DFI EL331-RM - Manual (Page 27)

27
2
Hardware Installation
Parallel
These jumpers are used to select the power of the USB ports. Selecting 5V_
standby will allow you to use a USB device to wake up the system.
BIOS Setting
“USB Device WakeUp From S3/S4” in the Advanced menu (“ACPI Configuration”
-> “Chipset ACPI Configuration” submenu) of the BIOS must be set to Enabled.
Refer to chapter 3 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 support
≥1.5A. For 3 or more USB ports, the 5V_standby power source of your
power supply must support ≥2A.
USB Power Select
USB 0-3
(JP6)
2-3 On:
5V_standby
1-2 On: 5V
(default)
3 1 2 3 1 2
2-3 On:
5V_standby
1-2 On: 5V
(default)
USB 4-7
(JP7)
1
3
2
1
3
2