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2-20 Chapter 2: Hardware information
2. USB device wake-up (3-pin USBPW1234, USBPW5678, USBPW910)
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 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 condition or in sleep mode.
R
M2N/M2N DH
USB Device Wake Up
3
2
2
1
USBPW1234
+5V
(Default)
+5VSB
3
2
2
1
USBPW910
+5V
(Default)
+5VSB
3
2
2
1
USBPW5678
(Default)
+5V
+5VSB
M2N USB port default
status USBPW1234 USBPW5678 USBPW910
+5VSB - - -
+5V Default Default Default
M2N DH USB port default
status USBPW1234 USBPW5678
+5VSB Default -
+5V - Default