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Rockbox mail archiveSubject: Re: DRAM 2MB -> DRAM 8MBRe: DRAM 2MB -> DRAM 8MB
From: George Styles <george_at_ripnet.co.uk>
Date: Mon, 16 Sep 2002 15:37:45 +0100 You are a nutter :) (meant in a joking friendly way... we need no more flames/argueing on the list) good work g ----- Original Message ----- From: "Matthias Wächter" <matthias_at_waechter.wiz.at> To: <rockbox_at_cool.haxx.se> Sent: Monday, September 16, 2002 3:15 PM Subject: DRAM 2MB -> DRAM 8MB > Hi folks, > > Did some soldering today in my company. A lot of work (about 2.5 hours) > for the unmounting and mounting of the DRAM chip and additional work for > the patching of some wires. At least no patches (cutting) on the board > were necessary, just 12 additional wires and bending of two pins of the > new DRAM chip. Additionally, I found out there is a documentation mistake > in the AJB schematics about the connection of the address bus: DRAM's A0 > is connected to SH1/FLASH's/etc A1 and so on - of course, we have 16-bit > addressing at the DRAM so it has to ignore A0. And some additional > mistakes about A0-A2 connected to the 573, but that's a minor issue. > > Put it all together again and - it works! At least using 2MB, no patched > firmware available yet supporting 8MB, I will play with this tonight. > > Sorry, no pictures available yet (but expect some ugly soldering on the > pics ...) :-) > > I keep you on track about the firmware patch and (hopefully) the success > story. > > Sehr Wus, > - Matthias > > -- > "To get control over people, make them trust you. > To make people trust you > don't try to tell them the truth about history > but make happen what you told them about the future." > > Received on 2002-09-16 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |