Asus P4T-F User Manual - Page 21

ASUS P4T-F User's Manual, USB Device Wake-up, USBPWR, NOTES - ram

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3. HARDWARE SETUP 4) USB Device Wake-up (USBPWR) Set these jumpers to +5V to allow wake up from the S1 sleep state (CPU stopped; RAM refreshed; system running in low power mode) using the connected USB devices. Set to +5VSB to allow wake up from S3 sleep state (no power to CPU; RAM in slow refresh; power supply in reduced power mode). The default setting for the three jumpers is 1-2 to select +5V (because not all computers have the appropriate power supply). NOTES: 1. 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. 2. The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal working conditions or in sleep mode. USBPWR 2 1 +5VSB 3 2 +5V P4T-F P4T-F USB Device Wake Up 3. H/W SETUP Motherboard Settings ASUS P4T-F User's Manual 21

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21
3. HARDWARE SETUP
ASUS P4T-F User’s Manual
Motherboard Settings
3. H/W SETUP
P4T-F
P4T-F USB Device Wake Up
USBPWR
+5V
1
2
+5VSB
2
3
4)
USB Device Wake-up
(USBPWR)
Set these jumpers to +5V to allow wake up from the S1 sleep state (CPU stopped;
RAM refreshed; system running in low power mode) using the connected USB
devices.
Set to +5VSB to allow wake up from S3 sleep state (no power to CPU;
RAM in slow refresh; power supply in reduced power mode). The default set-
ting for the three jumpers is 1-2 to select +5V (because not all computers have
the appropriate power supply).
NOTES:
1.
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.
2.
The total current consumed must NOT exceed the power supply capability
(+5VSB) whether under normal working conditions or in sleep mode.