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Re: sparc help
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: sparc help
- From: Bryan Irvine <bryan_(_dot_)_irvine_(_at_)_kingcountyjournal_(_dot_)_com>
- Date: 10 Jul 2003 12:16:38 -0700
Yuck sure glad I didn't ahve to go through all that.
The stop-a worked. I was trying things like ctrl-stop, ctrl-break,
Thanks for all the responses!!
On Thu, 2003-07-10 at 11:52, Marcus Watts wrote:
> > Subject: sparc help
> > From: Bryan Irvine <bryan_(_dot_)_irvine_(_at_)_kingcountyjournal_(_dot_)_com>
> > To: misc_(_at_)_openbsd_(_dot_)_org
> > Content-Type: text/plain
> > Message-Id: <1057855140_(_dot_)_8137_(_dot_)_9_(_dot_)_camel_(_at_)_elvis>
> > I'm trying to install on an old sparc I dug out, but it keeps
> > autobooting, I've googled a bit and found the command to disable
> > autoboot, but none of the sites I've found say how to get to the "ok"
> > prompt. They all say "from the ok prompt type such and such to
> > disable...". I'm sure there's a simple command-break style key
> > sequence, at least I'm hoping because the root pass has long since been
> > lost.
> > On an unrelated note, is anyone else getting tons of messages to @misc
> > from late may?
> > --Bryan
> The reason they don't say what is that this is "well-known";
> on a serial terminal:
> on an old sun keyboard
> on newer keyboards
> There's other stuff you should know; there's a diag switch on some sun
> hardware -- flip the switch and it tests more hardware, and may boot
> something different or not boot at all.
> If you got an unknown machine, it may have a prom password. This is
> designed for lab environments to stop people from breaking the machines
> without resorting to screw drivers. It does nothing for machine rooms
> or unattended operation, but some people do it anyways. If you have
> the prom password, then you have to give it the prom password before
> you can get to the prom prompt (and do destructive things, like install
> a new OS). The easiest way I know around this is to find another hard
> disk and sun, install a known OS with known root pw on the drive,
> install the drive in the original machine, boot, login as root, & fix
> the nvram. There are plenty of other solutions, with varying risks.
> At one point, there was a sun hardware faq, but last I saw this was not
> being kept up to date. Sun has fairly decent documentation on a lot of
> their newer hardware right on their site. You should probably find
> these things and look for your machine. There will very likely be very
> detailed information in at least one of these places, containing
> information like dip switch settings, memory chip layout, and more,
> that you would find useful. If you find it on the web, you should
> probably save it locally - there is always the chance sun could decide
> to purge all that useless information on hardware they no longer sell
> or support.