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A501+ expansion (rot projekt)

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Post subject: A501+ expansion (rot projekt)
Posted: Sat 8 Apr 2017 12:34
Posts: 7
Joined: Sun 5 Feb 2017 09:37
Anybody here with a classic A500+ with "red A501+ memory expansion" from "Rote projekt" (red A500+ motherboard kit by Scrat and Matze, cf on A1k.org forum) ?

My A500+ has only 1 Mb and, as Elbox 500+/1 or Microbotics A502 became rare in 2017, it would be a good alternative... I have'nt yet my V500 V2+ but my old A500+ is nearly ready to make a time jump ;-]

Or perhaps Kipper2k have yet in stock thos model http://www.kipper2k.com/a500chip.html ?

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Post subject: Re: A501+ expansion (rot projekt)
Posted: Fri 28 Apr 2017 16:10
Posts: 1
Joined: Fri 28 Apr 2017 16:07
Yes, I bought one along with the full A500+ MB and I started out assembling the 1MB expansion and tested it in my standard 500+. As expected, it works just like any other 1MB expansion, so if you have the skills to solder it, go ahead and get one.

Alternatively, you can also go really cheap and get this DIY kit if you have some old EDO memory modules lying around that you can steal some ICs from:
http://eab.abime.net/showpost.php?p=114 ... stcount=60

Or buy his finished board:

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