Date   : Fri, 05 Sep 2003 23:50:38 +0100
From   : "Mike Mallett" <mike.mallett@...>
Subject: Re: BBC Master 512K Upgrade to 1024k

I have a vague memory of one of the 512 books I have here having a complete
DIY project for this ....





> -----Original Message-----
> From: Majordomo List Manager [mailto:majordomo@...] On Behalf Of
> Andrew Hancock
> Sent: 05 September 2003 23:18
> To: 'bbc-micro@...'
> Subject: [BBC-Micro] BBC Master 512K Upgrade to 1024k
> 
> 
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> 
> Hi
> 
> Shortly after the BBC Master 512k was released, documentation was
available
> to complete DIY upgrades to add another 512k RAM.
> 
> At the time I never complete the upgrade due to lack of funds and cost of
> ram.
> 
> Completing a PCB today for this upgrade shouldn't be a problem, but from
> what I remember new eproms were required to address this memory range.
> 
> There was a company that was producing these upgrades commercially.
> 
> Does anyone have images of the roms on the Daughterboard or completed
PCBs?
> 
> Regards
> 
> Andrew
>