> >There is a command in the Goldcard to set the step rate which
> >has to be set for some drives and causes them to rattle when
> >not right. I don't have a manual to hand and can't remember the
> >command syntax but maybe you can look it up or somebody
> >'listening' in knows it off by heart?
> 
> FLP_JIGGLE 1 is also worth trying.

FLP_JIGGLE fixes probs on Mitsubishi ED disk drives (according to my
Gold Card manual - in Super Gold Card suppliment section!; which also
mentions AUTO_TK2F1, AUTO_TK2F2, AUTO_DIS which work on my Gold Card)

Extra FLP commands are:

FLP_JIGGLE [#,]s
                - Set jiggle state all or specified (#=1,2,...) drive
                       s = 0 -> jiggle off, s = 1 -> jiggle on.
                    If set on a drive which don't need it can cause 'not
found'
                    or 'bad or changed medium' errors.
FLP_USE <dev>   - (eg FLP_USE MDV) convert all <dev>'s to FLP
                    (using above, eg DIR MDV1_DATA_ -> DIR FLP1_DATA_)
FLP_TRACK [#,]n - Specify number of tracks (n) on all or specified  (#)
drive
FLP_DENSITY ??? - It shows up on EXTRAS and I can't find it in the
manual
                    (I suspect it allows you to specify the density of
the
                     disk in the drive, overriding any direct detection
(3.5"
                     drives) or for using a SD disk in a DD disk 40
track Drive
                     (5.25" drives?).  I have no idea how the arg(s)
is/are
                     specified.)
FLP_STEP [#,]n  - Set step rate to n millisecs for all or specified (#)
drive.
                    Default 3ms for 80 track, 6ms for 40 track
FLP_START [#,]n - Set time to allow disc to spin upto speed in 20ms
units
                    (1/50's secs).  Default 0.6 sec (n=30)
FLP_SEC <lev>   - Set data integrity check level:
                     0 - Check disk change on Open only if disk stopped
and no
                           files open
                     1 - Check disk change on Open, data/map write if
disk
                           stopped
                     2 - Check disk change on Open, data/map read/write
if disk
                           stopped (default)
                     The lower the level, the less checking & so faster
the
                       disk access, but higher the likelihood of data
corruption
                       if disk changed by user without proper closing of
files.
FLP_EXT          - Pass...it appears twice on the 'EXTRAS' list, the 2nd
time
                     just after TK2_EXT - this 2nd entry, like the 2nd
TK2_EXT
                     entry being there to prevent adding the extras
twice.  Can
                     anyone enlighten me?

Individual drive assingments ('#,' arg) are lost each reset of machine. 
Global settings (no '#,' arg) are remembered between resets/power offs.

Hope this is of help.


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