[rescue] Burroughs B1000 series minicomputer disk exerciser

Nigel Williams nigel.d.williams at gmail.com
Sat Mar 3 02:33:00 CST 2012

Anyone familiar with the Control Data range of disk drives? I found a
hit on the instrument plate, for a 844-21 disk drive:


the tester instrument plate (higher rez than the craiglist):
front of the tester: http://i.imgur.com/YSBmp.jpg

But no sign of a 975X or HPD (is this high-performance disk perhaps?)

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