Good haul of old pc stuph
ard at p850ug1.demon.co.uk
Sat Dec 17 17:32:29 CST 2005
>  The CCR-81 is notorious for being not very trustworthy with one's data.
> If you're looking for a Tandy data tape deck, search for the CCR-82 -
> *very* good deck.
The really bad one in my experience is the CTR-80. This was supplied
with some Model 1's and had a really nasty design bug. When turned off by
the remote socket _in play mode_, the erase head would put a glitch on
On a Level II machine, the tape would be turned off if there was a
checksum error in the last block read. So if you had a temporary error (a
speck of dirt on the tape or something) which caused a bad read, the tape
would stop and the _next_ block would be ruined. That tape would never
The work-around was to pull the remote-control plug and use it in manual
control mode only. The fix, IIRC, was to solder a 10uF capacitor in
parallel with the erase head.
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