Front Panel Header (Cn18); Power Input Connectors (Atx1 And Cn19) - AXIOMTEK IMB530 User Manual

2.4.14

Front Panel Header (CN18)

This is a front panel header (7x2-pin p=2.54mm).
Pin Signal
1 Power LED+
2
SPK-
3 GND
4 BUZZER
5 Power LED-
6 N/C
7 N/C
8
SPK+
9 PWR-
10 PWR+
11 RESET-
12 RESET+
13 HD LED-
14 HD LED+
[*]
connected; the external speaker on the chassis will be active when pin 2
Note and pin 4 are open.
2.4.15

Power Input Connectors (ATX1 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 and CN19 in only one orientation. Properly
press down power supply plug until it completely and firmly fits into the connector. Loose
connection may cause system instability.
ATX1 CPU power input connector:
Pin ATX1 Signal
1 GND
2 GND
3 GND
4 GND
22
[*]
[*]
: The buzzer on the motherboard will be active when pin 2 and pin 4 are
Pin ATX1 Signal
5 +12V
6 +12V
7 +12V
8 +12V
5 1
4
8
Board and Pin Assignments