Re: Happy but disappointed

[mjmahon@aol.com (Michael J. Mahon)]

Wayne Stewart wrote:

<snip>

>Odd 16k card though, has a toggle switch on it that's accessible from
>outside the computer. Write protect? Guess I'll have to do some
>testing or circuit tracing to find out.

Is it manufactured or added by someone?  It was popular to install
a switch to disable the "zapping" of the RAM card by the DOS 3.3
card loader, so that changes could persist across re-boots.  (Another
more persistent way to do this mod was to lift an IC pin.)

>Floppy drive didn't work. On opening it I checked the cable first
>and sure enough it was plugged in upside down. I figure someone took
>it apart to clean the head then plugged the cable in upside down on
>reassembly which also fried a chip when they plugged it in.

It's a shame that Apple didn't use keyed connectors for the disk
cables--it would have save a lot of grief.  On the controller, they
used the right-angle header so that putting the connector on
wrong way requires deforming the header and squeezing the
cable against the card--sort of a makeshift "key", but not nearly
as good as the real thing.  And, of course, there's nothing to
help on the analog card end.

-michael

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