Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watnot!watmath!clyde!cbatt!ihnp4!ihlpf!straka From: straka@ihlpf.UUCP Newsgroups: comp.sys.mac Subject: 3rd party upgrades Message-ID: <1359@ihlpf.ATT.COM> Date: Tue, 7-Apr-87 08:31:19 EST Article-I.D.: ihlpf.1359 Posted: Tue Apr 7 08:31:19 1987 Date-Received: Fri, 10-Apr-87 04:33:53 EST References: <127200004@inmet> Organization: AT&T Bell Laboratories - Naperville, Illinois Lines: 18 Summary: 512KE -> 1024KE homebrew > Last weekend I helped a friend do the old Dr. Dobbs upgrade on his > 128K Mac to 512K, bringing it into the 20th century. Today he went down OK all you hardware hackers out there, how do I take my Dr. Dobbs 512KE Mac and add another 512K to it? I want to do it MYSELF, and am certainly not above piggybacking RAM chips (with chip-select leads hanging out), and adding a fan. I don't have schematics, and am not familiar with the decoding details. It can't be TOO hard! By the way, any info on 2Megs wouldn't hurt either! Alternatively, any info on *inexpensive* ram upgrades would also be appreciated. ANY LEADS? Ad THANKS vance. -- Rich Straka ihnp4!ihlpf!straka