Asus K8V-MX K8V-MX User's Manual for English Edition - Page 28

Product Introduction, device wake-up 3-pin USBPWR12, USBPWR34, USBPWR56, USBPWR78,

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2. 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). R K8V-MX KBPWR 2 1 +5V (Default) 3 2 +5VSB K8V-MX Keyboard power setting 3. USB device wake-up (3-pin USBPWR12, USBPWR34, USBPWR56, USBPWR78) 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). The USBPWR12 and USBPWR34 jumpers are for the rear USB ports. The USBPWR56 and USBPWR78 jumpers are for the internal USB connectors that you can connect to additional USB ports. USBPW12 USBPW34 12 23 R K8V-MX +5V (Default) +5VSB USBPW78 USBPW56 12 23 K8V-MX 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. 1-18 Chapter 1: Product Introduction

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1-18
Chapter 1: Product Introduction
3
2
2
1
K8V-MX
K8V-MX USB device wake-up
+5V
(Default)
+5VSB
USBPW12
USBPW34
3
2
2
1
+5V
(Default)
+5VSB
USBPW78
USBPW56
3.
USB
device wake-up (3-pin USBPWR12, USBPWR34, USBPWR56, USBPWR78)
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).
The USBPWR12 and USBPWR34 jumpers are for the rear USB ports. The
USBPWR56 and USBPWR78 jumpers are 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.
2.
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).
K8V-MX
K8V-MX Keyboard power setting
(Default)
+5V
+5VSB
KBPWR
1
2
3
2