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Article #2495Re: Apple SCSI not compatible with standard SCSI?
From: Charles Brown
Date: Sat, 02 Dec 1989 23:55
Date: Sat, 02 Dec 1989 23:55
24 lines
1447 bytes
1447 bytes
>>No. SCSI is not differential. It merely (most of the time) >>interdigitates signals and grounds in the 50 wire ribbon cable. >>Sort of a poor man's differential drive. > No, SCSI *can be* differential. The SCSI specification clearly > defines two electrical interfaces. One is differential, the other > "single-ended". The single-ended version is probably more popular > because is it cheaper to implement. Indeed I was confusing the standard with the implementation. There is an OPTION in the standard to allow differential drive. So can anyone name a product which actually uses the differential drive option? Certainly not the Amiga. > Please know what you're talking > about before posting assertions like this. > Hans-Gabriel Ridder Digital Equipment Corporation Please be less abusive in your corrections. Have you ever made a mistake? -- Charles Brown charles@cv.hp.com or charles%hpcvca@hplabs.hp.com or hplabs!hpcvca!charles or "Hey you!" Not representing my employer.
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!wuarchive!usc!sdsu!ucsd!ucsdhub!hp-sdd!hp-pcd!hpcvca!charles From: charles@hpcvca.CV.HP.COM (Charles Brown) Newsgroups: comp.sys.amiga.tech Subject: Re: Apple SCSI not compatible with standard SCSI? Message-ID: <1410038@hpcvca.CV.HP.COM> Date: 2 Dec 89 23:55:28 GMT References: <ANDREWT.89Nov13165620@watsnew.waterloo.edu> Organization: Hewlett-Packard Co., Corvallis, Oregon Lines: 24