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Old 02 March 2008, 20:35   #7
Jope's Avatar
Join Date: Jul 2003
Location: Helsinki / Finland
Age: 39
Posts: 7,918
Originally Posted by aquanaut View Post
I thought that the external unit was just a connection to the disk port and a drive as DF1. I'll stick with a single drive system for now.
Look inside the external unit. You'll find two 74 series logic chips on a little board in there. These are needed for DF1 to work. In big box amigas, the same kind of logic is on the motherboard and it is enabled by setting a "df1 enable" jumper. On the A500/600/1200, there's only enough logic on the motherboard for DF0: and nothing more.
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