Any success using a Perstor ARLL controller with Microport SysV/386?

[John Core]

In article <1990Sep5.210826.14041 at athena.mit.edu>, di at hstbme.mit.edu (David Israel) writes:
> A friend of mine recently bought a Perstor ARLL controller that he
> would like to use with Microport SysV/386 v3.0e.  However, he found that
> he could not get through the install procedure (he has no trouble 
> installing with an MFM controller), even though the hardware works
> fine under DOS and Microport supports RLL controllers by allowing a
> user-selectable number of sectors per track.  Has anybody
> managed to install Microport System V/386 on a machine with this
> controller?  If so, could you provide details?  Failing that, does
> anybody know whether this controller is usable with any of the other
> 386 Sys V versions?  Thanks.
> 
> David Israel (di at hstbme.mit.edu)

a few questions. What did he use to low-level the drive, how did the install
fail?

Some controllers forget about the existance of any other os other than
MS-DOS and mark the ENTIRE track bad when they find a bad sector. This
will add 26 entries (26 sectors/track) into /etc/partitions on the uport
install quickly blowing the 64 entry limit.


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