Jumper Setting; Setting Jumper - Acer Aspire M3970 Service Manual

Jumper Setting

The section explains how to set jumper for correct configuration of the mainboard.

Setting Jumper

Use the motherboard jumpers to set system configuration options. Jumpers with more
numbered. When setting the jumpers, ensure that the jumper caps are
Internal header pin definition
Jumper/Header Name
CPU_FAN (4 PIN)
Header_1X3
1
2
3
CPU_FAN
SYS_FAN (3 PIN)
CLR_CMOS (3 PIN)
Chapter 5
Function
CPU FAN HEADER
SYS FAN HEADER
Yellow is symbol, Red is Pin 1 of symbol.
CLEAR CMOS HEADER
Yellow is symbol, Red is Pin 1 of symbol.
Than one pin are
Placed on the correct pins.
Definition
1: PWM
2: SENSE
3: POWER
4: GND
1: SENSE
2: POWER
3: GND
1-2:CLEAR_CMOS
(1:Ground, 2:RTC_RSTJ)
2-3:NORMAL
(3:VCC_RTC)
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