Re: Reviving Spock

[Roger Johnstone <news2006@roger.geek.nz>]

In <20060418151747294+1200@News.Individual.NET> Roger Johnstone  wrote:
> In <UeWdnVneJIWh29zZnZ2dnUVZ_s-dnZ2d@comcast.com> Michael J. Mahon 
> wrote:
>> 
>> If a supply is missing the -5v line, it is easy to add one by using a
>> linear regulator (7905) to regulate the -12v down.  The actual 
>> current drain on the -5v supply is almost negligible, so this is an 
>> easy mod.
> 
> This is what the Apple IIc does. The internal switching converter 
> produces +5V, +12V and -12V and a 7809 regulator on the IIc 
> motherboard  is used to generate the -5V supply.

Arggh! I mean a 7905 regulator of course.

-- 
Roger Johnstone, Invercargill, New Zealand
http://roger.geek.nz/
________________________________________________________________________
  No Silicon Heaven? Preposterous! Where would all the calculators go?

              Kryten, from the Red Dwarf episode "The Last Day"