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Cheap monochrome monitors

Lovely monitors, too bad I'm in another half of Earth. The amber monitor only could display amber?
 
The amber one is composite. It would be amber only and text would be fuzzy on most of them. I didn't know a CGA card would run a 9-pin MDA monitor.


I'm very confused about MDA/CGA cards or monitors, never get it right... Once I've seen a green monitor that ran green on a CGA card, and the same green monitor ran white with a MDA card....
 
I'm very confused about MDA/CGA cards or monitors, never get it right... Once I've seen a green monitor that ran green on a CGA card, and the same green monitor ran white with a MDA card....

That's pretty weird. A true monochrome monitor only has one phosphor capable to emit a single color - white, green, or amber most usually. Nokia made some nice blue ones, I seem to recall. Probably the one you refer to was a CGA color monitor being driven by monchrome adapters or non-standard adapters?

Rick
 
I didn't know a CGA card would run a 9-pin MDA monitor.
For the sake of others down the track reading these threads to establish facts:
1. If the CGA card is the IBM one, then it will not drive an MDA-only monitor.
2. If the CGA card is non-IBM, and can only output CGA signals, then it will not drive an MDA-only monitor.
3. If the CGA card is non-IBM, and can be configured to output either CGA or MDA, then, configured for MDA, it will drive an MDA-only monitor.
 
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