Date   : Tue, 10 Mar 2009 09:50:36 -0000
From   : dominic@... (Dominic Beesley)
Subject: Disable tube?

Or a PSU on its way out. I had similar weirdness with a Teletext adaptor on
one machine. Replacing the PSU caps solved the problems...

-----Original Message-----
From: bbc-micro-bounces+dominic=brahms.demon.co.uk@...
[mailto:bbc-micro-bounces+dominic=brahms.demon.co.uk@...] On
Behalf Of Mark Haysman
Sent: 09 March 2009 10:33
To: BBC micro mailing list
Subject: Re: [BBC-Micro] Disable tube?

Hi.

Does the sound in the machine work okay? Play music etc from games? The CMOS

is read/written through the System VIA, which also does the sounds, so as 
you said you lost a "boop", is could be a System VIA on the way out.

Or, as it's only the tube crashing, may be the Tube ULA, or the Custom IC 
that bufferes the internal tube on it's way out.

Mark.

----- Original Message ----- 
From: <me@...>
To: "BBC micro mailing list" <bbc-micro@...>
Sent: Sunday, March 08, 2009 10:18 PM
Subject: Re: [BBC-Micro] Disable tube?


> On 8 Mar 2009, at 21:54, Mike wrote:
>
>> One last thought, which had me baffled on another system: How are the
>> batteries? I find that the clock stops first, and then you get
>> random CMOS
>> re-writes.
>
> I'm pretty sure they were fresh, but just in case I replaced them with
> three new AAs, reset the CMOS, re *CONFIGUREd everything, and...
>
> It's still the same. :(
>
> Possibly useful factoid:
>
> My second boot-beep has disappeared. Instead of going boo-beep! it
> just goes boo- and then shows the BASIC prompt.
>
> ~DG
>
>
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> bbc-micro mailing list
> bbc-micro@...
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> 



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