XFree86 Video Timings HOWTO
Eric S. Raymond <esr@thyrsus.com>
v3.0, 8 August 1997
How to compose a mode line for your card/monitor combination under XFree86.
The XFree86 distribution now includes good facilities for configuring most
standard combinations; this document is mainly useful if you are tuning a
custom mode line for a high-performance monitor or very unusual hardware.
It may also help you in using xvidtune to tweak a standard mode that is
not quite right for your monitor.