A Quadra can be used under Mac OS for that purpose, as a router and
firewall. However, considering that there is a cost for buying the software
(like IPNetRouter) and the energy cost of keeping the Quadra turned on for
this purpose, and considering that a dedicated router/firewall device from
Link
(this is going to both 1st-PowerMacs and Quadlist since it applies to both)
I picked up a still shrink-wrapped "2124NB II" Nubus Graphics Card (made by
the now-defunct Micro Conversions) on eBay for a reasonable price. It has
some interesting features such as Zoom (zooms in/out on a portion of th
A Google search on "small adb keyboard" revealed this link -
http://www.fentek-ind.com/minikb.htm
with a product called "Happy Hacking Multi Platform/Lite" (great name)
* Multi Platform - PC(PS/2), Sun/SPARC, MAC(ADB)
* Very Small Footprint - 11.6 inches X 4.3 inches
* UNIX/LINUX Friendly La