Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!mips!daver!dlb!megatest!sgrae From: sgrae@megatest.UUCP (Steve Graesser) Newsgroups: comp.sys.mac.hardware Subject: Re: What do Rev B ROMs do? Message-ID: <18795@megatest.UUCP> Date: 5 Jun 91 15:40:35 GMT References: <1991Jun3.211128.13792@leland.Stanford.EDU> Organization: Megatest Corporation, San Jose, Ca Lines: 17 From article <1991Jun3.211128.13792@leland.Stanford.EDU>, by brod@jessica.Stanford.EDU (Brodie Lockard): > What do the Rev B ROMs in a Mac II do that the Rev A ROMs did not? > Didn't this upgrade have something to do with 32-bit addressing? > What's the difference between a Rev B ROM upgrade and the upgrade > everyone wants Apple to provide to allow 128MB of RAM? > The first Mac II ROMs had problems recognizing add-in memory boards. This from the July 1991 issue of MacWorld pg. 178 Steve -- Steve Graesser {decwrl | amdcad}!megatest.uucp!sgrae Megatest Corp. 880 Fox Lane San Jose, CA 95131 | (408) 441-3077