Re: TWGS vs. ZipChip

[isc10327@nusunix1.nus.sg (ONG TAT-WEE)]

David.Empson@bbs.actrix.gen.nz wrote:
: In article <1992Nov1.165752.11728@nuscc.nus.sg> isc10327@nusunix1.nus.sg (ONG TAT-WEE) writes:
: 
: For all peculiar problems with ZIPs and 3.5" drives, I recommend
: making sure that slot 6 is set to 'slow' speed on the ZIP.  (Slot 6
: contains the I/O locations used to access the 3.5" drive, even though
: the drive appears to be in slot 5.)
: 
: I was having occasional strange problems, such as the drive going into
: an infinite seek back-and-forth loop, until I slowed down slot 6.  I
: believe the problems were caused by tight CPU timing loops in the
: AppleDisk3.5 driver, which on rare occasions were causing a seek error.
: (The drive didn't quite seek far enough, so the driver recalibrated it
: and tried to seek again.  This also failed, and it never stopped trying.)
: -- 

	Thanks for the tip!  I currently have my slot 6 running at Fast.
Think I'll slow it down to see if it solves the drive problem.

: David Empson
: 
: Internet: David.Empson@bbs.actrix.gen.nz    EMPSON_D@kosmos.wcc.govt.nz
: Snail mail: P.O. Box 27-103, Wellington, New Zealand

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