2.2.2.4
Front Panel Header
This section describes the functions of the front panel header. Table 24 lists the signal
names of the front panel header. Figure 11 is a connection diagram for the front panel
header.
Table 24. Front Panel Header
Pin
Signal
Hard Drive Activity LED
1
HD_PWR
3
HDA#
Reset Switch
5
Ground
7
FP_RESET#
Power
9
+5 V
Figure 11. Connection Diagram for Front Panel Header
2.2.2.4.1
Hard Drive Activity LED Header
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is
being read from or written to an internal storage device. Proper LED function requires
a SATA hard drive or optical drive connected to an onboard SATA connector.
48
In/
Out
Description
Out
Hard disk LED
pull-up to +5 V
Out
Hard disk active
LED
Ground
In
Reset switch
Power
In/
Pin
Signal
Out
Power LED
2
FP_LED+
Out
4
FP_LED−
Out
On/Off Switch
6
PWR#
In
8
Ground
Not Connected
10
N/C
Description
Front panel green
LED
Front panel yellow
LED
Power switch
Ground
Not connected