Biostar NF44X-A7 User Manual page 20

JPANEL1: Header for Front Panel Facilities
This 24-pin connector includes Power-on, Reset, HDD LED, Power LED, Sleep
button, speaker and IrDA Connection. It allows user to connect the PC case's
front panel switch functions.
Pin Assignment
1 +5V
3 N/A
5 N/A
7 Speaker
9 HDD LED (+)
11 HDD LED (-)
13 Ground
15 Reset control
17 N/A
19 N/A
21 +5V
23 IRTX
NF44X-A7
Function Pin
2 Sleep control
4 Ground
Speaker
Connector
6 N/A
8 Power LED (+)
10 Power LED (+)
Hard drive LED
12 Power LED (-)
14 Power button
Reset button
16 Ground
18 Key
20 Key
IrDA Connector
22 Ground
(optional)
24 IRRX
18
optional
24 23
2 1
Assignment Function
Sleep button
N/A
Power LED
Power-on
button
IrDA Connector
(optional)