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Keyboard & Usb Device Wake-Up (3-Pin Kb_Usbpwb) - Asus H81M-A User Manual

H81m-a user's manual
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2.
Keyboard & USB device wake-up (3-pin KB_USBPWB)
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).
H81M-A Keyboard and USB device wake up
3.
USB device wake-up (3-pin USBPWF)
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).
H81M-A USB Device Wake Up
1-12
KB_USBPWB
H81M-A
+5V
USBPWF
H81M-A
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

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