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MS-DOS version 6 differences

Caluser2000

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Joined
Jan 3, 2010
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One of the changes between MS-DOS 6.20 and 6.21 was a workaround for a hardware bug in certain Cirrus Logic chips used in some harddrives. Running a surface scan in Scandisk with DOS set to have VERIFY=ON would erase all data on the drive... Oh, the irony :D

The only mention of this that I can find is this. (I have a bunch of Conner CFS210A drives so I should probably keep using DOS 6.22) :)
As long as you don't set VERIFY=ON there's no problem or just don't use scandisk at all.
 
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