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Article #40843Re: Memory for LaserWriter II/ntx...?
From: Marc T. Kaufman
Date: Fri, 14 Apr 1989 02:58
Date: Fri, 14 Apr 1989 02:58
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In article <3953@ucdavis.ucdavis.edu> lgdemichillie@ucdavis.edu (Greg DeMichillie) writes: >Yes indeed, the SIMMS for the LaserWriter are NOT the same as the SIMMS for >regular Mac memory. Why? I don't have the faintest idea. The Laserwriter SIMMs have a separate enable line for each bit, so that an 'OR' to memory operation can be performed by writing 1 bits, without the need to read the location first. It's faster that way. Marc Kaufman (kaufman@polya.stanford.edu)
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!decwrl!shelby!polya!kaufman From: kaufman@polya.Stanford.EDU (Marc T. Kaufman) Newsgroups: comp.sys.mac Subject: Re: Memory for LaserWriter II/ntx...? Message-ID: <8444@polya.Stanford.EDU> Date: 14 Apr 89 02:58:33 GMT References: <3953@ucdavis.ucdavis.edu> Sender: Marc T. Kaufman <kaufman@polya.Stanford.EDU> Reply-To: kaufman@polya.Stanford.EDU (Marc T. Kaufman) Distribution: usa Organization: Stanford University Lines: 10