Acer Aspire R3700 - Page 53

Chapter 5 47
System Board Pin Definition
Jumper/Header Name Function Definition
SYS_FAN1 (4 PIN) SYSTEM FAN
HEADER
1: GND
2: 5V_S0
3: FANTAC
4. PWM CONTROL
CLR_CMOS1 CLEAR CMOS
HEADER
1-2: CLEAR CMOS
2-3: NORMAL
(Default)
BAT1( 3 PIN) BATTERY HEADER 3: Battery power
output
2: NC
1,4,5: GND
FP1 Front panel header 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