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Re: DOS 3.3




I thought of another possibility: if you mis-plug the cable into the disk
interface so it is off by one pin, it blows the 74125 chip in the drive. 
This is a very common failure because the connector is not keyed and it's
so easy to do.

TomZ

> Stanley W. Boyett <swboyett@ro.com> wrote in article
> <01bbbfa6$53619100$c45cd8cd@sh1.ro.com>...
> > I have one A2plus and one A2e. I inherited these machines with a bunch
of
> > software/disks of questionable condition. Both machines work but, will
> not
> > boot a disk.