Front Panel Connector; Front Panel Connector Location; Front Panel Connector Pin Assignments; At-Style Front Panel Connector Pin Assignments - NEC PowerMate Professional 9000E Series Service Manual

Front Panel Connector

The pin assignments for front panel connectors J4 are as follows.
A - Front Panel Power LED Connector B - Speaker Connector
C - Hard Drive LED Connector D - Power Switch Connector
Pin
1
3
5
7
9
11
13
15
Pin
1
2
3
4
5
6

Front Panel Connector Location

Front Panel Connector Pin Assignments

Signal Name
GND
Front panel reset
+5V
Front panel NMI switch
Fan failure indicator LED
Power fault LED
I2C data line
I2C clock line

AT-Style Front Panel Connector Pin Assignments

Signal Name
Power Button
GND
+5V
Key
HD LED
+5V
Pin Signal Name
2 Hard disk activity LED
4 Front panel power switch
6 NC
8 +5V
10 Chassis intrusion switch
12 +5V standby
14 GND
16 GND
Pin Signal Name
7 +5V
8 NC
9 GND
10 GND
11 Reset Button
System Board 4-19