Re: sparc 20 workstation's clock

From: cljlk (cljlk_at_hotmail.com)
Date: 06/13/04 

Date: Sat, 12 Jun 2004 19:23:30 -0400

Thanks for the input. I will try the Mouser.

 I did miss the hardware post message site.

"Juhan Leemet" <juhan@logicognosis.com> wrote in message
news:pan.2004.06.12.19.33.12.172962@logicognosis.com...
> On Sat, 12 Jun 2004 09:46:16 -0400, cljlk wrote:
> > I have Sparc20 with Solaris 2.5 operating system. This workstation was
in
> > storage for years.
> > The time stay at year 1970. I have try to change the time by using a
command
> > "clock", but failed.
> >
> > Is the time caused by "battery is too old"? If I have to replace a new
> > battery, would
> >
> > You please provide me some tip, such as where and how.
> >
> > Thanks in advance.
>
> There was a recent post in comp.sys.sun.hardware (you seem to have missed
> that?) which pointed to some general information on NVRAM/clock chips:
>
> "Dave Mitton" <dmitton@comcast.net> wrote:
> >"Mike" <mvore@ix.netcom.com> wrote:
> >>My Ultra-5 just died from a dead Clock Battery...
> >
> >Info at: http://www.squirrel.com/squirrel/sun-nvram-hostid.faq.html
> >
> >Using the info there, I was able to buy one at Mouser for about $20 a few
> >years ago.
> >
> >Also, I found if you leave the system powered on, after a day or so, the
> >battery may acquire enough charge to boot.
>
> BTW, that was not my experience, that the battery "recovered". I don't
> think there is any charging circuitry in there. They are just "embedded"
> batteries (like on PC mobos, or digital watches?) that are built into the
> NVRAM/clock chip. Someone/somewhere even explained how to do surgery?
>
> I did once have a Sparc1 that seemed to work with a semi-bad battery: it
> would reboot with 00:00:...:00 and ff:ff:...:ff field values and time at
> the beginning of the epoch (year 1970). I was able to set the (software)
> time and the system would run. Jumpstart probably wouldn't work, though.
>
> I bought my replacement NVRAM/clock chip (and other parts) from MemoryX
> (www.memoryx.net), but many people have reported buying them from Mouser.
>
> --
> Juhan Leemet
> Logicognosis, Inc.
>
>

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