Re: Tape port trouble on a PET 2001Nc

From: David Wood (
Date: 2002-11-09 19:13:22

Power loading from the cn232 is very small.  The tape drives do always drain
some on 5v, but not always on the 9v motor line.  If a datasette doesnt kill
it, the cn232 shouldn't.

Does this occur when the PC is -and- is not hooked to the cn232?


On Sat, 9 Nov 2002, Marko [iso-8859-1] Mäkelä wrote:

> I recently sold a C2N232 interface to someone in Germany.  When he plugged
> it into cassette port #1, the computer crashed and sometimes went to the
> machine language monitor.  A normal tape drive works in both ports, but
> the C2N232 only works in port #2.  Does anyone have an explanation?
> The computer is a North American PET2001N32, and he uses it with a 220->110
> volt transformer that has enough wattage (400 VA).  The only electrical
> differences between the C2N232 and the tape drive should be that the C2N232
> takes some power from the +5V line all the time, while the tape drive might
> not, and that the cassette motor power line is not connected to the C2N232.
> 	Marko
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