Amiga 500 Video Cable simple basic questions

a600fan · 11 November 2018, 18:50

Hi everyone,

I would really like to build a video cable to connect my Amiga 500 to a VGA source.

I saw this video, where the guy makes such a cable using 6 pins (R, G, B, Ground, H sync and V sync):
[ Show youtube player ]

I have 2 questions:

1. How can I find which wire is which when I cut the VGA cable?
2. Is it possible to burn the monitor if the wiring is incorrect?

Thanks

Daedalus · 11 November 2018, 22:41

If you're planning on building cables, you should really have a multimeter. With one of those, you can check each wire in the cable to see which pin it connects to.

You're unlikely to damage the monitor if you mix the standard signals up, but there are some pins at the Amiga end that carry higher voltages and you should be very careful to make sure you don't mistakenly connect any of them.

desiv · 12 November 2018, 01:18

Not all VGA monitors support the 15khz scan rate of the Amiga for most things.
Most don't in fact. So you'll need to see if your VGA monitor does.
You can use a VGAOnly screenmode if your Amiga supports it, but most software won't use it.

a600fan · 13 November 2018, 09:50

Quote:

Originally Posted by Daedalus

If you're planning on building cables, you should really have a multimeter. With one of those, you can check each wire in the cable to see which pin it connects to.

You're unlikely to damage the monitor if you mix the standard signals up, but there are some pins at the Amiga end that carry higher voltages and you should be very careful to make sure you don't mistakenly connect any of them.

Ok, thank you. Will give it a try

11 November 2018, 18:50	#1
a600fan Registered User Join Date: Jan 2018 Location: Berlin Posts: 49	Amiga 500 Video Cable simple basic questions Hi everyone, I would really like to build a video cable to connect my Amiga 500 to a VGA source. I saw this video, where the guy makes such a cable using 6 pins (R, G, B, Ground, H sync and V sync): [ Show youtube player ] I have 2 questions: 1. How can I find which wire is which when I cut the VGA cable? 2. Is it possible to burn the monitor if the wiring is incorrect? Thanks

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11 November 2018, 22:41	#2
Daedalus Registered User Join Date: Jun 2009 Location: Dublin, then Glasgow Posts: 6,334	If you're planning on building cables, you should really have a multimeter. With one of those, you can check each wire in the cable to see which pin it connects to. You're unlikely to damage the monitor if you mix the standard signals up, but there are some pins at the Amiga end that carry higher voltages and you should be very careful to make sure you don't mistakenly connect any of them.

12 November 2018, 01:18	#3
desiv Registered User Join Date: Oct 2009 Location: Salem, OR Posts: 1,767	Not all VGA monitors support the 15khz scan rate of the Amiga for most things. Most don't in fact. So you'll need to see if your VGA monitor does. You can use a VGAOnly screenmode if your Amiga supports it, but most software won't use it.

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