http://en.linux.wikia.com/wiki/SimpleSlax

SimpleSlax is a variant SLAX LiveCD designed to be small at 114 MB and lightweight for use with older hardware. Derived from Popcorn Edition 5.1.8, it features clean and efficient default settings along with USBview, Dillo web browser, Iceweasel 1.5.0.7 with Flash 9.0.28 support, Mousepad text editor, and modified scripts to load quickly (autologin) and run smoothly on machines functioning at or below a 300 MHz processor and 128 MB RAM.