It’s no surprise that NVIDIA is gradually dropping support for older videocards, with the Pascal (GTX 10xx) GPUs most recently getting axed. What’s more surprising is the terrible way t…
The default standard power limit is still the same as it ever was on each USB version
Nah, the default power limit started with 100 mA or 500 mA for “high power devices”. There are very few devices out there today that limit the current to that amount.
It all begun with non-spec host ports which just pushed however much current the circuitry could muster, rather than just the required 500 mA. Some had a proprietary way to signal just how much they’re willing to push (this is why iPhones used to be very fussy about the charger you plug them in to), but most cheapy ones didn’t. Then all the device manufacturers started pulling as much current as the host would provide, rather than limiting to 500 mA. USB-BC was mostly an attempt to standardize some of the existing usage, and USB-PD came much later.
Nah, the default power limit started with 100 mA or 500 mA for “high power devices”. There are very few devices out there today that limit the current to that amount.
It all begun with non-spec host ports which just pushed however much current the circuitry could muster, rather than just the required 500 mA. Some had a proprietary way to signal just how much they’re willing to push (this is why iPhones used to be very fussy about the charger you plug them in to), but most cheapy ones didn’t. Then all the device manufacturers started pulling as much current as the host would provide, rather than limiting to 500 mA. USB-BC was mostly an attempt to standardize some of the existing usage, and USB-PD came much later.