Head lock, CDC 9720-500

Dennis Boone drb at msu.edu
Wed Feb 14 09:47:26 CST 2007

I'm preparing to have several 8" sealed HDA SMD drives shipped to me.
They're what Prime called a model 4735 496 MB drive, and CDC called
(I think) a 9720-500.

If the manual is on Bitsavers, I don't know what it looks like.

Is there a shipping lock on the heads of these drives?  How to set it?



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