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ASUS A7N266-E User’s Manual
3. HARDWARE SETUP
3. H/W SETUP
Motherboard Settings
7) Clear RTC RAM (2-pin CLR_RTC)
This jumper allows you to reset the Real Time Clock (RTC) RAM in CMOS.
The RAM data in CMOS, that include system setup information such as system
passwords, is powered by the onboard button cell battery. Erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Remove the battery.
3. Change the jumper from “normal” to “clear CMOS” for a few seconds
then replace the jumper cap to the “normal” position.
4. Re-install the battery.
5. Plug the power cord and turn ON the computer.
6. Hold down the <Del> key during boot-up to enter BIOS setup.
A7N266-E
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®
A7N266-E Clear RTC RAM
12
CLRTC
Normal Clear CMOS
23
(Default)
6) USB Device Wake-up (USB01PWR / USB23PWR / USB45PWR)
Set these jumpers to +5V to allow wake up from the S1 sleep state (CPU stopped;
RAM refreshed; system running in low power mode). The default setting for
the three jumpers is [1-2] to select +5V, since not all computers have the
appropriate power supply.
NOTE: This feature requires an ATX power supply that can supply at least 2A
on the +5VSB lead when these jumpers are set to +5VSB. Otherwise, the system
does not power up. The total current consumed must NOT exceed the power
supply capability (+5VSB) for normal working conditions or in sleep mode.
A7N266-E
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®
A7N266-E USB Device Wake Up
USBPWR45
USBPWR23
USBPWR01
+5VSB
2
3
+5V
(Default)
1
2
+5V
12
(Default)
+5VSB
23