Translate some untranslated parts about widescreen flatpanel configuration.
Obtained from: The FreeBSD Traditional Chinese Project SVN Approved by: delphij (mentor)
This commit is contained in:
Chin-San Huang
parent
914b35f784
commit
3749060071
Notes:
svn2git
2020-12-08 03:00:23 +00:00
svn path=/head/; revision=28816
1 changed files with 74 additions and 2 deletions
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@ -653,10 +653,10 @@ EndSection</programlisting>
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</sect2>
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<sect2>
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<title>Advanced Configuration Topics</title>
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<title>進階設定專欄</title>
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<sect3>
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<title>Configuration with &intel; i810 Graphics Chipsets</title>
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<title>設定 &intel; i810 繪圖晶片組</title>
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<indexterm><primary>Intel i810 graphic chipset</primary></indexterm>
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@ -708,6 +708,78 @@ EndSection</programlisting>
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X11 configuration file:</para>
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<programlisting>Option "NoDDC"</programlisting>
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</sect3>
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<sect3>
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<title>為寬螢幕打造更舒適環境</title>
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<indexterm><primary>widescreen flatpanel configuration</primary></indexterm>
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<para>本節假設各位已經有些微進階設定的功力。
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如果試著使用上述設定工具會有問題的話，請多利用相關 log 檔(會記錄相關訊息)以便找出解法。
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找尋解法過程中，可能會需要用到文字編輯器作為輔助。</para>
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<para>目前的寬螢幕 (WSXGA, WSXGA+, WUXGA, WXGA, WXGA+ 等)
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都有支援 16:10 及 10:9 比例，以及一些可能有問題的比例。
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以下是一些常見的 16:10 螢幕解析度：</para>
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<itemizedlist>
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<listitem><para>2560x1600</para></listitem>
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<listitem><para>1920x1200</para></listitem>
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<listitem><para>1680x1050</para></listitem>
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<listitem><para>1440x900</para></listitem>
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<listitem><para>1280x800</para></listitem>
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</itemizedlist>
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<para>某方面而言，要增加這些解析度設定也是相當容易的，
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只要在 <literal>Section "Screen"</literal> 內的
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<literal>Mode</literal> 加上去就好，比如：</para>
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<programlisting>Section "Screen"
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Identifier "Screen0"
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Device "Card0"
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Monitor "Monitor0"
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DefaultDepth 24
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SubSection "Display"
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Viewport 0 0
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Depth 24
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Modes "1680x1050"
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EndSubSection
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EndSection</programlisting>
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<para><application>&xorg;</application> 可以透過 I2C/DDC
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來得知該寬螢幕所支援的解析度等相關資訊，
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因此就能正確偵測出該螢幕所能支援的頻率、解析度。</para>
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<para>若驅動程式並未包括 <literal>ModeLine</literal> 訊息的話，
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那麼就要為 <application>&xorg;</application> 做些設定才行。
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我們可以透過 <filename>/var/log/Xorg.0.log</filename> 檔來取得
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<literal>ModeLine</literal> 相關設定資料，即可讓螢幕正常顯示。
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應該可以看到類似下面的訊息：</para>
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<programlisting>(II) MGA(0): Supported additional Video Mode:
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(II) MGA(0): clock: 146.2 MHz Image Size: 433 x 271 mm
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(II) MGA(0): h_active: 1680 h_sync: 1784 h_sync_end 1960 h_blank_end 2240 h_border: 0
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(II) MGA(0): v_active: 1050 v_sync: 1053 v_sync_end 1059 v_blanking: 1089 v_border: 0
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(II) MGA(0): Ranges: V min: 48 V max: 85 Hz, H min: 30 H max: 94 kHz, PixClock max 170 MHz</programlisting>
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<para>這些訊息被稱為 EDID 訊息。可以藉由這些資料，搭配下列的正確順序來產生
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<literal>ModeLine</literal> 設定：</para>
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<programlisting> ModeLine <name> <clock> <4 horiz. timings> <4 vert. timings></programlisting>
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<para>所以這個案例 <literal>Section "Monitor"</literal> 的 <literal>ModeLine</literal>
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就會是像下面這樣：</para>
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<programlisting>Section "Monitor"
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Identifier "Monitor1"
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VendorName "Bigname"
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ModelName "BestModel"
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ModeLine "1680x1050" 146.2 1680 1784 1960 2240 1050 1053 1059 1089
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Option "DPMS"
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EndSection</programlisting>
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<para>這樣子就簡單完成了，X 視窗就可以打造為新的寬螢幕環境囉。</para>
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</sect3>
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</sect2>
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</sect1>
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