N64:Video Output Notes

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By default, the N64 outputs RF via a RF modulator, and composite and S-Video through the AV output port. There are various mods to add RGB or HDMI output.


Only a few revisions of the N64 have CSYNC already run to the multi-out and compatibility isn't consistent.  If CSYNC isn't required, you can use a cable that gets sync from luma (pin 7) or composite video (pin 9) on the multi-out connector (luma recommended). If CSYNC is required, you can do an RGB mod that includes a proper sync signal as part of the mod, such as Voultar's N64 RGB board. Performing a mod like this one will allow you to use an NTSC SNES RGB cable that uses CSYNC.


  • Some N64 expansion pack games output in 480i, instead of 240p. This might cause issues with certain scalers that drop out when switching resolutions. Also, scanlines will look different in 480i and you'll see some "interlaced flicker".
  • If you're using a CRT, RGB-modding might not be worth the effort, as both composite video and S-Video do not look much worse than component or RGB.
  • If you'd prefer to play your N64 on flat-screen TV's, an RGB mod will allow for a sharper image with better colors, but it's not necessary. Using a RetroTINK 2x or RAD2x linedoubler with a smoothing filter can give you a great 480p image and products like the RetroTINK 5x will provide an excellent 1080p (or higher) output just by using a set of S-Video cables.