xbased v1.0.26 is released. A free and open-source Xbox emulator for Windows and Linux, with a console-style dashboard.

xbased Changelog:
New
Console memory, 64 MB (retail) or 128 MB (debug kit), for all games or
one (Settings › System, or a game's settings): betas, demos and debug
builds made for a debug kit's 128 MB (StarCraft: Ghost's beta, Halo 2's
E3 2003 demo and others) get it. A game marked for 64 MB keeps 64, as a
debug kit runs it (given 128, a retail Halo drew nothing). The GPU
reports the memory as well. On the command line: ram=128.
Play a game file without adding it to the library: Settings › Interface
› Play a game file, or drop the disc image on xbased's window.

Download: xbased v1.0.26
Source: Here