Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!purdue!bu-cs!dartvax!eleazar.dartmouth.edu!isle From: isle@eleazar.dartmouth.edu (Ken Hancock) Newsgroups: comp.sys.mac Subject: Re: 68851 PMMU Test... Message-ID: <14384@dartvax.Dartmouth.EDU> Date: 13 Jul 89 01:55:14 GMT References: <8386@batcomputer.tn.cornell.edu> Sender: news@dartvax.Dartmouth.EDU Reply-To: isle@eleazar.dartmouth.edu (Ken Hancock) Organization: Personal Computing Center, Dartmouth College Lines: 32 In article <8386@batcomputer.tn.cornell.edu> mha@tcgould.tn.cornell.edu (Mark H. Anbinder) writes: >In article aw1j+@andrew.cmu.edu (Adam Duncan Warr) writes: >>There is no way to really test to see if the PMMU is >>functioning correctly(at least I don't know a way). >>Except! If you have the Virtual INIT and install it on >>you Mac, you will find that, given you have enough space >>on your hard drive, you have 8 megs of virtual memory. >> Tha is the best test I know of. I have done this test on >>several machines where I work. It will tell you if your >>PMMU is working. > >If you boot your machine with Virtual, checking that the About the Finder >box shows that you have 8,192K of RAM DOES NOT mean that Virtual OR your >PMMU are working properly. All that shows is that Virtual has TOLD the >Macintosh that it has access to 8 megs, and the Mac believed it. The >paging would still fail if your PMMU were not working properly. > Let's be slightly realistic. I'm sure the folks who wrote Virtual check to make sure a PMMU is operating. If it wasn't installed right, they wouldn't be able to detect it and hence, wouldn't load Virtual in. The easiest way to check would be use the cdev MacEnvy, available from info-mac. Ken Ken Hancock '90 | BITNET/UUCP/ Personal Computing Ctr Consultant | INTERNET: isle@eleazar.dartmouth.edu -----------------------------------+---------------------------------------- DISCLAIMER? I don't get paid enough to worry about disclaimers.