SWTPC 6800

[Dave Wade]

"Random Stuff" on serial ports can be a speed, data-bits, or even parity
mis-match. 
I assume you have tried tweaking these?

Dave

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Brad H
> Sent: 05 August 2016 06:58
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> <cctalk at classiccmp.org>
> Subject: RE: SWTPC 6800
> 
> I think this 6800 is live but I am being dogged by my inabilities when it
comes
> to cabling.  I'm going to purchase a 'proper' db25 female connector and
the
> molex pins for the MP-S connector and solder it up.  I tried sort of using
> jumper wires to make it go.  When I turn the 6800 on, the PC terminal I'm
> using reacts by producing single or strings of random characters.
> According to the SWTPC 'system checkout' stuff, if I get anything at all
> showing up on the terminal it usually means the 6800 is alive.  Based on
the
> notes written on the MP-S, I'm confident I have the correct baud rate and
bit
> (8) and parity (1) settings, but alas, doesn't seem to work.  When I ran
into
> this sort of thing with MSI 6800 it turned out the baud rate switch on the
> serial card wasn't correct, despite factory labelling.  That might be the
case
> here but not really sure how to sort it.
> 
> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Paul
Birkel
> Sent: Thursday, August 4, 2016 12:29 PM
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> <cctalk at classiccmp.org>
> Subject: RE: SWTPC 6800
>