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diff --git a/docs/misc/index.html b/docs/misc/index.html index f4e7836..a4e0aba 100644 --- a/docs/misc/index.html +++ b/docs/misc/index.html @@ -13,74 +13,82 @@ <body> - <h1 id="pagetop">Miscellaneous</h1> - <p> - Or <a href="../index.html">Back to main index</a>. - </p> - <ul> - <li><a href="#high_pitch_trisquel">High Pitched Whining Noise on Idle (how to remove in Trisquel)</a> - <ul> - <li><a href="#howtouse_powertop">Powertop - how to use</a></li> - <li><a href="#powertop_autostart">Powertop - Start automatically at boot time</a></li> - </ul> - </li> - <li><a href="#high_pitch_parabola">High Pitched Whining Noise on Idle (how to remove in Parabola)</a></li> - <li><a href="#serial">X60/T60: Serial port - how to use (for dock owners)</a></li> - <li><a href="patch.html">Using diff and patch</a></li> - <li><a href="#get_edid_panelname">Get EDID: Find out the name (model) of your LCD panel</a></li> - </ul> - -<hr/> - - <h1 id="high_pitch_trisquel">High Pitched Whining Noise on Idle (how to remove in Trisquel)</h1> + <div class="section"> + <h1 id="pagetop">Miscellaneous</h1> + <p> + Or <a href="../index.html">Back to main index</a>. + </p> + <ul> + <li><a href="#high_pitch_trisquel">High Pitched Whining Noise on Idle (how to remove in Trisquel)</a> + <ul> + <li><a href="#howtouse_powertop">Powertop - how to use</a></li> + <li><a href="#powertop_autostart">Powertop - Start automatically at boot time</a></li> + </ul> + </li> + <li><a href="#high_pitch_parabola">High Pitched Whining Noise on Idle (how to remove in Parabola)</a></li> + <li><a href="#serial">X60/T60: Serial port - how to use (for dock owners)</a></li> + <li><a href="patch.html">Using diff and patch</a></li> + <li><a href="#get_edid_panelname">Get EDID: Find out the name (model) of your LCD panel</a></li> + </ul> + </div> - <p> - Tested in Trisquel 6 and 7. - </p> + <div class="section"> - <h2 id="howtouse_powertop">Powertop - how to use</h2> + <h1 id="high_pitch_trisquel">High Pitched Whining Noise on Idle (how to remove in Trisquel)</h1> - <p>Now you can use this command to kill that noise:<br/> - <b>$ sudo powertop --auto-tune</b></p> + <p> + Tested in Trisquel 6 and 7. + </p> - <p>You can also run it without parameters and then go into 'Tunables' and set everything to 'Good'</p> + <div class="subsection"> + <h2 id="howtouse_powertop">Powertop - how to use</h2> - <p>Note: On Trisquel 6, you will need to use a later powertop version from git. The one in the repositories is too old. See below:</p> + <p>Now you can use this command to kill that noise:<br/> + <b>$ sudo powertop --auto-tune</b></p> - <h2 id="powertop_autostart">Powertop - Start automatically at boot time (Trisquel 6)</h2> + <p>You can also run it without parameters and then go into 'Tunables' and set everything to 'Good'</p> - <p>Included with libreboot is a script called 'powertop.trisquel6'. Run this and it will setup powertop to run with --auto-tune - at boot time. Load the file in your text editor to see how it does that.</p> + <p>Note: On Trisquel 6, you will need to use a later powertop version from git. The one in the repositories is too old. See below:</p> + </div> - <p><b>$ ./powertop.trisquel6</b></p> + <div class="subsection"> + <h2 id="powertop_autostart">Powertop - Start automatically at boot time (Trisquel 6)</h2> - <p>For Trisquel 7 users:</p> - <p><b>$ ./powertop.trisquel7</b></p> + <p>Included with libreboot is a script called 'powertop.trisquel6'. Run this and it will setup powertop to run with --auto-tune + at boot time. Load the file in your text editor to see how it does that.</p> - <p><a href="#pagetop">Back to top of page</a></p> + <p><b>$ ./powertop.trisquel6</b></p> -<hr/> + <p>For Trisquel 7 users:</p> + <p><b>$ ./powertop.trisquel7</b></p> + </div> - <h1 id="high_pitch_parabola">High Pitched Whining Noise on Idle (how to remove in Parabola)</h1> + <p><a href="#pagetop">Back to top of page</a></p> + + </div> - <p>The following removes most of the noise. It reduces what is a high frequency whine - (that not everyone can hear) to a slight buzz (which most people can't hear or doesn't bother most people).