On 1 Dec 2009 at 19:40, Alexandre Souza - Listas wrote:
Too little current avaiable, better put a P4 jack
on the 5V line
of your computer.
About an amp at +5. Easily obtainable through the standard DIN
keyboard connector of a "vintage" system (like the 386 that mine's
been attached to since about 1996). And that amp is when it's
actually in use, which almost never.
If you get nervous, add a fuse in the supply line.
--Chuck