I AM A SOUND ENGINEER BASED IN MEXICO CITY I OWN AN ALESSIS ADAT HD24 AND WHEN TRYING TO USE A HARD DISK (OTHER THAN THE ONE THAT WAS SUPPLIED WITH THE UNIT) IT DOES NOT RECOGNIZE IT.
I BOUGHT A SEAGATE 20M 7200 RPM HARD DRIVE AND I CHANGED THE JUMPER POSITION TO ALL POSSIBLE COMBINATIONS. AND DOES NOT WORK