12th Gen Intel Core BIOS 3.06 Beta

[blkhawk]

I am tempted to install it and see how my passified USB-A plugs will react. plugging stuff in would be equivalent to removing the whole card.

Thread here:

Passifying the USB-A Card

I read a lot about how the USB-A cards cause additional power-draw even when no device is plugged in so I modified a card so it only uses power when a device is plugged into its USB-A port. The Card signals to the main board that it is plugged in by having a 5.1k resistor pull-down to GND. [top] I started my mod by first isolating the shield of the USB-A socket by de-soldering the 4 tabs. This will isolate it from GND unless a shielded USB plug is inserted. [bottom] The next step is to re…