Re: My Apple2 ATX supply

["Michael J. Mahon" <mjmahon@aol.com>]

Tristan Mumford wrote:
> Michael J. Mahon wrote:
>
>
> > Tristan Mumford wrote:
> >
> >
> > > Secondly the -5v regulator is now mounted via electrical insulation to a
> > > heatsink.
> >
> > While I can certainly appreciate your thoroughness, the total current
> > drawn from the -5v line is just a few milliamps, so the regulator won't
> > actually need heat sinking.
>
>
> That is indeed true. However I was extremely bothered by the regulator being
> ziptied to a wire to prevent it from either shorting out or hitting the
> fan.

I understand your concern.

I always worry about components secured only by "longish" leads,
since my industry experience taught me that these are the first
to break off in vibration testing.

> Flipping that tiny switch to see the computer leap to life is also strangely
> rewarding.

Yes--I remember my first similar "rush" in the 1960s, when pressing a
small pushbutton caused a room-sized computer to "whoosh" to life.  ;-)
Not many got to have that experience since the computers were generally
left on, and the power panel was not readily accessible.

-michael

NadaNet networking for Apple II computers!
Home page:  http://members.aol.com/MJMahon/

"The wastebasket is our most important design
tool--and it's seriously underused."