Asus P4V800D-X Motherboard DIY Troubleshooting Guide - Page 26

USB device wake-up 3-pin USBPW12, USBPW34, USBPW56, USBPW78, Keyboard power 3-pin KBPWR

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2. USB device wake-up (3-pin USBPW12, USBPW34, USBPW56, USBPW78) 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 and S4 sleep modes (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). The USBPWR12 and USBPWR34 jumpers are for the rear USB ports. The USBPWR56 and USBPWR78 jumper is for the internal USB connectors that you can connect to additional USB ports. P4V800D-X USBPW1 2 1 +5V (Default) 3 2 +5VSB USBPW2 ® 12 23 P4V800D-X USB device wake up +5V (Default) +5VSB • The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port; otherwise, the system would not power up. • The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. 3. Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard wake-up feature. Set this jumper to pins 2-3 (+5VSB) if you wish to wake up the computer when you press a key on the keyboard (the default value is [Disabled]). This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS (see section 2.5.5 APM Configuration). P4V800D-X KBPWR 12 23 +5V (Default) +5VSB ® P4V800D-X Keyboard power setting 1-16 Chapter 1: Product Introduction

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1-16
Chapter 1: Product Introduction
2.
USB device wake-up (3-pin USBPW12, USBPW34, USBPW56, USBPW78)
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 and S4 sleep
modes (no power to CPU, DRAM in slow refresh, power supply in reduced
power mode).
The USBPWR12 and USBPWR34 jumpers are for the rear USB ports. The
USBPWR56 and USBPWR78 jumper is for the internal USB connectors that
you can connect to additional USB ports.
•
The USB device wake-up feature requires a power supply that can
provide 500mA on the +5VSB lead for each USB port; otherwise,
the system would not power up.
•
The total current consumed must NOT exceed the power supply
capability (+5VSB) whether under normal condition or in sleep mode.
3.
Keyboard power (3-pin KBPWR)
This jumper allows you to enable or disable the keyboard wake-up feature.
Set this jumper to pins 2-3 (+5VSB) if you wish to wake up the computer when
you press a key on the keyboard (the default value is [Disabled]). This feature
requires an ATX power supply that can supply at least 1A on the +5VSB lead,
and a corresponding setting in the BIOS (see section 2.5.5 APM Configuration).
3
2
2
1
P4V800D-X
P4V800D-X USB device wake up
+5V
(Default)
+5VSB
USBPW1
+5V
(Default)
+5VSB
USBPW2
3
2
2
1
P4V800D-X
P4V800D-X Keyboard power setting
(Default)
+5V
+5VSB
KBPWR
2
3
1
2