Htimings and Vtimings Parameters
alexdeucher at gmail.com
Tue Jul 28 14:23:29 PDT 2009
On Tue, Jul 28, 2009 at 5:20 PM, Austin Howard<austinghoward at gmail.com> wrote:
> I need to know what the parameters to HTimings and VTimings mean, and
> how to determine the correct values for these. Using Modes "1280x1024"
> in my Screen section and Display subsection, causes an error saying that
> particular mode is not found. Upon reading the manual I learned I could
> manually specify that mode in the Monitor section in the Mode portion.
> Which as you know requires the HTimings and VTimings arguments. The
> parameters hsyncstart, hsyncend, htotal and the vertical equivalents are
> unclear to me.
Probably easiest to use a utility like cvt or gtf to generate a modeline:
$ cvt 1280 1024 60
# 1280x1024 59.89 Hz (CVT 1.31M4) hsync: 63.67 kHz; pclk: 109.00 MHz
Modeline "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027
1034 1063 -hsync +vsync
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