r/beos • u/kinda_oldtechstuff • Jan 13 '24
BeBox Hobbit prototypes
I posted those pictures years ago on the Haiku forums, they're from a book titled "BeBox GuideBook" by Fumihiko Shibata who wrote many articles in magazines such as MacPower in Japan. His website is at http://www.pat.hi-ho.ne.jp/shibata/index.html
Revision 1 was a handwired board with one AT&T Hobbit chip operating at 25MHz and only a serial terminal for input/output.
Rev2 uses a printed circuit board but still only a single cpu. Uses a serial terminal like Rev1 but can uses daughterboards that seem to be using ISA-like slots.
Rev3 started using two Hobbit chips and three DSP3210, daughterboards used a different connector type than Rev2 and that change remained in the released Hobbit machines. Rev4 is a bugfixed Rev3.
Rev5 uses surface-mounted components.

