Delete comment from: Ken Shirriff's blog
> Devices 30, 4a, and 4b are a mystery to me so leave a comment if you know what they are.
0x30 appears to be a paging register to allow access to more than 256 bytes of DDC data.
https://en.wikipedia.org/wiki/Display_Data_Channel#E-DDC
Mar 26, 2018, 7:20:10 PM
Posted to Reading a VGA monitor's configuration data with I2C and a PocketBeagle