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Chapter 3. Hardware Settings
FB127-LX User Manual
FAN Connector (J1, J2, J3)
Pin
Description
Pin
Description
2 FAN_TACH_1
1
FAN_TACH_2
4 +12V
3
+12V
6 PWM_1
5
PWM_1
8 GND
7
GND
FAN Connector (J4, J5, J6, J7)
Pin
Description
Pin
Description
2 FAN_TACH_1
1
FAN_TACH_2
4 +12V
3
+12V
6 PWM_2
5
PWM_2
8 GND
7
GND
Front I/F – JFRONT
Pin
Description
Pin
Description
23 +3VSTBY
24 PIC_SDA5
21 +3VSTBY
22 PIC_SCL5
19 B_MB_ID_BTN_N
20 GND
17 GND
18 GND
15 NC
16 B_MB_ALERT_LED
13 +3VSTBY
14 B_MB_ID_LED
11 NC
12 A_MB_ALERT_LED
9 +3VSTBY
10 A_MB_ID_LED
7 +3VSTBY
8
B_MB_PWR_LED
5 A_MB_ID_BTN_N
6
GND
3 +3VSTBY
4
A_MB_PWR_LED
1 SW_PWR_BTN#
2
GND
MCU_PIC32 ICE (JPIC32_ICE)
MCU_PIC32 UART (JPIC32_UART)
Pin
Description
6 VPP
5 +3VSTBY
4 GND
3 ICSPDAT
2 ICSPCLK
1 NC
MCU_PIC32 USB (JPIC32_USB)
MB_ID_BTN –JMB_ID_A, JMB_ID_B
Pin
Description
4 GND
3 USB+
2 USB-
1 VUSB
Pin
Description
1 UART_RX
2 GND
3 UART_TX
Pin
Description
1 A_MB_ID_BTN_N/
B_MB_ID_BTN_N
2 GND