DFI ES121-LR User Manual

Page 44

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44

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 (STR - Suspend To RAM) state. To
use this function:

• Jumper Setting

JP3, JP4 and/or JP7 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” in the Advanced menu (“ACPI Configuration”
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.

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