From owner-freebsd-questions@FreeBSD.ORG Wed May 2 10:53:04 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8F1AF16A408 for ; Wed, 2 May 2007 10:53:04 +0000 (UTC) (envelope-from victor.engmark@gmail.com) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.238]) by mx1.freebsd.org (Postfix) with ESMTP id 39DC513C487 for ; Wed, 2 May 2007 10:53:04 +0000 (UTC) (envelope-from victor.engmark@gmail.com) Received: by nz-out-0506.google.com with SMTP id s1so90407nze for ; Wed, 02 May 2007 03:53:03 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=uTeD3kD6B7NMrRcN7sEeqvXPWDcyhXA9DVgRfXoU6UCRU5gfhH/gv+HpYiVdVl2UNOxin4DZLAXwyhpAR/FvNnPLedJN1Q4axBoZYe2ljNFLs5apHgY0DKHqF1g/vwQxDaGjHF+srZTP/E8/skCVGEclksC7XrbuW0B/iZJGH2s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=FT3AncrufsB/xLbGYBdLtTYw+1YZkyN6NUe1tvqNOIvj6HdzsoMepiHy4eKDB9VUJFOWDkXIheDc0nZTHRXzquaJC1HNbdbAnUOwTSfSfmgOXp/1+ggXFrAHyLV+gRLDE1zdPeO6208O1G/Z2V0WQ4jnehDFmm3UyYLUeKToXkw= Received: by 10.114.155.1 with SMTP id c1mr35893wae.1178103182518; Wed, 02 May 2007 03:53:02 -0700 (PDT) Received: by 10.114.79.14 with HTTP; Wed, 2 May 2007 03:53:02 -0700 (PDT) Message-ID: <7d4f41f50705020353v50ac32cdse96b293b1fa671f9@mail.gmail.com> Date: Wed, 2 May 2007 12:53:02 +0200 From: "Victor Engmark" To: "Ted Mittelstaedt" In-Reply-To: MIME-Version: 1.0 References: <7d4f41f50705020205q24d452efpde5e4e1867d99864@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: FreeBSD Questions Subject: Re: How to find HorizSync / VertRefresh rates? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 May 2007 10:53:04 -0000 On 5/2/07, Ted Mittelstaedt wrote: > > > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Victor Engmark > > On 5/2/07, Ted Mittelstaedt wrote: > > > > The computer in the LCD panel takes the video input at a range of > refresh > > > rates, and converts it to a bitmapped image that is fed to the display > > > crystals. You can use whatever horizontal and vertical refresh rates > > > you want, as long as they are in the table that the LCD panel's > computer > > > can decode, the resulting output is the same. > > > > Even though LCD displays don't flicker, it's useful to set the refresh > as > > high as the panel is able to display, to get smooth transitions. > > Try different rates, I think you will find that once you get above 70 Hz > you won't be able to see any difference. But then my card / screen may be fried. And the human eye cannot see distinct pictures at refresh rates beyond about > 30-40 frames per second. You may see flicker, but the human eye cannot > even > distinguish that, much beyond 65-70Hz. http://www.100fps.com/how_many_frames_can_humans_see.htm - Interesting reading in that respect. Screens still have a long way to go. The rest of the mail looks like trolling, so I'll just leave those parts alone. I only need one of the following three: - Reference documentation where the capabilities of my screen is explained. - A working method for finding this information on my own. - A good explanation for why I should ignore the X.org warnings. -- Victor Engmark Quidquid latine dictum sit, altum videtur - What is said in Latin, sounds profound