K8NGM2-FID and USB ports when off state

I have a light "problem" which seems to come from the mobo.
I'm using an iMon Knob remote controller (http://www.soundgraph.com/pr/e_pr_3.asp?m1d=1&m2d=3).
The receiver is connected in USB to the mobo.
Under operation, it emits a blue light permanently and flickers for each key hit.
The problem is that, when I shutdown my HTPC completely, the blue light remains lit.
The manufacturer sent me this explanation:
Quote
KNOB led lights on when USB 5V is active. When system is off state, generally in most of M/B USB 5V is inactive , but in your system USB 5V is active.
Please update your M/B BIOS to the latest version.
Is it relative to a BIOS parameter (3.20) ?
It does not occur on my other PC.
Thank you.

Deckard,
It sounds like you have a BIOS Parameter set which keeps some juice in the USB Bus while your system is powered down. (Remember ATX Spec does not turn fully off like the old bATX used to.) It could be that you have Wake up on LAN, USB Keyboard settings with a Wake Setting, there are several options in the BIOS that can do this.
I would start with the manual and go though the BIOS Settings.
Take Care,
Richard

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