Re: PC <--> IIgs communication problems

["william strutts" <wrstrutts1@nospam.home.com>]

"Ken Tucker" <ktucker@NOSPAMiit.net> wrote in message
news:spxm7.166441$oh1.71302921@news2.rdc2.tx.home.com...
> Hi,
>
> I recently purchased a Mac Modem cable and a null modem cable.Together,
I've
> connected COM1 on my PC to the modem port of the IIgs. I'm trying to get
> started on getting ADTgs (trying to transfer the initial ADT binary file
> over), but am having problems.
>
> I have set both my PC and my IIgs to 300 baud & 8N1. On the IIgs, I type
> IN#2 and it goes to the next ] prompt. On my PC, I have tried both "type
> adtgs.dmp > com1" and using Hyperterminal to send the same file, but I get
> absolutely nothing on the IIgs screen. I've tried the same think with the
> IN#1 (setting the printer port to be a modem port), thinking the IIgs's
> modem port was bad. Same result.
>
> I have also tried the inverse - running PR#2 on the IIgs and Hyperterminal
> on the PC. This gives me better results. For every keystroke I make on the
> IIgs, I see garbage characters (they're actually special chars) in
> Hyperterminal. If I do a LIST or CAT from the IIgs, I can tell that it is
> sending garbage characters equal to each of those commands to my PC.
>
> From my IN#2 woes, I assumed my cabling was bad. However, I believe I have
> the right cables. From my PR#2 woes, it looks like the cable is working,
but
> there's some sort of serial port mis-communication between the two. There
> are multiple settings on both the IIgs serial port and the PC port which I
> know I could adjust, but I'm not sure which to change.
>
> Anyone have any thoughts or ideas?
>
> Thanks!
> Ken
>

Hyperterminal needs to have a line or a character delay set to
properly send the character to the IIgs. I have it set for 90ms for
each character and around 150-200 ms for a line delay.  That
helped stop many of the drop out characters that I was getting.

--
--
William R. Strutts - wrstrutts1@nospam.home.com - Whatever!

C'est moi!  http://www.facelink.com/wrstrutts

Just hacking away...

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