Re: Hacking 1764 RAM expansion to 512KB

From: Professor Dredd (
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:
    Commodore Knowledge Base has several comprehensive articles
    about the REU. At least one of them covers increasing
    capacity beginning with Article 191:
    There's an interesting thread in the cbm-hackers archive
    pertaining to future large REUs:
    Ruud is an ingenous fellow who has his own ideas about such
    You may also find the following schematics useful:
    Several articles are also available on Constructing 64:
    Yet another document describing a 2 MB REU exists at C=
    Computer Connection:
    Probably duplicates, but for completeness there are
    articles about expanding up to 512K at:
    And from the Sharks:
    If all that isn't enough to whet your appetite, you'll find
    much more information with the following Google search:
    Happy hunting  :)
    --- Daniele Gratteri <> 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?
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