h1. Serial port

There is an in-depth article covering several Samsung devices in the [[SamsungSerial]] page

h2. Settings

|_. Device |_. I/O voltage |_. ID<->GND |_. SOC TX |_. SOC RX |_. switch |_. Comments |
| I9300 | 1.8V (measured between USB GND and USB VCC) | "619kOhms":https://git.replicant.us/replicant/kernel_samsung_smdk4412/tree/drivers/misc/max77693-muic.c#n102 | D- | D+ | | It gives a shell once Replicant has booted |
| [[NexusSI902xSerial|Nexus S]] | | [[NexusSI902xSerial#Hardware-setup|150 kOhm]] | | | FSA9480 | |
| [[GalaxyNexusI9250SerialConsole|Galaxy Nexus]] | | | | | | |
| [[OptimusBlackSerial|Optimus Black]] | | | | | | |