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PROBLEMS.TXT
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1991-02-28
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SUPERMON GIVING PROBLEMS?
If, on powering up, you get a ringing type of noise, you have
without a doubt a dirty cartridge slot, or special MMU and GLUE
chips.
The first can happen either after some use of the cartridge, or
even the very first time you plug it in.
The cause for this happening after some time of use is simply an
accumulation of dirt and dust, and the simple remedy is to clean
the BOARD contacts with a pencil rubber, and that is it.
The reason this happens with new cartridge slots appears to be
that a thin film of lubricant (oil) has been left on the contacts
after manufacture. This oil should have been removed in the
factory, but it seems that quite a few cartridge ports have
missed the cleaning process.
Fixing this problem can be done two ways, the fast and the slow
way. The fast way is to get hold of a can of contact cleaner (NOT
the oily type, the type that leaves no residue at all. Give both
the slot and the board a good spray and that should be it.
The slow way is to keep cleaning the contacts on the board every
time you unplug the cartridge, and this way finally get rid of
all the gunk.
So, if you get this problem, don't panic, and above all, don't
blame the Supermon cartridge, as it has honest to goodness gold
(yes, GOLD) plated contacts. Blame the manufacturer of the
cartridge slots, and blame Atari for not having better quality
control.
Now for the GLUE/MMU problem. It seems that Atari had some of
these chips manufactured by a company called IMP. These chips
apparently have some kind of timing problem, and about 50% of the
time the system will not power up correctly with Supermon
installed. THIS IS NOTHING TO DO WITH SUPERMON!!!!!!!!!!!!!!!!!!!
For some strange reason different format disks behave in
different ways. At the moment Atari (Aust) is trying to get more
information, and by the time you receive your Supermon, we will
hopefully have found a solution to this problem.
If you do find you have these chips, and a problem, please
contact me for the solution. Phone or fax is (07) 801 1218.
Thank you,
Will Visser.