Date   : Sun, 01 Oct 2006 18:53:24 +0100
From   : Mike Tomlinson <mike@...>
Subject: Re: One more BBC B to fix

In article <00c801c6e537$404d2f40$4800a8c0@...>, Robin Commander
<robincommander@...> writes
>A long shot, but have you tried swapping out the 6522 VIA chips ?
>
>A long time ago I had an issue 7 BBC Micro which wouldn't start up (just got
>a long bleep and blank screen), iirc there were two 6522's on the board and
>I was able to get it to boot by swapping the chips over.

The machine will work with the user 6522 removed, but the printer and
user ports will not work.  It'll power up and display a cursor with the
system 6522 removed, but will not boot fully.

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