From owner-svn-doc-head@FreeBSD.ORG Thu Jul 5 12:41:21 2012 Return-Path: Delivered-To: svn-doc-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 185EC106566B; Thu, 5 Jul 2012 12:41:21 +0000 (UTC) (envelope-from wblock@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id ECF228FC19; Thu, 5 Jul 2012 12:41:20 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q65CfK2k073915; Thu, 5 Jul 2012 12:41:20 GMT (envelope-from wblock@svn.freebsd.org) Received: (from wblock@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q65CfKDc073913; Thu, 5 Jul 2012 12:41:20 GMT (envelope-from wblock@svn.freebsd.org) Message-Id: <201207051241.q65CfKDc073913@svn.freebsd.org> From: Warren Block Date: Thu, 5 Jul 2012 12:41:20 +0000 (UTC) To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org X-SVN-Group: doc-head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r39176 - head/en_US.ISO8859-1/books/handbook/x11 X-BeenThere: svn-doc-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the doc tree for head List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jul 2012 12:41:21 -0000 Author: wblock Date: Thu Jul 5 12:41:20 2012 New Revision: 39176 URL: http://svn.freebsd.org/changeset/doc/39176 Log: Revise HorizSync and VertRefresh suggestions, emphasizing autodetection. Reviewed by: doc Modified: head/en_US.ISO8859-1/books/handbook/x11/chapter.sgml Modified: head/en_US.ISO8859-1/books/handbook/x11/chapter.sgml ============================================================================== --- head/en_US.ISO8859-1/books/handbook/x11/chapter.sgml Thu Jul 5 10:20:58 2012 (r39175) +++ head/en_US.ISO8859-1/books/handbook/x11/chapter.sgml Thu Jul 5 12:41:20 2012 (r39176) @@ -364,36 +364,47 @@ Before Starting - Before configuration of X11 - the following information about the target system is needed: + In most cases, X11 is self-configuring. Those with older + or unusual equipment may find it helpful to gather some + hardware information before beginning configuration. - Monitor specifications - Video Adapter chipset - Video Adapter memory + Monitor sync frequencies + Video card chipset + Video card memory - horizontal scan rate - vertical scan rate + + horizontal sync frequency + + + horizontal scan rate + horizontal sync frequency + + refresh rate + + vertical sync frequency + refresh rate + + + vertical scan rate + refresh rate + + + Screen resolution and refresh rate are determined by the + monitor's horizontal and vertical sync frequencies. Almost + all monitors support electronic autodetection of these values. + A few monitors do not provide these values, and the + specifications must be determined from the printed manual + or manufacturer web site. + + The video card chipset is also autodetected, and used to + select the proper video driver. It is beneficial for the user + to be aware of which chipset is installed for when + autodetection does not provide the desired result. - The specifications for the monitor are used by - X11 to determine the resolution and - refresh rate to run at. These specifications can usually be - obtained from the documentation that came with the monitor or from - the manufacturer's website. There are two ranges of numbers that - are needed, the horizontal scan rate and the vertical synchronization - rate. - - The video adapter's chipset defines what driver module - X11 uses to talk to the graphics - hardware. With most chipsets, this can be automatically - determined, but it is still useful to know in case the automatic - detection does not work correctly. - - Video memory on the graphic adapter determines the - resolution and color depth which the system can run at. This is - important to know so the user knows the limitations of the - system. + Video card memory determines the maximum resolution and + color depth which can be displayed. @@ -584,12 +595,12 @@ dbus_enable="YES" X11 tuning - Next, tune the xorg.conf.new - configuration file to taste. Open the file in a text editor such - as &man.emacs.1; or &man.ee.1;. First, add the - frequencies for the target system's monitor. These are usually - expressed as a horizontal and vertical synchronization rate. These - values are added to the xorg.conf.new file + The xorg.conf.new + configuration file may now be tuned to taste. Open the file in a text editor such + as &man.emacs.1; or &man.ee.1;. If the monitor is an older + or unusual model that does not support autodetection of + sync frequencies, those settings can + be added to xorg.conf.new under the "Monitor" section: Section "Monitor" @@ -600,14 +611,11 @@ dbus_enable="YES" VertRefresh 48-120 EndSection - The HorizSync and - VertRefresh keywords may be missing in the - configuration file. If they are, they need to be added, with - the correct horizontal synchronization rate placed after the - HorizSync keyword and the vertical - synchronization rate after the VertRefresh - keyword. In the example above the target monitor's rates were - entered. + Most monitors support sync frequency autodetection, making + manual entry of these values unnecessary. For the few + monitors that do not support autodetection, avoid potential + damage by only entering values provided by the + manufacturer. X allows DPMS (Energy Star) features to be used with capable monitors. The &man.xset.1; program controls the time-outs and can force @@ -684,7 +692,7 @@ EndSection Advanced Configuration Topics - Configuration with &intel; i810 Graphics Chipsets + Configuration with &intel; <literal>i810</literal> Graphics Chipsets Intel i810 graphic chipset