SM124 monitor wiring

[RetroStuff]

Hi can anyone help with the minimum pins i need to get mono image on the SM124

 

I am making an extension cable, will

 

Monochrome Detect, Mono, H Sync, Vsync and just Ground work?

 

Thanks

[StEeLz]

Hey,

 

Not sure if it is OK to link an external resource on this forum, mods please delete if not.

RetroStuff, here is the best resource you can get : http://info-coach.fr/atari/hardware/interfaces.php#atari_video_connector

Just skip the Audio pin if you don't need it.

 

For Monochrome, I would just keep 4 wires :

- HSync (9)

- VSync (12)

- Ground (13)

- Monochrome signal (11)

 

/!\ Don't forget to short Ground(13) and MonoDetect(4) on the Atari side to save a wire.

 

Great schematic with pinouts visible here : http://atariage.com/forums/uploads/monthly_10_2010/post-6701-128665872766.gif

This one is for VGA output but you get the idea.

Cheers, B.