Re: trying to find information on mvme5100 battery

[Maren Purves via Tech-talk <tech-talk@aps.anl.gov>]

Thank you very much for all of that!

Maren

On 2/10/19 23:53, Dirk Zimoch via Tech-talk wrote:
> Ehm... I screwed up the file names. The chip Name is like "M48T37" and 
> the file and function names should have matched. Sorry. Here are the 
> fixed files.
>
> Dirk
>
> On 11.02.19 10:43, Dirk Zimoch via Tech-talk wrote:
> > Hi Maren,
> >
> > Attached find my driver for the M48T37 Timekeeper battery status. It 
> > works with any EPICS version on MVME51xx as well as on MVME23xx, maybe 
> > on more boards using this chip.
> >
> > I have some more code to read and set the RTC and use the alarm 
> > function of the M48T37 in case you need it.
> >
> > The code is vxWorks only.
> >
> > Be aware that the M48T37 reads the battery status only once at 
> > power-on. So there is no point in processing the record more often 
> > than PINI=YES.
> >
> > Dirk
> >
> >
> > On 09.02.19 02:06, Maren Purves wrote:
> > > Happy to, thanks Dirk!
> > >
> > > On 2/8/19 05:35, Dirk Zimoch via Tech-talk wrote:
> > > > I am just now writing a driver for it. Wait a few days please...
> > > >
> > > > On 08.02.19 03:01, Maren Purves via Tech-talk wrote:
> > > > > Hi all,
> > > > >
> > > > > I'm working on some monitoring stuff for a new receiver
> > > > > and as the new receiver isn't here yet I just got a spare
> > > > > mvme5100 board. Trying to boot it I found that it had
> > > > > 'forgotten' its boot parameters. It is supposed to have
> > > > > a replaceable battery and we found on part that looks like
> > > > > it may be a battery but with no part number or anything on
> > > > > it.
> > > > > None of the manuals I found on-line has a board layout
> > > > > with labels on it that would tell me where the battery
> > > > > is (assuming that the battery is the problem), or had
> > > > > any specifications for it.
> > > > > Pulling out another spare board, it behaved the same way.
> > > > > If we have to put any of these spare boards into use that
> > > > > would mean that they would have to have their boot parameters
> > > > > reinstalled each time we have a power glitch. That's OK
> > > > > for us here in the office/lab but not OK for people
> > > > > operating telescopes at night.
> > > > >
> > > > > Does anybody know and can either point me somewhere where
> > > > > to find this information - or have the information and
> > > > > pass it on?
> > > > >
> > > > > Thanks in advance,
> > > > > Maren Purves
> > > > > East Asian Observatory