# HDMI Expansion Card mod to save power **URL:** \ **Category:** Expansion Card\ **Created:** [March 28, 2023, 7:24pm UTC](https://community.frame.work/t/hdmi-expansion-card-mod-to-save-power/28738 "2023-03-28T19:24:29Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![kjhoerr](https://avatars.discourse-cdn.com/v4/letter/k/8797f3/32.png) [@kjhoerr](https://community.frame.work/u/kjhoerr)\ **Post date:** [March 28, 2023, 8:07pm UTC](https://community.frame.work/t/hdmi-expansion-card-mod-to-save-power/28738/2 "2023-03-28T20:07:01Z")
There are screws on the expansion card, so it’s possible to disassemble + reassemble. Someone did something similar for the USB-A expansion card: > [@Passifying the USB-A Card](http://community.frame.work/t/passifying-the-usb-a-card/27635): > > 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. 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. The next step is to re… --- _[View the full topic](https://community.frame.work/t/hdmi-expansion-card-mod-to-save-power/28738)._