Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site siemens.UUCP Path: utzoo!linus!decvax!harpo!floyd!clyde!burl!ulysses!allegra!princeton!eosp1!siemens!bourne From: bourne@siemens.UUCP (Dave Bourne) Newsgroups: net.micro.apple Subject: MacMemory Message-ID: <211@siemens.UUCP> Date: Thu, 14-Jun-84 16:15:33 EDT Article-I.D.: siemens.211 Posted: Thu Jun 14 16:15:33 1984 Date-Received: Sat, 16-Jun-84 00:46:54 EDT Organization: Siemens RTL Princeton, NJ Lines: 14 The PAL chips provide all the address decoding, bus control, timing, refresh garbage for the RAM, etc. etc. (see first issue of MacWorld or February '84 issue of Byte magazine). When upgrading from 128K to 512K, its probably necessary to decode a few more address lines thus requiring a new PAL chip as well as new memory chips. Is this the type of comment you were looking for? "The buck does NOT stop here" dave at siemens!bourne