mode ATX12V