[NTLK] Newton Mp2x00 Extract the ROM, request for help

John Heinrichs minicapt1 at mac.com
Sun Feb 1 15:56:25 EST 2015


He did say ‘beer’.

Cheers
John
 minicapt1 at mac.com

> On 01 Feb 15, at 11:58, Jeff Sheldon <jeffsheldon at gmail.com> wrote:
> 
> Frank was more likely thinking along the lines of "Bud Light" so he
> can put the savings towards a box of replacement ROM boards.
> 
> Thanks for confirming the two middle layers as ground and power.
> 
> 
> -Jeff
> 
> 
> On Sun, Feb 1, 2015 at 1:47 PM, Matthias Melcher <mm at matthiasm.com> wrote:
>> 
>>> On Feb 1, 2015, at 7:36 PM, Frank Gruendel <newtontalk at pda-soft.de> wrote:
>>> 
>>>> PS: yes, I had the basics in Eagle PCB CAD already. You guessed it:
>>> 
>>>> http://matthiasm.com/ROMBoard.jpg
>>> 
>>> 
>>> Ha! I KNEW IT!
>>> 
>>> One of these days we should meet and have a beer. Or two. Beer will be on
>>> me...
>> 
>> Sure. Let's meet any time. I am located in Düsseldorf, Germany. Anyone else on the list who wants to try some fantastic German beer?
>> 
>> Here is an aligned image of all layers in the ROM board. Its a 4-layer board, but layer 2 and 3 are ground plane and power plane only. I am getting my 6-layer version of Eagle CAD tomorrow, so I can trace everything in. Once we have this, we can figure out the missing parts on the back of the ROM card (12MB Flash RAM for everyone for a few bucks!), and we can even make new ROM cards with better chips (4 ROMs in one, reflash your firmware, adding features...).
>> 
>> Anyway, have fun with this (note the PSD, photoshop extension!):
>> 
>>>> http://matthiasm.com/ROMBoard.psd
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> 
> 
> 
> -- 
> -Jeff
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> 
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