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| author | Francis Rowe <info@gluglug.org.uk> | 2015-03-17 16:49:45 (EDT) |
|---|---|---|
| committer | Francis Rowe <info@gluglug.org.uk> | 2015-03-18 00:03:08 (EDT) |
| commit | ccc09ce5b6e39fed38434d9e97574d84c425bc65 (patch) | |
| tree | 7dea151f3246a9f595280c18f70855e1beeae17f /docs/install/t400_external.html | |
| parent | c164960b3b600a4da564b58645b776bbb5f4a016 (diff) | |
| download | libreboot-ccc09ce5b6e39fed38434d9e97574d84c425bc65.zip libreboot-ccc09ce5b6e39fed38434d9e97574d84c425bc65.tar.gz libreboot-ccc09ce5b6e39fed38434d9e97574d84c425bc65.tar.bz2 | |
New board: ThinkPad T400
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| -rw-r--r-- | docs/install/t400_external.html | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/docs/install/t400_external.html b/docs/install/t400_external.html new file mode 100644 index 0000000..cd0c3ca --- /dev/null +++ b/docs/install/t400_external.html @@ -0,0 +1,463 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1"> + + <style type="text/css"> + @import url('../css/main.css'); + </style> + + <title>ThinkPad T400: flashing tutorial (BeagleBone Black)</title> +</head> + +<body> + + <div class="section"> + <h1 id="pagetop">Flashing the T400 with a BeagleBone Black</h1> + <p>Initial flashing instructions for T400.</p> + <p> + This guide is for those who want libreboot on their ThinkPad T400 + while they still have the original Lenovo BIOS present. This guide + can also be followed (adapted) if you brick your T400, to know how + to recover. + </p> + + + <p><a href="index.html">Back to main index</a></p> + </div> + + <div class="section"> + + <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> + + <h1>CPU paste required</h1> + + <p> + See <a href="#paste">#paste</a>. + </p> + + </div> + + <div class="section"> + + <h1 id="flashchips">Flash chips</h1> + + <p> + The T400 will use an 8MiB or 64Mb SOIC-16 chip (rare models + will use a 4MiB or 32Mb SOIC-8 chip). + </p> + + <p> + <a href="#pagetop">Back to top of page.</a> + </p> + + </div> + + <div class="section photos"> + + <h1 id="macaddress">MAC address</h1> + + <p> + On the T400, the MAC address for the onboard + gigabit ethernet chipset is stored inside the flash chip, + along with other configuration data. + </p> + <p> + Keep a note of the MAC address before disassembly; this is + very important, because you will need to insert this into + the libreboot ROM image before flashing it. + It will be written in one of these locations: + </p> + + <p> + <img src="images/t400/macaddress0.jpg" alt="" /> + <img src="images/t400/macaddress1.jpg" alt="" /> + <img src="images/x200/disassembly/0001.jpg" alt="" /> + </p> + + </div> + + <div class="section photos"> + + <h1>Initial BBB configuration</h1> + + <p> + Refer to <a href="bbb_setup.html">bbb_setup.html</a> for how to + configure the BBB for flashing. + </p> + + <p> + The following shows how to connect clip to the BBB (on the P9 header), for SOIC-16 (clip: Pomona 5252): + </p> +<pre> +POMONA 5252 (correlate with the BBB guide) +=== ethernet jack and VGA port ==== + NC - - 21 + 1 - - 17 + NC - - NC + NC - - NC + NC - - NC + NC - - NC + 18 - - 3.3V PSU RED + 22 - - NC - this is pin 1 on the flash chip +=== SATA port === +<i>This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.</i><br/> +<img src="images/t400/0065.jpg" alt="" /> +</pre> + <p> + The following shows how to connect clip to the BBB (on the P9 header), for SOIC-8 (clip: Pomona 5250): + </p> +<pre> +POMONA 5250 (correlate with the BBB guide) +=== RAM slots ==== + 18 - - 1 + 22 - - NC + NC - - 21 + 3.3V PSU RED - - 17 - this is pin 1 on the flash chip +=== slot where the AC jack is connected ===<br/> +<b>TODO: ADD PHOTO</b> +</pre> + + <h2> + The procedure + </h2> + + <p> + Remove <i>all</i> screws, placing them in the order that you removed them:<br/> + <img src="images/t400/0001.jpg" alt="" /> + <img src="images/t400/0002.jpg" alt="" /> + </p> + <p> + Remove those three screws then remove the rear bezel:<br/> + <img src="images/t400/0003.jpg" alt="" /> + <img