Mainboard PM945GZ
12
Front Panel Headers: JPANEL1
JPANEL1
Pin
Assignment
Function
Pin
Assignment
Function
1 +5V
2 Sleep
control
3 N/A
4 Ground
Sleep button
(SLP)
5 N/A
6
N/A
7 Speaker
Speaker
connector
(
SPK
)
8
Power LED (+)
9
HDD LED (+)
10
Power LED (+)
11
HDD LED (-)
Hard drive LED
(
HLED
)
12
Power LED (-)
Power LED
(
P
P
W
W
R
R
_
_
L
L
E
E
D
D
)
13 Ground
14
Power
button
15 Reset control
Reset button
(
RST
)
16
Ground
Power-on button
(On/ Off)
Speaker connector
(Green)
: SPK
A speaker cable on your case front panel can be attached to this header. When you reboot the computer,
this speaker will issue a short audible (beep). If there are problems during the Power On Self-Test, the
system will issue an irregular pattern of audible beeps through this speaker.
Hard drive LED Header
(Orange)
: HLED
If your case front panel has a hard drive LED cable, attach it to this header. The LED will flicker when
there is hard disk drive activity.
Reset button Header
(Red)
: RST
This header can be attached to a momentary SPST switch (reset button) cable on your case front panel.
The switch is normally left open. When the switch closed, it will cause the mainboard to reset and run the
POST (Power-On Self Test).
Sleep button Header
(Black): SLP
If your case front panel has a sleep control cable, attach it to this header. The system will get into sleep
mode when you press the button by setting the system sleep mode.
Power LED Header
(
(
Y
Y
e
e
l
l
l
l
o
o
w
w
)
)
:
PWR_LED
The mainboard provides a power LED header. If there is a 3-pin power LED cord on your case front panel,
you can attach it to the 3-pin power LED header. Then the power LED will illuminate while the system is
powered on.
