Date   : Thu, 26 Jul 2007 14:50:57 +0100
From   : dominic@... (Dominic Beesley)
Subject: OT: A3000 help

----- Original Message ----- 
From: "Phil Blundell" <philb@...>
To: "Mark Usher" <mu.list@...>
Cc: <bbc-micro@...>
Sent: Thursday, July 26, 2007 1:35 PM
Subject: Re: [BBC-Micro] OT: A3000 help


> On Thu, 2007-07-26 at 13:27 +0100, Mark Usher wrote:
>> Is anyone on the list handy with an A3000. My brother has bought a 
>> Boxford
>> VMC190 CNC milling machine which is controlled by the A3000. When he 
>> turns
>> on the A3000 it bascially shows a white screen, no desktop. He doesn't 
>> have
>> a mouse connected at the moment (waiting for one to arrive)... Maybe that 
>> is
>> the problem. Also tried a 'delete' switch on.
>
> That sounds like a pretty generic "broken machine" syndrome.  I think
> the A3000 flashes one of its LEDs (disk drive, maybe) if it detects a
> POST error, so that'd be something to check for.  I don't think lack of
> a mouse should be upsetting it.
>
> I have the A3000 technical reference manual at home; I'd be happy to
> scan it and mail a copy to your brother if he wants.
>
> p.
>
I'd take the lid off (two screw at the back and a lot of poking around with 
nasty plastic tabs that all get snapped off at the front underside).

Then check to see if there are any upgrade daughter boards, these are quite 
often shaken loose in transit, give them all a good wiggle/shove/reseat

The RAM upgrade in mine can be a real pain the bum after its been moved.

Dom