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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
1
Reset Button +
2
Speaker +
3
Reset Button -
4
No Pin
5
HDD LED +
6
NC
7
HDD LED -
8
Speaker -
Figure 23: Front Panel 2 Pin Header F_PANEL2
Table 28: Pin Assignment F_PANEL2
Pin
Signal
1
Power LED +
2
Power Button +
3
No Pin
4
Power Button -
5
Power LED -
6
SMB_ALERT#
7
BATLOW#
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+
RSTBTN
-
+
HLED
-
Description
System reset button (+)
External system warning speaker (+)
System reset button (-)
HDD activity LED (+). The LED lights up or flashes when data is
ready from or written to the HDD.
No connection
HDD activity LED (-).
External system warning speaker (-)
Description
System Power LED (+). The LED lights up when users turn on the
system power, and blinks when the system is in sleep mode.
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.
System power button (-).
System Power LED (-).
System management bus alert
Battery low input. This signal may be driven low by external
1
2
+
SPKR
8
7
-
MITX-CFL0 Series - User Guide, Rev. 1.1
Note
Note
// 42
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