Build 1.0.628 became obsolete instantly. Furthermore, because Chrome OS updates were automatic, any OEM that actually used this beta on a test device would have auto-updated past it within a month. The only surviving copies are:
Google saw an opening: an OS that was nothing but a browser. Version 1.0.628 was specifically optimized for the and the GMA 950 graphics . It assumed a screen resolution of 1024x600. Any newer processor (like 64-bit Core 2 Duos) was overkill; any older (Pentium I or II without PAE) would fail to boot. Google Chrome OS Linux i686 1.0.628 OEM Beta x86
Simplistic today, but in late 2009, this was heresy. Announced in July 2009, the thesis was radical: the browser is the operating system. No local apps, no Windows cruft. Build 1
The existence of a "Linux i686 1.0.628 OEM Beta" implies that Google was actively engaging with hardware manufacturers to port the OS onto existing 32-bit netbook chassis. This build was likely never intended for public consumption but served as a validation tool for potential Chromebook prototypes or reference hardware. Version 1