[rescue] SGI Crimson 3BNC

Ethan O'Toole ethan at 757tech.net
Thu May 27 19:43:23 CDT 2004

> Alright, I got a few BNC connectors and I have a VGA HD15 connector. I
> got wires. I got a soldering iron and solder. How do I connect this to
> get a picture on my SGI monitor (SOG, dual input: 13W3/VGA))?
> I've had leads on 3BNC to 13W3 including the original owner of the
> Crimson, but since he's moved, I haven't heard back from him. So I'd
> appreciate any pointer to schematics on this.
> Francois
> PS. I got hard disks and CDROM in the crimson, I have a dedicated 20 amp
> breaker with 20 amp socket I installed (overkill, but oh so pretty), I'm
> getting antsy to get this up and running!

Awwyea! I remember Crimsons well.

Downside? That 3 BNC is Sync on Green. I *think* some HD-DB-15 compatible
monitors will accept sync on green, but don't hold me to it.

Sam Goldwasser/Phils FAQ site might have a circuit to separate the sync on
green into composite sync which you could feed into the horiz / vert sync
on the HDDB15 connector going to your multisync PC monitor.

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