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« on: January 23, 2013, 11:04:46 AM »
Yes the parallel port's outputs are switched on when windows starts, breakout boards stop this by having a charge pump.
I ALWAYS DELETE THE PARTITION AND REFORMAT THE HARD DRIVE AND ONLY INSTALL WINDOWS XP AND MACH3 ON THE COMPUTER, but be carefull not to delete the small partition on the drive as it's needed on dell machines to boot the drive.
It's quite possible that another program had access to the parallel port and was affecting it.
If you raise the low limit of the spindle pulley to 100 you will see if the enable is working.