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Notice the front panel has a display panel and four buttons.
The two LED display are for track and sector, a Power LED, a Busy LED, and a Protect LED.
The four buttons are: Protect, Drive Type, Track, and Error. Notice also there is a protective retractable panel.
This drive will basically do everything the 1541 can do and a little more.
It does not suffer from the overheating problem as a separate power supply is used to connect to the power source.
Looking at the back of the unit, there are four serial plugs (two standard and two marked "Auxiliary", 4 DIP switches to set the device number (8-11) and adjust the auxiliary plugs, power plug, and the on/off switch.
I think there is problem with the drive detecting the port. Weather I Load the drive directory or the built in ROM directory it will say searching and the computer hangs there. It doesn't matter what port I try 8,9,10,or11.Documentation