MITX-CFL0 Series - User Guide, Rev. 1.1
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7.7.
Front Panel Pin Header (F_PANEL1 & F_PANEL2)
The front panel connector F_PANEL1 supplies signals for the reset button, storage LED and system warning speaker.
The front panel connector F_PANEL2 supplies signals for the power button, power LED and SM Bus.
Figure 22: Front Panel 1 Pin Header F_PANEL1
Table 27: Pin Assignment F_PANEL1
Pin
Signal
Description
Note
1
Reset
System reset button (+)
2
S
External system warning speaker (+)
3
Reset Button -
System reset button (-)
4
No Pin
5
HDD LED +
HDD activity LED (+). The LED lights up or flashes when data is
ready from or written to the HDD.
6
NC
No connection
7
HDD LED -
HDD activity LED (-).
8
Speaker -
External system warning speaker (-)
Figure 23: Front Panel 2 Pin Header F_PANEL2
Table 28: Pin Assignment F_PANEL2
Pin
Signal
Description
Note
1
Power LED +
System Power LED (+). The LED lights up when users turn on the
system power, and blinks when the system is in sleep mode.
2
Power
System power button (+). Pressing the power button turns the
system on or puts the system in sleep or soft-off mode
depending on the operating system settings. Pressing the
power switch for more than four seconds while the system
turns from ON to OFF.
3
No Pin
4
Power Button -
System power button (-).
5
Power LED -
System Power LED (-).
6
SMB_ALERT#
System management bus alert
7
BATLOW#
Battery low input. This signal may be driven low by external
-
+
SPKR
+
7
8
HLED
2
1
-
+
RSTBTN
-