src="images/t400/0004.jpg" alt="" /> + <img src="images/t400/0005.jpg" alt="" /> + <img src="images/t400/0006.jpg" alt="" /> + </p> + <p> + Remove the speakers:<br/> + <img src="images/t400/0007.jpg" alt="" /> + <img src="images/t400/0008.jpg" alt="" /> + <img src="images/t400/0009.jpg" alt="" /> + <img src="images/t400/0010.jpg" alt="" /> + <img src="images/t400/0011.jpg" alt="" /> + </p> + <p> + Remove the wifi:<br/> + <img src="images/t400/0012.jpg" alt="" /> + <img src="images/t400/0013.jpg" alt="" /> + </p> + <p> + Remove this cable:<br/> + <img src="images/t400/0014.jpg" alt="" /> + <img src="images/t400/0015.jpg" alt="" /> + <img src="images/t400/0016.jpg" alt="" /> + <img src="images/t400/0017.jpg" alt="" /> + <img src="images/t400/0018.jpg" alt="" /> + </p> + <p> + Unroute those antenna wires:<br/> + <img src="images/t400/0019.jpg" alt="" /> + <img src="images/t400/0020.jpg" alt="" /> + <img src="images/t400/0021.jpg" alt="" /> + <img src="images/t400/0022.jpg" alt="" /> + <img src="images/t400/0023.jpg" alt="" /> + </p> + <p> + Remove the LCD assembly:<br/> + <img src="images/t400/0024.jpg" alt="" /> + <img src="images/t400/0025.jpg" alt="" /> + <img src="images/t400/0026.jpg" alt="" /> + <img src="images/t400/0027.jpg" alt="" /> + <img src="images/t400/0028.jpg" alt="" /> + <img src="images/t400/0029.jpg" alt="" /> + <img src="images/t400/0030.jpg" alt="" /> + <img src="images/t400/0031.jpg" alt="" /> + </p> + <p> + Disconnect the NVRAM battery:<br/> + <img src="images/t400/0033.jpg" alt="" /> + </p> + <p> + Disconnect the fan:<br/> + <img src="images/t400/0034.jpg" alt="" /> + </p> + <p> + Unscrew these:<br/> + <img src="images/t400/0035.jpg" alt="" /> + <img src="images/t400/0036.jpg" alt="" /> + <img src="images/t400/0037.jpg" alt="" /> + <img src="images/t400/0038.jpg" alt="" /> + </p> + <p> + Unscrew the heatsink, then left it off:<br/> + <img src="images/t400/0039.jpg" alt="" /> + <img src="images/t400/0040.jpg" alt="" /> + </p> + <p> + Disconnect the power jack:<br/> + <img src="images/t400/0041.jpg" alt="" /> + <img src="images/t400/0042.jpg" alt="" /> + </p> + <p> + Loosen this:<br/> + <img src="images/t400/0043.jpg" alt="" /> + </p> + <p> + Remove this:<br/> + <img src="images/t400/0044.jpg" alt="" /> + <img src="images/t400/0045.jpg" alt="" /> + <img src="images/t400/0046.jpg" alt="" /> + <img src="images/t400/0047.jpg" alt="" /> + <img src="images/t400/0048.jpg" alt="" /> + </p> + <p> + Unscrew these:<br/> + <img src="images/t400/0049.jpg" alt="" /> + <img src="images/t400/0050.jpg" alt="" /> + </p> + <p> + Remove this:<br/> + <img src="images/t400/0051.jpg" alt="" /> + <img src="images/t400/0052.jpg" alt="" /> + </p> + <p> + Unscrew this:<br/> + <img src="images/t400/0053.jpg" alt="" /> + </p> + <p> + Remove the motherboard (the cage is still attached) from + the right hand side, then lift it out:<br/> + <img src="images/t400/0054.jpg" alt="" /> + <img src="images/t400/0055.jpg" alt="" /> + <img src="images/t400/0056.jpg" alt="" /> + </p> + <p> + Remove these screws, placing the screws in the same layout + and marking each screw hole (so that you know what ones + to put the screws back into later): + <img src="images/t400/0057.jpg" alt="" /> + <img src="images/t400/0058.jpg" alt="" /> + <img src="images/t400/0059.jpg" alt="" /> + <img src="images/t400/0060.jpg" alt="" /> + <img src="images/t400/0061.jpg" alt="" /> + <img src="images/t400/0062.jpg" alt="" /> + </p> + <p> + Separate the motherboard:<br/> + <img src="images/t400/0063.jpg" alt="" /> + <img src="images/t400/0064.jpg" alt="" /> + </p> + <p> + Connect your programmer, then connect GND and 3.3V<br/> + <img src="images/t400/0065.jpg" alt="" /> + <img src="images/t400/0066.jpg" alt="" /> + <img src="images/t400/0067.jpg" alt="" /> + <img src="images/t400/0069.jpg" alt="" /> + <img src="images/t400/0070.jpg" alt="" /> + <img src="images/t400/0071.jpg" alt="" /> + </p> + <p> + A dedicated 3.3V PSU was used to create this guide, but + at ATX PSU is also fine:<br/> + <img src="images/t400/0072.jpg" alt="" /> + </p> + + <p> + Of course, make sure to turn on your