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Article #15599

Re: RLL controler

#15599
From: berger
Date: Fri, 06 Feb 1987 21:08
24 lines
1705 bytes
The ST-238 is an ST-225 with special read/write electronics.
I've used RLL controllers for a year and a half with good
success.  I've used it with older drives, and haven't had any
problems related to RLL yet.

Specifically, I've run the Adaptec 4000 series RLL SCSI con-
troller, the Adaptec 2070 for the PC, and OMTI 5527 for the
PC.  They worked well with the Seagate ST-238, as expected,
but also worked with the CDC Wren-86, Maxtor 1065, Maxtor 1140,
Seagate ST-4026, an ancient CMI 10 megabyte drive, and an
ancient Miniscribe 10 megabyte drive.  I experienced a little
flakiness with a Syquest 306R cartridge drive, but that may have
been my own fault.

Despite rumors to the contrary, I've had no trouble reformatting
a drive for MFM after using it with RLL.  Seagate drives apparently
have the most restrictive interface requirements (ie: step rates,
etc. must be within tight tolerance to specs), and have given
me the most troublesome performance (also true with standard MFM
encoders).  Also, Seagate won't honor the warranty on any drive
used with RLL that's not specifically designed for it.

			ihnp4!uiucuxc!clio!berger
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References: <860@drivax.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!cbatt!ihnp4!inuxc!pur-ee!uiucdcs!uxc.cso.uiuc.edu!clio!berger
From: berger@clio.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: RLL controler
Message-ID: <16800032@clio>
Date: Fri, 6-Feb-87 16:08:00 EST
Article-I.D.: clio.16800032
Posted: Fri Feb  6 16:08:00 1987
Date-Received: Sun, 8-Feb-87 06:08:02 EST
References: <860@drivax.UUCP>
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Nf-ID: #R:drivax.UUCP:860:clio:16800032:000:1137
Nf-From: clio.Uiuc.ARPA!berger    Feb  6 15:08:00 1987