Nobody should be using that... search for EOS 1.2.1, update atmosphere to 1.7.0, use it's toolkit to configure settings from within the switch it self without needing the configurator...
Mariko can go so much crazy higher than that plugged, also you can push some good handheld values if you properly undervolt CPU and GPU I think the recommended is to stay below 8W of power in battery mode, you can use like Status monitor to check battery power...
If you need help achieving the best ask for help here: https://discord.gg/VndKxFg7EE
Go to overclocking section and people will likely help you.
Mariko can go so much crazy higher than that plugged, also you can push some good handheld values if you properly undervolt CPU and GPU I think the recommended is to stay below 8W of power in battery mode, you can use like Status monitor to check battery power...
If you need help achieving the best ask for help here: https://discord.gg/VndKxFg7EE
Go to overclocking section and people will likely help you.