This guide explains how to access the SH-4 SCI port on Sega Dreamcast and NAOMI systems for both UART/SPI communication modes. This is can be used for alternative SD card modding or debugging. In SPI-like mode, SCI can reach transfer speeds of up to 1.5 MB/s, which is x2 faster than mod using the SCIF port for bit-bang SPI.

Sega Dreamcast Motherboard

Solder wires directly to the following points on the Dreamcast motherboard:

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Update 05.02.2012
— Added ask for 60Hz for non US DCs.
— Added dummy files to CDI images
— Updated isoldr to v0.3.1:
— fixed boot homebrew iso
— improve speed of boot.bin start executing.
— added return back to DS if some games make write to memory with the loader.

Redownload DreamShell and enjoy!

То, чего многие уже давно ждут, наконец то свершилось :)
Представляю вашему вниманию DreamShell 4.0.0 RC 1
Да да, это наконец то релиз кандидат и она реально заслуживает такого статуса.
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