johntheboffin wrote:That is most impressive.
I had an Amiga many years ago, but the kids took it over. I still wonder what happened to it.
Well done for a clever and well implemented project!
a4000bear wrote:For those people into 405 line TV, I know that these Amigas have programmable line and frame rates. It could be possible to force them to output a 405 line video signal. Unfortunately I don't have a 405 line TV to try this out on.
johntheboffin wrote:You could program the timebases on the Commodore PET as well. This was done by using the POKE command to change the values in specific memory locations.
As the PET had a built in CRT and associated circuitry, this meant that you were directly modifying its line and frame scan rates. Not sure how much truth there is in it, but I once heard that if you set the line scan rate to a setting where the LOPT was particularly inefficient you could cause it to overheat and sometimes catch fire. There are times when I wish Windows had such a feature!
freya wrote:I spent many years playing with amigas, started with a 500 then the tragic CD32, then a 1200 with blizzard 12060, then a 4000.
Very happy times, even built the 1200 into a mini case years before they were widely converted. They were used for rendering some of the first CGI graphics shown on film and television I believe.
The A1200 is still in the wardrobe, I wonder if it still works.
freya wrote:All done and working, thanks for the Tip Marion.
Refugee wrote:I have had old hard disks that will not spin.
The fix I found is to remove the unit from the case and power it up. They usually spin without a data cable connected.
Hold it up in one hand and tap on the corners with your knuckle so that the case rotates sharply in alternate directions around the platter axle. This often frees them up.
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