PSU:<br/> + <img src="images/x200/disassembly/0013.jpg" alt="" /> + </p> + + <p> + Now, you should be ready to install libreboot. + </p> + + <p> + Flashrom binaries for ARM (tested on a BBB) are distributed in libreboot_util. Alternatively, + libreboot also distributes flashrom source code which can be built. + </p> + <p> + Log in as root on your BBB, using the instructions in <a href="bbb_setup.html#bbb_access">bbb_setup.html#bbb_access</a>. + </p> + <p> + Test that flashrom works:<br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512</b><br/> + In this case, the output was: + </p> +<pre> +flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l) +flashrom is free software, get the source code at http://www.flashrom.org +Calibrating delay loop... OK. +Found Macronix flash chip "MX25L6405(D)" (8192 kB, SPI) on linux_spi. +Found Macronix flash chip "MX25L6406E/MX25L6436E" (8192 kB, SPI) on linux_spi. +Found Macronix flash chip "MX25L6445E/MX25L6473E" (8192 kB, SPI) on linux_spi. +Multiple flash chip definitions match the detected chip(s): "MX25L6405(D)", "MX25L6406E/MX25L6436E", "MX25L6445E/MX25L6473E" +Please specify which chip definition to use with the -c <chipname> option. +</pre> + <p> + How to backup factory.rom (change the -c option as neeed, for your flash chip):<br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory.rom</b><br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory1.rom</b><br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory2.rom</b><br/> + Note: the <b>-c</b> option is not required in libreboot's patched flashrom, because + the redundant flash chip definitions in <i>flashchips.c</i> have been removed.<br/> + Now compare the 3 images:<br/> + # <b>sha512sum factory*.rom</b><br/> + If the hashes match, then just copy one of them (the factory.rom) to a safe place (on a drive connected to another machine, not + the BBB). This is useful for reverse engineering work, if there is a desirable behaviour in the original firmware + that could be replicated in coreboot and libreboot. + </p> + <p> + Follow the instructions at <a href="../hcl/gm45_remove_me.html#ich9gen">../hcl/gm45_remove_me.html#ich9gen</a> + to change the MAC address inside the libreboot ROM image, before flashing it. + Although there is a default MAC address inside the ROM image, this is not what you want. <b>Make sure + to always change the MAC address to one that is correct for your system.</b> + </p> + <p> + Now flash it:<br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom -V</b> + </p> + <p> + <img src="images/x200/disassembly/0015.jpg" alt="" /> + </p> + <p> + You might see errors, but if it says <b>Verifying flash... VERIFIED</b> at the end, then it's flashed and should boot. + If you see errors, try again (and again, and again); the message <b>Chip content is identical to the requested image</b> + is also an indication of a successful installation. + </p> + <p> + Example output from running the command (see above): + </p> +<pre> +flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l) +flashrom is free software, get the source code at http://www.flashrom.org +Calibrating delay loop... OK. +Found Macronix flash chip "MX25L6405(D)" (8192 kB, SPI) on linux_spi. +Reading old flash chip contents... done. +Erasing and writing flash chip... FAILED at 0x00001000! Expected=0xff, Found=0x00, failed byte count from 0x00000000-0x0000ffff: 0xd716 +ERASE FAILED! +Reading current flash chip contents... done. Looking for another erase function. +Erase/write done. +Verifying flash... VERIFIED. +</pre> + + <p> + <a href="#pagetop">Back to top of page.</a> + </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 photos"> + + <h2> + Boot it! + </h2> + <p> + You should see something like this: + </p> + <p> + <img src="images/t400/boot0.jpg" alt="" /> + <img src="images/t400/boot1.jpg" alt="" /> + </p> + + <p> + Now <a href="../gnulinux/index.html">install GNU/Linux</a>. + </p> + + </div> + + <div class="section"> + + <p> + Copyright © 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> + 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> |