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Jumper Settings
Caution!
Never remove jumpers using large pliers as this can damage the pins. The
best way to remove a jumper is to use a small pair of tweezers or fine needle-
nosed pliers.
Never remove a jumper when the computer is switch on. Always switch the
computer off first.
USB device wake-up (3-pin USBPWR_12, USBPWR_34, USBPWR_56)
Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU
stopped, DRAM refreshed, system running in low power mode) using the
connected USB devices. Set to +5VSB to wake up from S3 sleep mode (no
power to CPU, DRAM in slow refresh, power supply in reduced power mode).
Both jumpers are set to pin 2-3 (+5VSB) by default.
The USBPWR_12, and USBPWR_34 jumpers are for the rear USB ports. The
USBPWR_56 is for the internal USB header that you can connect to the front
USB ports.
Clear RTC RAM (CLRTC1)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, time and system setup parameters by erasing the
CMOS RTC RAM data. The RAM data in CMOS, that includes system setup
information such as system passwords, is powered by the onboard button cell
battery.
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