Specifications

Hot Issues Jittery or Blurry Video with Power Macintosh 5500/6500 - 4
Power Macintosh 6500 computers should not be set to
resolutions higher than 1152x870.
Check the control strip to make sure the resolution is set to
1152x870 or lower. For a chart of supported monitor
resolutions for the Power Macintosh 6500, see the
Specifications chapter in the Performa/Power Macintosh
6400 and 6500 Series manual on Service Source.
Although these symptoms have never been reported for a
Power Macintosh 5500, the 225 MHz logic board used in the
Power Macintosh 6500 is also used in the 5500. Refer to
the Troubleshooting chapter in Service Source for both
Power Macintosh manuals.