I know this may be an old topic for some of you, but I've been looking for hours at pinouts etc, and I just can't piece together how to do vga on an N64. If anyone has any help whatsoever anything would be very appreciated! thanks!
You cannot get VGA from an N64. N64 only output 15KHz RGB and you need at least 31KHz RGB for VGA.
The best you can do is buy one of those VGA box like xRGB witch upscan/convert the signal so you can connect it to your Monitor.