IMB700 LGA4189 ATX Motherboard
16
Board and Pin Assignments
2.5.10
Power Input Connectors (ATX1, ATX2, CN18 and CN19)
Steady and sufficient power can be supplied to all components on the motherboard by
connecting the power connector. Please make sure all components and devices are
properly installed before connecting the power connector.
An external power supply plug fits into ATX1/2 and CN18/19 in only one orientation.
Properly press down the power supply plug until it completely and firmly fits into the
connector. Loose connection may cause system instability.
ATX2 CPU power input connector:
CN19 CPU power input connector:
ATX1 ATX 12V power input connector:
CN18 24-pin ATX power input connector:
Pin ATX2 Signal
Pin
ATX2 Signal
1
GND
3
+12V
2
GND
4
+12V
Pin ATX2 Signal
Pin
ATX2 Signal
1
GND
5
+12V
2
GND
6
+12V
3
GND
7
+12V
4
GND
8
+12V
Pin ATX2 Signal
Pin
ATX2 Signal
1
GND
3
+12V
2
GND
4
+12V
Pin CN26 Signal
Pin CN26 Signal
1
3.3V
13
3.3V
2
3.3V
14
-12V
3
GND
15
GND
4
+5V
16
PS_ON
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
PWR OK
20
-5V
9
5VSB
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
3.3V
24
GND
1
4
5
8
1
12
13
24
Summary of Contents for IMB700
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