Date: Thu, 04 Nov 1999 10:07:14 -0800 From: Amancio Hasty <hasty@rah.star-gate.com> To: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> Cc: current@freebsd.org Subject: Re: vga driver and signal Message-ID: <199911041807.KAA46989@rah.star-gate.com> In-Reply-To: Your message of "Thu, 04 Nov 1999 22:08:56 %2B0900." <199911041308.WAA16201@zodiac.mech.utsunomiya-u.ac.jp>
next in thread | previous in thread | raw e-mail | index | archive | help
> > AFAIK, not all video cards generate the vertical retrace interrupt. > Even worse, some BIOSes have a configuration option which instract the > BIOS NOT to assign an IRQ to the PCI video card. > > I fully agree that the vertical retrace interrupt will be of great > value, but I wonder if it is really worth the trouble, because it might > be available in only few cards and systems at the end of the day... > > Well, I may be wrong :-) It is okay if the card does not have a vertical retrace option and if it is disabled by the BIOS I hope that the PCI header info for the vga card states that the interrupt is disabled. Just generate a patch and pass it on to the Xfree86 group . They are trying all sort of things to sync up the mouse with the vga vertical retrace interrupt. -- Amancio Hasty hasty@rah.star-gate.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199911041807.KAA46989>