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Chapter 1: Product introduction
2. USB device wake-up (3-pin USBPW12, USBPW34,
USBPW56)
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).
M2S-X
R
M2S-X USB Device Wake Up
3
2
2
1
USBPW56
+5V
(Default)
+5VSB
3
2
2
1
USBPW12
+5V
(Default)
+5VSB
3
2
2
1
USBPW34
+5V
(Default)
+5VSB
• 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.