Well, I have finally received a reply from Nvidia to the USB Legacy issue.
So in total, it looks like this:
MSI Taiwan” wrote:
Please notice if customer have below problem.
I ever heard a bug if customer didn’t set Keyboard/Mouse USB Legacy
support to enable or disable at same time.
System will need around 5 mins to enter OS.
When you set these two items to enable or disable at same time and it
It is Nvidia chipset limitation.”
In general, this does not sound like a chip problem but System BIOS issue or implementation limitation.
So, it’s funny, the responsible for this is moved between MSI to Nvidia back on forth. I think I will better connect my devices on PS/2, instead!
I just found it funny and so, I thought I would post it here! 🙂