Back in the days of the 980s when the PDH card was on the fritz (technical term) the machines would erratically overtemp. Jeff Mikolai Creative Computers, Inc. > -----Original Message----- > From: Alan Yeo [SMTP:[log in to unmask]] > Sent: Wednesday, December 10, 1997 8:09 AM > To: [log in to unmask] > Subject: Re: HIGH OVERTEMP WARNINGS > > In article <[log in to unmask]>, Jim Norbut > <[log in to unmask]> writes > >Hello, > > > >Our system 927LX Series 950 MPE 3.0 (Yeah...so were a little behind > the times) > >crashed > >with multiple HIGH OVERTEMP WARNING messages last friday night at > 7:00 p.m. > > > >Someone had been monkeying around with the air-conditioning vents in > our > >computer room. > >I had to wait 2 1/2 hrs before I could sucessfully reboot the system > where it > >could stay > >on without going down again because of the heat. > > > >Has this happened to anyone else recently.......is there a certain > temp. that > it > >has to be > >below in the computer room. > > > >We have a HP-UX machine in the same room and it had no problems.... > > > >Thanks > > Hello > > I was slightly bemused by the description of your system, is it a > 927LX > or is it a 950, or have I misunderstood and you have two HP3000's and > they both went overtempature. > > Your reference to MPE 3.0 makes me think you have one of the original > PA > M/C's which were real gas guzzlers (read heat generators) as were the > disc drives for it. > > Assuming that it is an old 950 and the HP-UX m/c may be of a newer > generation I think it quite likely that the 3000 went down sooner and > stayed down longer. > > I don't know what the published temperature range was for the 950, but > for a 928LX the operating temperature range is +5C (41F) to +40C > (104F), > whilst it's non operating temperature (ie safe to store but not to > operate goes up to 65C (i.e. To Hot To Handle). By the way the advised > temperature rande for tape media is only up to 45C above which it is > likely to degrade. So if your computer room got any hotter than this > and > you keep any tapes in it, don't rely on them anymore. > > Personally if you have an old 950 and discs, I'm sure someone can do > you > a cost analysis that would prove that swopping it for a 928 would have > a > very early payback, in saved electricity costs, maintenance costs, as > well as being an awfull lot faster. > > Anyway to sum up, I think somewhere under 40C (104f) is the > temperature > that your 950 will go belly up. > > > -- > Alan Yeo > [log in to unmask] Just because you're paranoid > it doesn't mean someone isn't reading your > mail.