Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!jgreco
From: jgreco@csd4.milw.wisc.edu (Joe Greco)
Newsgroups: comp.sys.cbm
Subject: Re: Drive alignment test
Message-ID: <686@csd4.milw.wisc.edu>
Date: 31 Jan 89 16:28:22 GMT
References: <10976@s.ms.uky.edu> <24100005@tippy> <849@ttrdf.UUCP> <01sIue74Q91010Je4Sk@amdahl.uts.amdahl.com>
Sender: news@csd4.milw.wisc.edu
Reply-To: jgreco@csd4.milw.wisc.edu (Joe Greco)
Organization: UW-Milwaukee Home for Out-of-date 8 bit Hackers
Lines: 17

In comp.sys.cbm article <01sIue74Q91010Je4Sk@amdahl.uts.amdahl.com>, dwl10@amdahl.uts.amdahl.com (Dave Lowrey) wrote:
]In article <849@ttrdf.UUCP> carus@ttrdf.UUCP (Bryce W. Carus) writes:
]>...there is a simple way to align a drive with minimum equipment and software.
]>
]>The principle behind it is to read the raw AC signal coming off the head and
]>feed that into a simple filter which rectifies it into a couple volts DC. This
]>signal can then be read with a simple analog voltmeter. The idea is to use the
]>output as a "peak" indicator...you are on track when the signal is at it's
]>peak. You'd want to do this with a decent disk...I use CBM's utility disk.

Will somebody post a few more details?!?!?!?

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