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If you can't find them then use the set steps per feature found in the settings tab just above reset.

Follow what it tells you and it will set the steps per for you.

Sounds like the number of steps are not setup correctly for the board? check the jumpers on the board against what you have set in Mach3.

Look at link to solve some of the problems!
http://www.sonsivri.to/forum/index.php?topic=33768.0

Peter