On Sunday 07 March 2004 17:35, Méghazi Fabien wrote: > On Sunday 07 March 2004 16:03, Pieter Hulshoff wrote: > > Try adding doublescan at the end of that modeline, and doubling the > > clockpitch: > > Modeline "336x240@60" 12.88 336 368 392 424 240 245 248 253 doublescan > > That should do the trick, but be careful to avoid damaging your monitor. > > The modeline above is similar to what is used in the xmame modeline > > examples, just a slightly lower clockpitch (12.88 vs 18.00). > > well if I doublescan, i'll have a +- 31Khz horizonal frequency, my monitor > is an arcade monitor and does use an horizontal frequency of +- 15Khz > > Here are the specs: > > HORIZONTAL VERTICAL > Scan Frequency: 15.72 KHz Scan Frequency: 60.0 Hz > Scan Period: 63.6 µSec Scan Period: 16.7 mSec > Active Video: 46.9 µSec Active Video: 15.3 mSec > Video Delay: 11.9 µSec Video Delay: 1.2 mSec > Sync Pulse: 4.7 µSec Sync Pulse: 0.2 mSec > Scan Line: 456 Pixels Screen: 262 Lines > Resolution: 336 Pixels Resolution: 240 Lines > Clock Freq: 7.16 MHz > > So, the doublescan modeline will work on a standrad vga monitor but not on > my arcade monitor. I'll repost the question on the xmame mailinglist. If I get some useful answers I'll post them back here. Regards, Pieter Hulshoff _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86