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Jumper Example
OPEN - Jumper OFF
CLOSED - Jumper ON
To indicate the location of pin-1
Clear CMOS Switch
You can reset the CMOS settings by shorting this header (J108), if you have
forgotten your system/setup password or need to clear system BIOS settings.
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●
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Reconnect power & power on system
Fan Connector
Pin 1
This 3-pin fan connector supports tachometer monitoring.
There are four 3-pin fan connectors on D1691. Use these connectors to connect chassis and
processor cooling fans to your motherboard. Cooling fans can keep the system stable and
reliable for its product's life.
A26361-D1691-Z120-1-7619, edition 5
Without jumper cover
With jumper cover
Power off system and disconnect both power connectors from the
motherboard
Short J108 for several seconds to Clear CMOS
Remove Jumper
Pin1: GND
Pin2: Power
Pin3: Tachometer
Board Installation
9
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