Asus B75M-A B75M-A User's Manual - Page 34

USB device wake-up USBPW12, USBPW5-8

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3. USB device wake-up (USBPW12, USBPW5-8) 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). USBPW12 12 23 +5V +5VSB (Default) B75M-A USBPW5-8 12 23 +5V +5VSB (Default) B75M-A 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 condition or in sleep mode. 1-22 Chapter 1: Product introduction

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1-22
Chapter 1: Product introduction
3.
USB device wake-up (USBPW12, USBPW5-8)
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).
B75M-A
B75M-A USB device wake up
2
1
2
3
+5V
(Default)
+5VSB
USBPW5-8
2
1
2
3
+5V
(Default)
+5VSB
USBPW12
•
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.