[rescue] Replacement NVRAM/clock for Ultra 1E, success

Peter Stokes peter at ashlyn.co.uk
Sat Oct 3 15:24:49 CDT 2015


I too have bought from China with poor results, but then found these were
available from UK stockists. I normally buy from Quarndon Electronics, but
also available from Farnell etc.


On 3 Oct 2015, at 19:31, Meelis Roos <mroos at linux.ee> wrote:

>> Why not just buy the MT48T59Y chips which are easily available?
> I bought a bunch from a Chinese supplier in EBay. These were a lot
> cheaper than Mouser has. It also became clear why - their batteries were
> already empty. Probably have stood a long time on the shelf, or are some
> replicas with weaker battery.
>>> If anyone is looking for a replacement NVRAM for a sun4u (in my case, a
>>> Ulra 1 200E Creator), I can confirm a working replacement is the
>>> M48T58Y-70PC1 that I recently bought from mouser (sorry, french site):
>>> <www.mouser.fr/Search/ProductDetail.aspx?R=M48T58Y-70PC1>
> --
> Meelis Roos (mroos at linux.ee)
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

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