[rescue] NVRAM for Blade 100/150

Peter Stokes peter at ashlyn.co.uk
Sat Feb 6 09:38:10 CST 2021

Hi Chris

Yes, you are correct, SS20 for one, although the NVRAMs are still available
for that system and the earlier ones. I will try it out when I get the final

The reason for doing it is I have commercial customers who want a straight
forward no hack solution using new parts. The add on coin cell has been a
solution for many years now and I see one or two companies offering it for
these NVRAMs as a commercial solution, but at the end of the day you are still
hacking into the original parts and a lot of commercial customers do not want


Sent from my iPad

> On 6 Feb 2021, at 13:39, Chris Quayle <syseng at gfsys.co.uk> wrote:
> o;?On 02/05/21 18:00, rescue-request at sunhelp.org wrote:
>> NVRAM for Blade 100/150
> Peter,
> Just be aware that some of the older S bus machines have
> very limited clearance above the NVRAM, so that solution
> may not provide enough clearance for add on S bus
> interfaces. Great idea otherwise.
> My preferred solution is to epoxy a small battery holder
> onto the end of the existing NVRAM, which also allows
> battery replacement without removing power in many cases.
> It's ow cost, provides a neat job and only takes
> around an hour to install...
> Chris
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