DFI EC300 Series, User Manual

Page: 78 / 208

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5
Ports and Connectors
Wake-On-USB Keyboard/Mouse
The Wake-On-USB Keyboard/Mouse function allows you to use a USB keyboard or
USB mouse to wake up a system from the S3/S4 (STR - Suspend To RAM) state.
To use this function:
• Jumper Setting
It must be set to “2-3 On: +5V_standby”. Refer to “USB Power Select” in
chapter 4 for more information.
• BIOS Setting
“USB Device Wakeup From S3/S4” in the Advanced menu (“ACPI Con fi gura-
tion” submenu) of the BIOS must be set to Enabled. Refer to chapter 7 for
more information.
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB
ports, the +5V_standby power source of your power supply must sup-
port
≥ 1.5A. For 3 or more USB ports, the +5V_standby power source of
your power supply must support ≥ 2A.