Writing
Notes from the bench: firmware, bootloaders, buses, and the bugs that only show up on real hardware.
- Soldered RAM
The spec sheet of my 2019 laptop says 12GB of RAM is the maximum. A forum thread said otherwise, so I opened it up.
- What 8N1 looks like on the wire
One UART byte, bit by bit: idle, start, eight data bits LSB first, stop.