Osbourne Executive help

From: Gerald D. PIne <gpine_at_gri.org>
Date: Sat May 10 19:57:57 1997

hellige wrote:
>
> On 10-May-97, classiccmp_at_u.washington.edu wrote:
>
> >I had (and still have to some extent) the same problem on my Executive. I
> >managed
> >to mitigate the problem somewhat by replacing the 12 volt muffin fan with a
> >117 volt
> >fan in order to reduce the load on the power supply. The shimmering was
> >reduced, but
> >not eliminated.
>
> Gerald,
>
> Then would you say the power supply is getting weak? It looks like the fan
> in the back is a standard enough part...in fact, there's room there for a
> larger one, as the one installed isn't even as large as the grill opening.
> I'll try that though and see what happens. Thanks for the tip.
>
> Jeff jeffh_at_eleventh.com
>
> --
> ---------------------------------------------------------------------
> Sent from an Amiga 3000..the computer for the creative mind!
> ---------------------------------------------------------------------
> Collector of classic home computers:
>
> Amiga 1000, Atari 800, 800XL, Mega-ST/2 and XE System, Commodore
> C-128D, Plus/4 and VIC-20, IBM 5155, Kaypro 2X, Osbourne Executive
> Radofin Aquarius, Sinclair ZX-81, TI-99/4A, Timex-Sinclair 1000,
> TRS-80 Color Computer-3 and Model 4, plus Atari Superpong and
> 2600VCS game consoles.

Jeff,
I think that the design using a 12V fan was just a bad idea. It put a
load on the power supply that need not be there. I think that the
problem was inherent in the Executive design.
Gerald
Received on Sat May 10 1997 - 19:57:57 BST