Serial interface

From dreamcast.wiki
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

The Dreamcast has a serial interface on the back of the console used for several peripherals and for console debugging. The serial interface is used by the Coder's_cable.

PCB Serial Port with Labeled Pins
Serial connector pinout
Pin Description
1 +5V
2 SCK
3 Ground
4 RX2
5 TX2
6 RTS
7 CTS
8 Ground
9 Reset
10 +3.3V
Serial Connection Pinout for Test Points on Bottom of Board


A SCIF loopback connection can be created to allow a Dreamcast to conduct and pass the SCIF test on the official Sega DC Checker diagnostics software by connecting pin 4 (RX2) to pin 5 (TXD) and connecting pin 6 (RTS) to pin 7 (CTS).


This page is a stub page. It needs to be expanded with more detail. If you know more information about this topic, please sign up and contribute to dreamcast.wiki!