SVGA with DE9

From: Mail List <mail.list_at_analog-and-digital-solutions.com>
Date: Mon Sep 8 19:04:00 2003

Hello TeoZ,


> I think the commodore 128 had a digital output that went to a 9 pin
> connection and probably would make a mess connected to a analog 9 pin cga
> input.

I think monochrome, and CGA were TTL on 9-pin connectors

I know EGA was TTL on 9-pin.

VGA ( analog ) was output on 9-pin in some instances, but either later
on, or more commonly, on HD15


Best Regards




At 12:35 PM 9/8/03 -0400, you wrote:
>I think the commodore 128 had a digital output that went to a 9 pin
>connection and probably would make a mess connected to a analog 9 pin cga
>input.
>
>Most pc cables are idiot proof, its when your connecting a non PC (or older
>almost PC compatible) to a PC monitor that you have to be carefull. I hate
>companies like tandy that switched wires on their "standard" cables so you
>HAD to buy their version.
>
>Even if they do mate correctly you have to worry about 15khz outputs (amiga,
>atari st, c64 etc) that dont sync on modern 30+Khz monitors without some
>kind of help in between.
>
>
>----- Original Message -----
>From: "John Allain" <allain_at_panix.com>
>To: <cctalk_at_classiccmp.org>
>Sent: Monday, September 08, 2003 12:11 PM
>Subject: Re: SVGA with DE9
>
>
> > Just as a quick warning, I got magic zaps (bad electrical sounds in the
> > monitor) once when I used a random HD15/DE9 cable. Don't screw
> > things down on the first try. There are a *few* standards for DE9-VGA
> > apparently. It would be best to know the pinout of your monitor first.
> > I now will not "wing it" unless I'm willing to lose the monitor.
> >
> > John A.
Received on Mon Sep 08 2003 - 19:04:00 BST