On 6/22/03 4:10 PM, Jeff Walther posted:

>It turned out that the Goodwill store had three of the HD 20s on the 
>shelves at $5 each, so I picked up all three....
>
>The hard drives in all three are Rodime 552's and they do indeed have 
>a 26 pin connector.   That is not consistent with SCSI, IDE nor MFM. 
>It's possible that it's a modified connector for one of those 
>interfaces with all the GND pins tied together or something, but how 
>would one tell?   None of the chips on the controller card are 
>clearly SCSI nor IDE controller chips.

The Apple HD 20 predates the SCSI specification and IDE, so there's no 
way it could be either. In those days, most drives were MFM or RLR, and a 
lot of them still used proprietary connectors. This drive could be unique 
to the HD 20.


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