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Old 01 March 2008, 08:48   #2
Jope
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 39
Posts: 7,916
The trick, you need a motor enable-flipflop and the rdy pulse generation logic that are commonly found in external drives. Then you need to wire DS1 from the CIA chip to the circuitry you have created.

The A500 does not have the required circuitry to support an extra drive on the motherboard, so you need to add them.

Aminet doc/hard has several projects on making your own external drives. Start from there.
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