Usb Device Wake-Up - Asus B85M-K PLUS User Manual

2. Keyboard and USB device wake-up (3-pin PS2_KBPW1~4)
This jumper allows you to enable or disable the keyboard and USB device wake-up
feature. When you set this jumper to pins 2-3 (+5VSB), you can wake up the computer
by pressing a key on the keyboard or using the connected USB devices. This feature
requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a
corresponding setting in the BIOS.
B85M-K PLUS Keyboard and USB device wake-up
3. USB device wake-up (3-pin USBPW5~10)
Set this jumper 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).
B85M-K PLUS USB device wake-up
•
•
1-12
E10185_B85M-K_PLUS_Guide.indb 12
PS2_USBPW1-4
B85M-K PLUS
+5V
USBP5-10
B85M-K PLUS
1 2
+5V
(Default)
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 conditions or in sleep mode.
+5VSB
(Default)
2 3
+5VSB
Chapter 1: Product introduction
2015/2/13 14:25:13