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Author Topic: A1200 Bvision video output  (Read 14 times)

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Offline MosherTopic starter

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A1200 Bvision video output
« on: March 02, 2026, 10:22:41 PM »
Hi

To make a long story short, i used to spend lots of time on Amiga with my brother in the late 80's and the whole 90's.
After that the Amiga has just been sitting there, but finally got around to fire it up again.

I have an A1200 in a Towerhawk case, so using an ATX power supply and PC keyboard.
As my old HDD and floppy has retired, i have installed a GOTEK and an AmigaKit CF drive.

Installed 3.1 kickroms and now running AmigaOS 3.9.
I also have a Phase 5 68040 PPC card fitted with a Bvision, with a VGA output.

After much fiddling, as i have forgot much on the Amiga, much has come back to me but this still puzzles me.

I can output the workbench to my VGA monitor, but not most games and demos. This has to do with the old RTG on 15 khz, which is not compatible with the newer monitor and Bvision, i understand.
Im pretty sure we had everything outputted on the VGA monitor back in the day, but not sure how.

How can i get around this? Is a scandoubler the only way, or can i force the Amiga to output everything to the Bvision with software somehow?
Hope this makes sense.

Mosher