Re: VIC-II DRAM refresh

From: Francesco Messineo <>
Date: Fri, 14 Oct 2016 09:39:07 +0200
Message-ID: <>
On Fri, Oct 14, 2016 at 9:34 AM, Gerrit Heitsch
<> wrote:

> Hm? They did use Micron DRAM, the dreaded MT4264-xx, in the C64 though. That
> must have been a very early revision of the VIC2.

what's wrong with the uT4264s (u as in greek mu)? I've seen them in
many C64 boards but I don't think they failed more often than other

> I remember that differently, they tried to make their own RAM, bought a
> design from Micron and couldn't get it to work. Micron then admitted that
> they couldn't get it to work either and that's when Commodore sued them.

I heard this story too, probably was in a Herd's talk on youtube iirc.


       Message was sent through the cbm-hackers mailing list
Received on 2016-10-14 08:01:56

Archive generated by hypermail 2.2.0.