5150/5151 Video Card??

[Fred Cisin]

>> That one has a lightpen connector, which his dorsn't. Not usually
On Sun, 14 Aug 2016, Chuck Guzis wrote:
> Take another look--the one in the photo has the header in the same place
> as that in the cited drawing.

You're right.
I only sae the resistor pack.

That does look like the one.


why the unnecessary switches?
(CGA does mode switching in software, and enables simultaneous composite 
and RGB, hence the IBM vetsion dorsn't need switches)