mITX-APL
Doc. Rev. 1.2
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// 31
Pin
Signal
Description
Type
4
PWM
Fan speed control.
O
Table 13: Signal Description
Signal
Description
Type
GND
Power Supply GND signal
PWR
12 V
+12 V supply for fan. A maximum of 2000 mA can be supplied from this pin.
PWR
TACHO
Tacho input signal from the fan, for rotation speed supervision RPM (Rotations
Per Minute).
I
PWM
Output signal for FAN speed control.
O
6.9.
Front Panel 1 (internal)
Figure 15: FP1 Connector
Table 14: FP1 Connection
Pin
Description
Pin
Description
1
USB_PWR_D2
2
USB_PWR_D3
3
USBhub_D2-
4
USBhub_D3-
5
US
6
US
7
GND
8
GND
9
NC
10
LINE2-L
11
+5 V
12
+5 V
13
SATA_LED#
14
SUS_LED
15
GND
16
PWRBTN_IN#
17
RSTIN#
18
GND
19
SB3V3
20
LINE2-R
21
AGND
22
AGND
23
MIC2-L
24
MIC2-R
1
