Re: Hacking 1764 RAM expansion to 512KB

From: Professor Dredd (profdredd_at_yahoo.com)
Date: 2002-03-26 02:53:08

  • Next message: Raymond C. Bryan: "Re: Some interesting chips"
    Hello Daniele,
    
    Probably the best collection of information is at Funet:
    http://www.funet.fi/pub/cbm/documents/projects/memory/reu/index.html
    
    Commodore Knowledge Base has several comprehensive articles
    about the REU. At least one of them covers increasing
    capacity beginning with Article 191:
    http://www.retrobits.com/ckb/
    
    There's an interesting thread in the cbm-hackers archive
    pertaining to future large REUs:
    http://www.softwolves.pp.se/misc/arkiv/cbm-hackers/5/5683.html
    
    Ruud is an ingenous fellow who has his own ideas about such
    projects:
    http://home.hccnet.nl/g.baltissen/e_reu.htm
    
    You may also find the following schematics useful:
    http://staff.washington.edu/rrcc/uwweb/1750/
    
    Several articles are also available on Constructing 64:
    http://www.c64.priv.no/c64/documentation/hacks/
    
    Yet another document describing a 2 MB REU exists at C=
    Computer Connection:
    http://www.sunfishdesigns.com/tcr/
    
    Probably duplicates, but for completeness there are
    articles about expanding up to 512K at:
    http://artofhacking.com/IET/C-64/index1.htm
    
    And from the Sharks:
    http://stekt.oulu.fi/~mysti/the_sharks/Files/Docs/
    
    If all that isn't enough to whet your appetite, you'll find
    much more information with the following Google search:
    http://www.google.com/search?hl=en&q=commodore+reu
    
    Happy hunting  :)
    
    --- Daniele Gratteri <daniele_gratteri@inwind.it> wrote:
    > Hello,
    > 
    > can you tell me where can I found a detailed document
    > which explains how to
    > install additional 256KB of RAM into the 1764 REU? Also,
    > do you know if it
    > is possible to go beyond the 512KB limit (for example,
    > hacking a REU up to
    > 1024KB) and if the software for the 512KB REU is
    > different from the one for
    > the 1764?
    
    =====
    http://www.geocities.com/profdredd
    
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