Greetings,
Gaming 6 - Per the manual, only rev 1.0 has the rear panel LED. Rev 1.1 doesn't have this feature.
Rev 1.0 - Page 33
Audio LED
Enables or disables the onboard audio LED function.
Off Disables this function.
Still Mode The LEDs stay constantly on. (Default)
Beat Mode The brightness of the LED changes according to the music rhythm.
Pulse Mode The brightness of the LED changes slowly and smoothly like breath.
Rear Panel LED
Enables or disables the audio LED on the rear panel I/O shield.
On The LED will light and follow the behavior of the onboard audio LEDs. (Default)
Off Disables this function.Rev 1.1 - Page 33
Audio LED
Enables or disables the onboard audio LED function.
Off Disables this function.
Still Mode The LEDs stay constantly on. (Default)
Beat Mode The brightness of the LED changes according to the music rhythm.
Pulse Mode The brightness of the LED changes slowly and smoothly like breath.
Not here Legacy USB Support
Allows USB keyboard/mouse to be used in MS-DOS. (Default: Enabled)
Board revs are different.