Asus B85M-K PLUS User Guide - Page 20

B85M-K PLUS USB device wake-up

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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. PS2_USBPW1-4 12 23 B85M-K PLUS +5V +5VSB (Default) 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 USBP5-10 12 23 +5V +5VSB (Default) B85M-K PLUS USB device wake-up • 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. 1-12 E10185_B85M-K_PLUS_Guide.indb 12 Chapter 1: Product introduction 2015/2/13 14:25:13

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1-12
Chapter 1: Product introduction
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).
•
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.
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
1
2
2
3
+5V
+5VSB
(Default)
B85M-K PLUS
Keyboard and USB device wake-up
PS2_USBPW1-4
B85M-K PLUS
2
1
2
3
+5V
(Default)
+5VSB
USBP5-10
B85M-K PLUS USB device wake-up
E10185_B85M-K_PLUS_Guide.indb
12
2015/2/13
14:25:13