Apple Hard Disk 20 followup

[Jeff Walther]

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.  I have not tested them 
yet.   I did open them up the other night and take a look.  I found 
many dust bunnies.

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.

Also, the power connections to the drive are in that 26 pin connector 
too, so I suspect that leaves insufficient pins available for the 
SCSI signals...

Jeff Walther

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