Atx Power Connector; At-Style Front Panel Connector - NEC LC1400 Service & Reference Manual

ATX Power Connector

Pin Signal
1 +3.3 VDC
2 +3.3 VDC
3 COM
4 +5 VDC
5 COM
6 +5 VDC
7 COM
8 PWR-OK
9 5 VSB
10 +12 VDC

AT-Style Front Panel Connector

Pin Signal
1 Power button
2 GND
3 NC
4 +5V
5 NC
6 HD LED
7 +5V
8 GND
9 NC
10 Internal Speaker Enable
11 Speaker Out
12 GND
13 NC
14 Power LED
15 NC
16 GND
17 Reset Switch
18 GND
19 NMI switch
ATX Power Connector Pinout
Wire color Pin
Orange 11
Orange 12
Black 13
Red 14
Black 15
Red 16
Black 17
Grey 18
Purple 19
Yellow 20
AT Style Front Panel Connector Pinout
Signal Wire color
+3.3 VDC Orange
3.3 V sense Brown
-12 VDC Blue
COM Black
PS-ON_L Green
COM Black
COM Black
COM Black
-5 VDC White
+5 VDC Red
+5 VDC Red
Connectors E-5