Acer Veriton M275 Service Manual page 69

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Jumper/Header Name
SYS_FAN(3 PIN)
CLR_CMOS(3 PIN)
OBR
F_USB1, F_USB2, F_USB3
F_AUDIO
61
SYS_FAN
1
2
3
Header_1X3
CLR_CMOS
3
3
2
2
1
1
Header_1X3
OBR
1
2
Header_1X2
F_USB1
1
2
3
4
5
6
7
8
10
X
Header_2X5_K9
F_USB2
1
2
3
4
5
6
7
8
10
X
Header_2X5_K9
F_USB3
1
2
3
4
5
6
7
8
10
X
Header_2X5_K9
F_AUDIO
1
2
3
4
5
6
7
X
9
10
Header_2X5_K8
Function
SYSTEM FAN
HEADER
CLEAR CMOS
HEADER
OBR HEADER
USB HEADER (2X5)
FRONT PANEL AUDIO
HEADER (2X5)
Definition
1: GND
2: CONTROL
3: SENSE
1-2:CLEAR_CMOS
(2:RTC_RSTJ)
2-3:NORMAL
(3:VCC_RTC)
1:OBR
2: GND
1. VCC
2. VCC
3. D1-
4. D0-
5. D1+
6. D0+
7. GND
8. GND
9. KEY
10.NC
1: FMIC_L
2: AGND
3: FMIC_R
4:Audio_PRESENCE
_L
Chapter 5

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