Re: Disc Error ???

Organization	Usenet.Farm
Newsgroups	comp.sys.acorn.hardware
Message-Id	<5b5af5da3ba.m.conroy@owlart.co.uk>
From	Andrew Conroy <a.m.conroy@owlart.co.uk>
Date	2024-05-02 23:30 +0000
Subject	Re: Disc Error ???
References	<5b59662272mec@npost.uk> <5b5a6ebda7a.m.conroy@owlart.co.uk> <5b5aada81cmec@npost.uk>

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In article <5b5aada81cmec@npost.uk>,
   Chris Newman <mec@npost.uk> wrote:
> In article <5b5a6ebda7a.m.conroy@owlart.co.uk>, Andrew Conroy
> <a.m.conroy@owlart.co.uk> wrote:
> > In article <5b59662272mec@npost.uk>, Chris Newman <mec@npost.uk> wrote:
> > > Hi, 

> > > Every now and again I fire up the Risc PC to use the old scanner or
> > > to run Sibelius.

> > > On Saturday it didn't start up properly.

> > > After an aeon it eventually got the the green screen with the boot
> > > choices and an error box.

> > > Disc error 21 at :4/00 000 000 000 000 6

> > > The m/c has a Simtec unipod. It should boot from h-4 (Spinning
> > > rust). h-6 is an ssd for backup.

> > Disc error 21 is usually when the disc can't be found. The error is
> > from drive 4. Did the error come from ADFS or IDEFS? If you don't have
> > an ADFS drive fitted, maybe it's become configured to be there, so not
> > being found?

> Yes. M/c is looking for ADFS instead of IDEFS. How could that have
> changed?

Aha. Type
*Configure IDEDiscs 0

to return the ADFS discs to zero.

> CMOS problem?

Possibly.

> Interruption to power supply resulting in improper shutdown?

Unlikely. CMOS settings are not saved to the chip at shutdown, but as
soon as you make a change to them, so not shutting down won't affect CMOS
entries.

If it happens again, or other CMOS settings change without you changing
them, it's something to look in to, if it doesn't happen again, put it
down to "one of those things".

Andrew

-- 
+----------------------------------------+---------------------------------+
| Andrew Conroy, Owl-Art Un-Ltd.         | email: a.m.conroy@argonet.co.uk |
| Coming to you on an Acorn RiscPC SA110 |                                 |
+----------------------------------------+---------------------------------+
      The impossible I can do at once, miracles take a little longer!!

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Disc Error ??? Chris Newman <mec@npost.uk> - 2024-04-29 23:34 +0100
  Re: Disc Error ??? Stuart <Spambin@argonet.co.uk> - 2024-04-30 08:08 +0000
  Re: Disc Error ??? Andrew Conroy <a.m.conroy@owlart.co.uk> - 2024-05-01 23:00 +0000
    Re: Disc Error ??? Chris Newman <mec@npost.uk> - 2024-05-02 11:12 +0100
      Re: Disc Error ??? Andrew Conroy <a.m.conroy@owlart.co.uk> - 2024-05-02 23:30 +0000
      Re: Disc Error ??? Chris Newman <mec@npost.uk> - 2024-05-04 22:24 +0100
        Re: Disc Error ??? Andrew Conroy <a.m.conroy@owlart.co.uk> - 2024-05-06 21:08 +0000
  Re: Disc Error ??? Chris Newman <mec@npost.uk> - 2024-05-16 22:42 +0100
    Re: Disc Error ??? Harriet Bazley <harriet@bazleyfamily.co.uk> - 2024-05-18 20:35 +0100

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