NetBSD 5.1 Dreamcast port

[VasiliyRS]

Via http://mail-index.netbsd.org/port-dream ... 00170.html
and http://www.netbsd.org/ports/dreamcast/
No one posting news ... Less that 2 weeks ago NetBSD 5.1 Dreamcast port was released .
Just take a look :
Supported Peripherals

* Builtin serial port (scif) Probably we should contact the devs regarding SD adapters (cards) support ?!
* SEGA Broadband Adapter (HIT-0400) (rtk)
* SEGA LAN Adapter (HIT-0300) (mbe)
* Maple bus keyboard (mkbd)
* Maple bus mouse (mms)
* Maple bus memory card (mmem)
* Maple bus LCD (mlcd)
* GD-ROM drive (gdrom)
* AICA sound system (aica)

[Bob Dobbs]

Good work, Vasiliy!

I read the readme from Izumi Tsutsui, but I do not exactly know what he is trying to say about the image. Why do I need to run it from an USB drive?