23 Aug
2018
23 Aug
'18
8:24 p.m.
On Thu, 23 Aug 2018, Ali via cctalk wrote:
Which revision MDA is this? I have an original NEC
Multisync and I have
a tone of MDA cards including one in one the first 5000 IBM 5150s
produced. I would love to get color out of it just for the sake of doing
it. Do you still have your demo programs?
Do any of yours have the 6 pin Berg connector near the top of the mounting
plate? Some did. On CGA, that connector is for light pen.
Supposedly some early MDAs had pins 3,4,5 connected (not connected in
later ones). That MIGHT be the same ones as have the light-pen?
connector.
https://www.seasip.info/VintagePC/mda.html#cmda
http://www.minuszerodegrees.net/5150/early/5150_early.htm