2.2.2.4
Front Panel Header
This section describes the functions of the front panel header. Table 19 lists the signal
names of the front panel header. Figure 12 is a connection diagram for the front panel
header.
Table 19. Front Panel Header
Pin
Signal
Hard Drive Activity LED
1
HD_PWR
3
HDA#
Reset Switch
5
Ground
7
FP_RESET#
9
+5 V
Figure 12. Connection Diagram for Front Panel Header
In/
Out
Description
Out
Hard disk LED
pull-up to +5 V
Out
Hard disk active
LED
Ground
In
Reset switch
Power
Power
Pin
Signal
Power LED
2
HDR_BLNK_GRN
4
HDR_BLNK_YEL
On/Off Switch
6
FPBUT_IN
8
Ground
Not Connected
10
N/C
Technical Reference
In/
Out
Description
Out
Front panel green
LED
Out
Front panel yellow
LED
In
Power switch
Ground
Not connected
47