Hi,
"Dmitry Grinberg has successfully booted Ubuntu 9.04 on an 8 bit micro
machine with 6.5 KHz CPU and 16 MB RAM. Grinberg did this experiment on a
ATmega1284p, 8-bit RISC microcontroller clocked at 24MHz and equipped with
16KB of SRAM and 128KB of flash storage."
*
*More info at
http://linux.slashdot.org/story/12/04/02/191203/gnulinux-running-on-an-8-bit-processor
-Krishna
