[rescue] NVRAM for Blade 100/150
jjacocks at gmail.com
Fri Feb 5 11:47:44 CST 2021
I'd be interested in a board. How much to ship to the USA, zip code 20876?
Are you planning to open source these? Or are you planning to continue to
sell them? I'd like them to continue to be available.
On Thu, Feb 4, 2021 at 1:33 PM Peter Stokes <peter at ashlyn.co.uk> wrote:
> Hi Al
> I just placed an order with a UK supplier for 16 of these PCB boards. Not
> cheap as going via China, but they are on hols at present and wanted to
> get on
> with it. If anyone is interested in the bare board or with the
> connectors/headers let me know. The bare board is working out at B#6.50
> each +
> postage, the headers and sockets are easily available via Ebay and are
> These will also work in any of the systems which used the old M48T59
> NVRAMs as
> well as the Blades etc.
> All the best
> Hi All
> I have a solution for the 100/150 (may need these for the V100/120 as
> well, I
> forget what works with them). I tried a few models of NVRAM without
> but I noticed that Maxim/Dallas produce a larger memory version of the
> called a DS1554. The downside is that it is 32 pins, similar pin out and
> same functionality. I tied the extra address pins high and made up a hack
> prove it works.
> I have a few orders for them, so am going to use a prototype through plated
> board, 32 pin socket and 28 header pins to satisfy them. I am however
> ultimately aiming to have some adapter PCBs made which appear to be pretty
> cheap if ordered online, so if anyone is interested in any let me know.
> o;?Hi All
> Anyone have a suggestion for which NVRAM, that is actually available to
> works in the Blade 100?
> The original M48T59 has been NLA for a long time now and the DS1553 I have
> been using is also now NLA. For the OBP3.X systems you can use an
> M48T part, but I have not found one to use in the OBP 4.X systems such as
> Blade 100.
> As anyone who has played with these parts, using the wrong NVRAM gives an
> error on boot of
> "(Can't load tod module) Program terminated"
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