However, most monitors or televisions will cause some of this video to be lost beyond the edges of the display, so the entire image will not be seen. DON'T wire any of these pins to ground. A cable wired as follows may allow many different brands of VGA monitors to work on a Macintosh. Test the monitor on a Macintosh prior to purchase to see if it meets your expectations. Check with the vendor about Macintosh compatibility before buying, or better yet, actually try the monitor to see if it works and if the quality is acceptable.
Vendors have different image quality specifications.
There may be significant differences between Apple monitors and the wide range of VGA monitors. Most NTSC devices use an RCA-type phono connector and the following diagram uses that as a reference point. A cable wired as follows may allow many different brands of NTSC monitors to work on a Macintosh Centris or Quadra. We advise you to test the monitor on one of these machines prior to purchase to see if it meets your expectations. The shell of the card connector connects to the sleeve of the phono plug.