From: Ullrich von Bassewitz (uz_at_musoftware.de)
Date: 2002-07-11 22:26:04
A followup to myself because I think I do now understand something about this
5 pin video port...
On Sun, Jul 07, 2002 at 11:49:43PM +0200, Ullrich von Bassewitz wrote:
> On Sun, Jul 07, 2002 at 09:31:28AM -0700, Cameron Kaiser wrote:
> > That's because I'm not very clear about it either :-) We sat down with your
> > picture of the 600 series board and Steve Gray's picture of his B500 and
> > compared them and the boards are nearly identical, as you say. The only thing
> > weird on my unit is that 5-pin video port. That's the only thing that seems
> > to distinguish this as a 500 at all.
>
> Well then here's the bad news: All of my 600s have a 5-pin video port :-)
The SWoC pages list a 7 pin video connector for the CBM 600/700. However, this
is the *internal* video connector (0.1 post header) on the main board, not the
external one! I'm not even sure if the 600s have this internal video connector
or if it is specific to the 700 line (its pinout is listed in the service
manual, but I have currently no 600 open for reference).
The 600 has a DIN 5 pin *external* video connector with the following pinout:
1 - video
2 - GND
3 - VSYNC
4 - composite video
5 - HSYNC
Hope this clears things up (adding an explanation to the SWoC pages would also
be helpful).
Regards
Uz
--
Ullrich von Bassewitz uz@musoftware.de
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