</p> + <div class="section"> - <p>This is not perfect! The full solution is still not discovered but this is a step towards that. - Also, in some instances you will need to run 'sudo powertop --auto-tune' again. - This needs to be implemented properly in coreboot itself!</p> + <h1 id="high_pitch_parabola">High Pitched Whining Noise on Idle (how to remove in Parabola)</h1> - <p>On the X60 with coreboot or libreboot, there is a high pitched sound when idle. - So far we have use processor.max_cstate=2 or idle=halt in GRUB. - These consume power. Stop using them! </p> + <p>The following removes most of the noise. It reduces what is a high frequency whine + (that not everyone can hear) to a slight buzz (which most people can't hear or doesn't bother most people).</p> - <p>Be root<br/> - <b>$ su -</b></p> + <p>This is not perfect! The full solution is still not discovered but this is a step towards that. + Also, in some instances you will need to run 'sudo powertop --auto-tune' again. + This needs to be implemented properly in coreboot itself!</p> - <p>Installed powertop:<br/> - <b># pacman -S powertop</b></p> + <p>On the X60 with coreboot or libreboot, there is a high pitched sound when idle. + So far we have use processor.max_cstate=2 or idle=halt in GRUB. + These consume power. Stop using them! </p> - <p>and added the following to /etc/systemd/system/powertop.service :</p> + <p>Be root<br/> + <b>$ su -</b></p> + + <p>Installed powertop:<br/> + <b># pacman -S powertop</b></p> + + <p>and added the following to /etc/systemd/system/powertop.service :</p> <pre><i> [Unit] @@ -98,85 +106,93 @@ WantedBy=multi-user.target </i></pre> - <p>Finally, as root do that:<br/> - <b># systemctl enable powertop</b><br/> - <b># systemctl start powertop</b></p> - - <p>The next time you boot the machine, the buzz will be gone.</p> - - <p><a href="#pagetop">Back to top of page</a></p> + <p>Finally, as root do that:<br/> + <b># systemctl enable powertop</b><br/> + <b># systemctl start powertop</b></p> + + <p>The next time you boot the machine, the buzz will be gone.</p> + + <p><a href="#pagetop">Back to top of page</a></p> + + </div> + + <div class="section"> + + <h1 id="serial">X60/T60: Serial port - how to use (for dock owners)</h1> + <p> + For the Thinkpad X60 you can use the <b>"UltraBase X6"</b> dock (for the X60 Tablet it is called + X6 Tablet UltraBase). For the ThinkPad T60, + you can use the <b>"Advanced Mini Dock"</b>. + </p> + <p> + If you are using one of the ROM images with 'serial' in the name, then you have serial port enabled in libreboot + and you have memtest86+ included inside the ROM. Connect your null modem cable to the serial port on the dock + and connect the other end to a 2nd machine using your USB Serial adapter. + </p> + <p> + On the 2nd machine, you can try this (using GNU Screen):<br/> + <b>$ sudo screen /dev/ttyUSB0 115200</b> + </p> + <p> + How to quit GNU Screen: Ctrl+A then release and press K, and then press Y. + </p> + <p>There are also others like Minicom but I like GNU Screen</p> + <p> + By doing this before booting the X60/T60, you will see console output from libreboot. You will also see + GRUB displaying on the serial output, and you will be able to see MemTest86+ on the serial output aswell. + You can also configure your distro so that a terminal (TTY) is accessible from the serial console. + </p> + <p> + The following guide is for Ubuntu, and can be followed for Trisquel 6.0 which is based on Ubuntu 12.04 + (should also work in Trisquel 7, based on Ubuntu 14.04) to enable a serial console using GeTTY:<br/> + <a href="https://help.ubuntu.com/community/SerialConsoleHowto">https://help.ubuntu.com/community/SerialConsoleHowto</a> + </p> + <p> + Note: part of the tutorial above requires changing your grub.cfg. Just change the <b>linux</b> line to add instructions for enabling getty. + See <a href="../gnulinux/grub_cbfs.html">../gnulinux/grub_cbfs.html</a>. + </p> + <p><a href="#pagetop">Back to top of page</a> + + </div> + + <div class="section"> + + <h1 id="get_edid_panelname">Get EDID: Find out the name (model) of your LCD panel</h1> + <p> + Get the panel name with <b>sudo get-edid | strings</b><br/> + Or look in <b>/sys/class/drm/card0-LVDS-1/edid</b> + </p> + <p> + Alternatively you can use i2cdump. In Trisquel, this is in the package i2c-tools.