Re: Super Serial trouble.

[russotto@wanda.pond.com (Matthew Russotto)]

In article <3B389AE6.35BC41D3@coli.uni-sb.de>,
Linards Ticmanis  <ticmanis@coli.uni-sb.de> wrote:
>Hi, never mind this any more, the problem seems to have been in the
>motherboard. I swapped it out with another from an otherwise defective
>clone. Now things work quite nicely, except the 80-chars card didn't
>like the new board, but oh well I don't really need it anyway.
>
>Another thing, this board was terribly dirty so I cleaned it with
>denatured alcohol (or is "white spirits" the correct English term? You
>know the stuff you aren't supposed to use for lighting charcoal for
>your barbecue, but most people do it anyway.)

White spirit is basically deodorized kerosene.  You don't want that
anywhere near your boards.  Denatured alcohol is the right stuff.

>After the cleaning, the cursor blinker 555 acted up (the cursor
>blinked about five times faster) so I had to replace it. From this I
>gather that this alcohol (which conains 6% of water) isn't the right
>stuff for cleaning boards.... what would you use?

That should work.  I'm guessing the 555 problem wasn't caused by the
alcohol; maybe the physical jostling during cleaning?

-- 
Matthew T. Russotto                                russotto@pond.com
"Extremism in defense of liberty is no vice, and moderation in pursuit
of justice is no virtue."