On Tue, Jun 10, 2025, 9:04 AM Jon Elson via cctalk <[email protected]>
wrote:

> On 6/9/25 12:59, Miod Vallat via cctalk wrote:
> >
> > There are no details about the battery in the manual, except that they
> > are made of ``the latest generation of Nickel Cadmium batteries'', where
> > latest means 1992.
>
> Ah HAH!  That confirms my suspicions from the original
> message, that the machine would partially boot once, then
> never again until left unpowered for a few weeks.  I guessed
> that there was a CMOS battery that was rechargeable, and the
> several weeks wait allowed that battery to fully discharge.
> The issue is the partial boot leaves some corrupted data in
> the battery-backed RAM.
>

Isn't there a command in OpenFirmware to reset that? Or to set things like
MAC address that might 'fix' this before the kernel gets a chance to freak
out...

Warner

>

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