Asus A7V8X A7V8X User Manual - Page 41

ASUS A7V8X motherboard user guide, USB device wake-up 3-pin USBPWR_12, USBPWR_34, USBPWR_56

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3. 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 pins 1-2 (+5V) by default because not all computers have the appropriate power supply to support this feature. The USBPWR_12 and USBPWR_34 jumpers are for the rear USB ports. The USBPWR_56 jumper is for the internal USB header that you can connect to the front USB ports. 1. This feature requires a power supply that can provide at least 2A on the +5VSB lead when these jumpers are set to +5VSB. Otherwise, the system does not power up. 2. The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. USBPWR_12 USBPWR_34 12 23 +5V (Default) +5VSB ® A7V8X USBPWR_56 12 23 +5V A7V8X USB Device Wake Up (Default) +5VSB ASUS A7V8X motherboard user guide 2-15

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ASUS A7V8X motherboard user guide
2-15
3.
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 pins 1-2 (+5V)
by default because not all computers have the appropriate power
supply to support this feature.
The USBPWR_12 and USBPWR_34 jumpers are for the rear USB
ports. The USBPWR_56 jumper is for the internal USB header that you
can connect to the front USB ports.
1.
This feature requires a power supply that can provide at least 2A
on the +5VSB lead when these jumpers are set to +5VSB.
Otherwise, the system does not power up.
2.
The total current consumed must NOT exceed the power supply
capability (+5VSB) whether under normal condition or in sleep
mode.
A7V8X
A7V8X USB Device Wake Up
USBPWR_12
USBPWR_56
(Default)
(Default)
+5V
12
+5V
12
+5VSB
23
+5VSB
23
USBPWR_34