Path: utzoo!utgpu!attcan!uunet!super!udel!rochester!rutgers!apple!han From: han@Apple.COM (Byron Han, Architect) Newsgroups: comp.sys.mac Subject: Re: Mac //x upgrade (price)? Message-ID: <17844@apple.Apple.COM> Date: 27 Sep 88 15:03:45 GMT References: <1797@uokmax.UUCP> <1057@lakesys.UUCP> <766@drexel.UUCP> Sender: uucp@super.ORG Reply-To: han@apple.com.UUCP (Byron Han, Architect) Distribution: na Organization: Apple Products - Networking & Communications Lines: 30 In article <766@drexel.UUCP> jeff@drexel.UUCP (Jeff White) writes: > Do you need to purchase the PMMU if you have or are upgrading to a Mac IIx? >I was under the impression that the 68030 had the memory management unit >built in (like the 80386 chip does). If this is true, I don't know why Apple >would list the PMMU as part of the upgrade path from a II to a IIx. > Upgrade paths starting from a standard Macintosh II: 1. Get a PMMU. End result? 68020/68881/68851 with standard floppy drives. 2. Get a PMMU. Get a floppy drive upgrade kit. End result? 68020/68881/68851 with SuperDrive. 3. Get a floppy drive upgrade kit. End result? 68020/68881 with SuperDrive. 4. Get a logic board upgrade kit. Get a floppy drive upgrade kit. End result? 68030/68882 with SuperDrive. You have a Macintosh IIx. 68030 has on-chip MMU. Does not require a 68851. If your dealer tells you otherwise, he/she is wrong. This is not an official Apple endorsement or statement. This does not imply availability or pricing. ------------------------------------------------------------------------------ Byron Han, Communications Architect "Just say NO to MS-DOS." Apple Computer, Inc. ------------------------------------- 20525 Mariani Ave, MS27Y domain: han@apple.COM Cupertino, CA 95014 UUCP:{sun,voder,nsc,decwrl}!apple!han -------------------------------------- GENIE: BYRONHAN ATTnet: 408-973-6450 Applelink: HAN1 CompuServe: 72167,1664 ------------------------------------------------------------------------------