<br/> + $ <b>sudo modprobe i2c-dev</b><br/> + $ <b>sudo i2cdump -y 5 0x50</b><br/> + $ <b>sudo rmmod i2c-dev</b><br/> + You'll see the panel name in the output (from the EDID dump). + </p> + <p> + If neither of these options work (or they are unavailable), physically removing the LCD panel is an option. + Usually, there will be information printed on the back. + </p> + + <p><a href="#pagetop">Back to top of page.</a></p> + + </div> + + <div class="section"> -<hr/> - - <h1 id="serial">X60/T60: Serial port - how to use (for dock owners)</h1> - <p> - For the Thinkpad X60 you can use the <b>"UltraBase X6"</b> dock (for the X60 Tablet it is called - X6 Tablet UltraBase). For the ThinkPad T60, - you can use the <b>"Advanced Mini Dock"</b>. - </p> - <p> - If you are using one of the ROM images with 'serial' in the name, then you have serial port enabled in libreboot - and you have memtest86+ included inside the ROM. Connect your null modem cable to the serial port on the dock - and connect the other end to a 2nd machine using your USB Serial adapter. - </p> - <p> - On the 2nd machine, you can try this (using GNU Screen):<br/> - <b>$ sudo screen /dev/ttyUSB0 115200</b> - </p> <p> - How to quit GNU Screen: Ctrl+A then release and press K, and then press Y. + Copyright © 2014, 2015 Francis Rowe <info@gluglug.org.uk><br/> + This document is released under the Creative Commons Attribution-ShareAlike 4.0 International Public License and all future versions. + A copy of the license can be found at <a href="../license.txt">../license.txt</a>. </p> - <p>There are also others like Minicom but I like GNU Screen</p> - <p> - By doing this before booting the X60/T60, you will see console output from libreboot. You will also see - GRUB displaying on the serial output, and you will be able to see MemTest86+ on the serial output aswell. - You can also configure your distro so that a terminal (TTY) is accessible from the serial console. - </p> - <p> - The following guide is for Ubuntu, and can be followed for Trisquel 6.0 which is based on Ubuntu 12.04 - (should also work in Trisquel 7, based on Ubuntu 14.04) to enable a serial console using GeTTY:<br/> - <a href="https://help.ubuntu.com/community/SerialConsoleHowto">https://help.ubuntu.com/community/SerialConsoleHowto</a> - </p> - <p> - Note: part of the tutorial above requires changing your grub.cfg. Just change the <b>linux</b> line to add instructions for enabling getty. - See <a href="../gnulinux/grub_cbfs.html">../gnulinux/grub_cbfs.html</a>. - </p> - <p><a href="#pagetop">Back to top of page</a> -<hr/> - - <h1 id="get_edid_panelname">Get EDID: Find out the name (model) of your LCD panel</h1> <p> - Get the panel name with <b>sudo get-edid | strings</b><br/> - Or look in <b>/sys/class/drm/card0-LVDS-1/edid</b> + This document is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See <a href="../license.txt">../license.txt</a> for more information. </p> - <p> - Alternatively you can use i2cdump. In Trisquel, this is in the package i2c-tools.<br/> - $ <b>sudo modprobe i2c-dev</b><br/> - $ <b>sudo i2cdump -y 5 0x50</b><br/> - $ <b>sudo rmmod i2c-dev</b><br/> - You'll see the panel name in the output (from the EDID dump). - </p> - <p> - If neither of these options work (or they are unavailable), physically removing the LCD panel is an option. - Usually, there will be information printed on the back. - </p> - - <p><a href="#pagetop">Back to top of page.</a></p> - -<hr/> - - <p> - Copyright © 2014 Francis Rowe <info@gluglug.org.uk><br/> - This document is released under the Creative Commons Attribution-ShareAlike 4.0 International Public License and all future versions. - A copy of the license can be found at <a href="../license.txt">../license.txt</a>. - </p> - - <p> - This document is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See <a href="../license.txt">../license.txt</a> for more information. - </p> + + </div> </body> </html> |