Invalid keyboard boot function

The computer board supports the keyboard boot function, but after the BIOS setup, the trial is normal, but the next day after the shutdown can not use the hot key to boot.

As long as the computer and power completely disconnected, and then connected to the power, the keyboard boot failure. The keyboard is powered on only if the chassis power supply remains in power.

If you want to use the keyboard boot function, the power supply in the chassis needs to provide a certain power supply for the keyboard to use. In addition, if you turn off the computer in MS-DOS state through the power switch on the host, the keyboard will fail to boot.