Subject: Re: openfirmware hardware reset ?
To: Michael Lorenz <macallan1888@gmail.com>
From: Bill Stouder-Studenmund <wrstuden@netbsd.org>
List: port-macppc
Date: 05/17/2007 16:06:45
--PEIAKu/WMn1b1Hv9
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, May 17, 2007 at 03:39:57PM -0400, Michael Lorenz wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>=20
> - -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>=20
> Hello,
>=20
> On May 17, 2007, at 15:31, pierre-philipp braun wrote:
>=20
> >I've got several UMAX Apus 2000 (C500) and while playing with=20
> >openfirmware (2.0) on one of them, I did something very wrong,
> >	setenv little-endian? true
> >
> >Now, when powering on the machine, I still got the bell, but,
> >	- nothing appears on screen nor serial console
> >	- cmd-alt-p-r doesn't work
> >	- cmd-alt-n-v doesn't help
> >	- neither does the little reset button on motherbord, which needs to=20
> >be pressed while machine is on and makes it reboot
> >	- neither getting motherboard's battery disconnected 20 minutes
> >
> >Any idea on how to get my openfirmware fixed ?
>=20
> Take the battery out again, pull the power plug, short circuit the=20
> battery socket's contacts to drain any capacitors that may still be=20
> holding some charge, then wait a little longer than 20 minutes. My S900=
=20
> took a couple hours to lose its nvram contents so letting it sit like=20
> that over night should very likely do the trick.

Yeah, my experience from the two times I REALLY REALLY hozed my G3 is that=
=20
it takes over ten minutes to drain everything. So half an hour is good,=20
and a few hours wouldn't hurt.

Take care,

Bill

--PEIAKu/WMn1b1Hv9
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (NetBSD)

iD8DBQFGTOAFWz+3JHUci9cRAg8aAKCQtP5aX1Gtx3MLCwpeFG810iRbygCcCVgW
ChrvJDgSy3H/7mR9Tv/0ZOg=
=BY6h
-----END PGP SIGNATURE-----

--PEIAKu/WMn1b1Hv9--