Date   : Sun, 14 Aug 2011 16:37:44 +0100
From   : robert@... (Rob)
Subject: Advice on restoring a dead Beeb?

On 14 August 2011 15:33, Rick Murray <rick@...> wrote:
>> I thought there was always a VDU7 beep at power on as this is part of
>> the "BBC Computer 32K" string being displayed?
>
> I wonder if there is *any* possibility of a power-up that omits the
> second beep? Auto-boot for example?

If you have a second processor attached, you get the startup banner
from that instead - I don't think the 6502 has a beep..

>
> Yes, I believe that was for development when MOS zero-point-zero was in
> a bunch of 8K EPROMs.
>
> Not entirely certain why this option would be continued into production
> hardware. I guess it is one of the many little quirks of the BBC

The very first production machines were supplied with MOS 0.10 in four
4K EPROMS.

Rob