Re: Named PTF's - was CPF324A

["Steve Landess" <steve_landess@xxxxxxxxxxx>]

I know I didn't dream this up....Not being a rocket scientist, I made an
honest mistake (no offense intended, Joe!)...

It has been a cosmic day!

<grin>

Steve


----- Original Message -----
From: "MCPARTLAND, Stan" <stanley.mcpartland@bently.com>
To: <midrange-l@midrange.com>
Sent: Monday, December 09, 2002 5:11 PM
Subject: RE: Named PTF's - was CPF324A


> > From: Steve Landess
> >
> > This may be stuff of urban legend, but I heard about it in the mid-90's,
I
> > believe...
> >
> > Apparently some AS/400 customers were having intermittent problems with
> > their systems crashing.  After investigation, it was found that if the
> > system was located above a certain elevation, gamma rays would zap
memory
> > bits between refresh cycles, causing the system to go down.
> >
> > The  fix was a PTF that caused memory refresh to occur more frequently
>
> I recall that PTF.  Used to have the cover letter, but lost it over the
> years.  The cover letter listed cosmic rays as the cause of the problem.
It
> was a hyper PTF that was released in 1989 or 1990.
>
> Stan
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