Acer Aspire R3700 Service Manual page 53

System Board Pin Definition
Jumper/Header Name
SYS_FAN1 (4 PIN)
CLR_CMOS1
BAT1( 3 PIN)
FP1
Chapter 5
Function
SYSTEM FAN
HEADER
CLEAR CMOS
HEADER
BATTERY HEADER
Front panel header
Definition
1: GND
2: 5V_S0
3: FANTAC
4. PWM CONTROL
1-2: CLEAR CMOS
2-3: NORMAL
(Default)
3: Battery power
output
2: NC
1,4,5: GND
1: GND
2: F_USBPWR2
3: USB_P5+
4: USB_P5-
5: GND
6: F_USBPWR2
7: USB_P4+
8: USB_P4-
9: OBR_GPIO
10: KEY
11: PANSWHJ
12: LEDP
13: GND
14: PMSLED
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