Abit IL-90MV - Manual (Page 13)

Hardware Setup
iL-90MV 2-5
2.3.2 Wake-up Headers
These headers use a jumper cap to enable/disable the wake-up function.
• USB-PWR1:
Pin 1-2 shorted (default): Disable wake-up function support at USB1 port.
Pin 2-3 shorted: Enable wake-up function support at USB1 port.
• USB-PWR2:
Pin 1-2 shorted (default): Disable wake-up function support at USB2 port.
Pin 2-3 shorted: Enable wake-up function support at USB2 port