Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/17/84; site hao.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxj!houxm!hogpc!houti!ariel!vax135!cornell!uw-beaver!tektronix!hplabs!hao!ward From: ward@hao.UUCP Newsgroups: net.micro.apple Subject: Re: A proposal for Mac upgrades Message-ID: <1193@hao.UUCP> Date: Sun, 7-Oct-84 18:44:06 EDT Article-I.D.: hao.1193 Posted: Sun Oct 7 18:44:06 1984 Date-Received: Tue, 9-Oct-84 03:00:27 EDT References: <227@ssc-bee.UUCP> <352@wlcrjs.UUCP> Organization: High Altitude Obs./NCAR, Boulder CO Lines: 18 > From what I have heard and read, there is NO difference between the 128K > boards and the 512K boards except for the type of RAM chips installed. > In other words, the boards were designed to take either type of chip from > the beginning (or sometime around then). Apple now says that there were four versions of the 128K board made, and the latest version is identical to the 512K board. Hardly "from the begining". Also, some expensive and difficult to use de-soldering equipment is needed to remove the old chips. -- Michael Ward, NCAR/SCD UUCP: {hplabs,nbires,brl-bmd,seismo,menlo70,stcvax}!hao!ward ARPA: hplabs!hao!sa!ward@Berkeley BELL: 303-497-1252 USPS: POB 3000, Boulder, CO 80307