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diff --git a/docs/install/r400_external.html b/docs/install/r400_external.html index 383a93b..6e2e471 100644 --- a/docs/install/r400_external.html +++ b/docs/install/r400_external.html @@ -31,6 +31,42 @@ <p><a href="index.html">Back to main index</a></p> </div> + + <div class="section" id="cpu_compatibility"> + + <h1>A note about CPUs</h1> + <p> + <a href="http://www.thinkwiki.org/wiki/Category:R400">ThinkWiki</a> has a list of CPUs + for this system. The Core 2 Duo P8400 and P8600 are believed to work in libreboot. + <b>The Core 2 Duo P9400/P9600/T5870/5670 and Celeron M 575/585 are untested!</b> + </p> + + </div> + + <div class="section" id="switchable_graphics"> + + <h1>A note about GPUs</h1> + + <p> + This guide currently assumes that you have an Intel GPU (non-switchable). + Some T400 have switchable graphics (ATI), which means that you can choose between ATI or Intel + in the <i>BIOS setup</i>. When switching to Intel, is lenovobios not enabling ATI + (where ATI is disabled by default and the system uses the Intel chip), or are they + disabling it (where the system uses the ATI chip by default)? + </p> + + <p> + Basically, switchable graphics is untested, but it should be easy to get it working + (if it doesn't already work). + </p> + + <h1>CPU paste required</h1> + + <p> + See <a href="#paste">#paste</a>. + </p> + + </div> <div class="section"> @@ -182,6 +218,74 @@ Verifying flash... VERIFIED. </p> </div> + + <div class="section photos" id="paste"> + + <h1>Thermal paste (IMPORTANT)</h1> + + <p> + Because part of this procedure involved removing the heatsink, you will need to apply new paste. + Arctic Silver 5 is ok. You will also need isopropyl alcohol and an anti-static cloth to clean with. + </p> + + <p> + When re-installing the heatsink, you must first clean off all old paste with the alcohol/cloth. + Then apply new paste. AS5 is also much better than the default paste used on these machines. + </p> + + <p> + <img src="images/t400/paste.jpg" alt="" /> + </p> + + </div> + + <div class="section"> + + <h1 id="wifi">Wifi</h1> + + <p> + The T400 typically comes with an Intel wifi chipset, which does not + work without proprietary software. For a list of wifi chipsets that + work without proprietary software, see + <a href="../hcl/index.html#recommended_wifi">../hcl/index.html#recommended_wifi</a>. + </p> + + <p> + Some T400 laptops might come with an Atheros chipset, but this is 802.11g only. + </p> + + <p> + It is recommended that you install a new wifi chipset. This can only + be done after installing libreboot, because the original firmware has + a whitelist of approved chips, and it will refuse to boot if you + use an 'unauthorized' wifi card. + </p> + + <p> + The following photos show an Atheros AR5B95 being installed, to + replace the Intel chip that this T400 came with:<br/> + <img src="images/t400/0012.jpg" alt="" /> + <img src="images/t400/ar5b95.jpg" alt="" /> + </p> + + </div> + + <div class="section photos"> + + <h1 id="memory">Memory</h1> + + <p> + You need DDR3 SODIMM PC3-8500 RAM installed, in matching pairs + (speed/size). Non-matching pairs won't work. You can also install a + single module (meaning, one of the slots will be empty) in slot 0. + </p> + + <p> + The following photo shows 8GiB (2x4GiB) of RAM installed:<br/> + <img src="images/t400/memory.jpg" alt="" /> + </p> + + </div> <div class="section"> |