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Re: Apple //e as serial terminal



On 23 Sep 1999 05:55:22 GMT, supertimer@aol.com (Supertimer) wrote:

>This is a common misconception.  I've used ProTERM
>on a IIe with a Super Serial Card before and I know why
>this misconception exists.  Early Super Serial Cards
>have a faulty 6551 serial chip that is responsible for the
>character loss.  It has nothing to do with the speed of
>the computer.  Even if you plug the SSC with the faulty
>chip into the fastest TWGS or Zip GS accelerated
>system, you will not fix the character loss.

The problem with the 6551 only affects data loss of outgoing data.
That is what cuts off a character midway through transmission if one
of the handshaking signals is used.

The problem with the unenhanced IIe is in the ROM, I believe.
Basically, scrolling takes too long or does something to interrupts
which causes the computer to miss incoming data.

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