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| author | Leah Rowe <info@minifree.org> | 2016-08-22 10:22:04 +0100 |
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| committer | Leah Rowe <info@minifree.org> | 2016-08-22 10:22:04 +0100 |
| commit | c679b19f0b0d95f587b3836c7bf867a932d3df28 (patch) | |
| tree | a0529135e5901b3aff16987a2cf94c10752cb8ab /docs/install/t400_external.html | |
| parent | 3ca295f25340344f5d42164bd134dbb9f5b0ff4c (diff) | |
| download | librebootfr-c679b19f0b0d95f587b3836c7bf867a932d3df28.tar.gz librebootfr-c679b19f0b0d95f587b3836c7bf867a932d3df28.zip | |
actually add the documentation directory. (I forgot git add in last commit)
Diffstat (limited to 'docs/install/t400_external.html')
| -rw-r--r-- | docs/install/t400_external.html | 579 |
1 files changed, 579 insertions, 0 deletions
diff --git a/docs/install/t400_external.html b/docs/install/t400_external.html new file mode 100644 index 00000000..74b4f0f0 --- /dev/null +++ b/docs/install/t400_external.html @@ -0,0 +1,579 @@ +<!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 id="preinstall">T400 laptops with libreboot pre-installed</h1> + + <p> + If you don't want to install libreboot yourself, companies exist that sell these laptops + with libreboot pre-installed, along with a free GNU/Linux distribution. + </p> + <p> + Check the <a href="../../suppliers">suppliers</a> page for more information. + </p> + + </div> + + <div class="section"> + + <h2 id="serial_port">Serial port</h2> + + <p> + EHCI debug might not be needed. It has been reported that the docking station + for this laptop has a serial port, so it might be possible to use that instead. + </p> + + </div> + + <div class="section"> + + <h1 id="lcd_compatibility">LCD compatibly</h1> + <p> + Not all LCD panels are compatible yet. See <a href="../hcl/gm45_lcd.html">../hcl/gm45_lcd.html</a>. + </p> + + </div> + + <div class="section" id="cpu_compatibility"> + + <h1>A note about CPUs</h1> + <p> + <a href="http://www.thinkwiki.org/wiki/Category:T400">ThinkWiki</a> has a list of CPUs + for this system. The Core 2 Duo P8400, P8600 and P8700 are believed to work in libreboot. + The T9600 was confirmed to work, so the T9500/T9550 probably also work. + </p> + + <h2>Quad-core CPUs</h2> + + <p> + Incompatible. Do not use. + </p> + + </div> + + <div class="section" id="switchable_graphics"> + + <h1>A note about GPUs</h1> + + <p> + Some models have an Intel GPU, while others have both an ATI and an Intel GPU; this + is referred to as "switchable graphics". In the <i>BIOS setup</i> program + for lenovobios, you can specify that the system will use one or the other (but not both). + </p> + + <p> + Libreboot is known to work on systems with only the Intel GPU, using native graphics initialization. + On systems with switchable graphics, the Intel GPU is used and the ATI GPU is disabled, so + native graphics initialization works all the same. + </p> + + <h1>CPU paste required</h1> + + <p> + See <a href="#paste">#paste</a>. + </p> + + </div> + + <div class="section"> + + <h1 id="flashchips">Flash chip size</h1> + + <p> + Use this to find out:<br> + # <b>dmidecode | grep ROM\ Size</b> + </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) + 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) - - 17 - this is pin 1 on the flash chip +=== slot where the AC jack is connected ===<br/> +<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/t500/0060.jpg" alt="" /> +</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 lift 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 system, 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 MX-4 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. Arctic MX-4 is also much better than the default paste used on these systems. + </p> + + <p> + <img src="images/t400/paste.jpg" alt="" /> + </p> + + <p> + NOTE: the photo above is for illustration purposes only, and does not show how to properly apply the thermal paste. + Other guides online detail the proper application procedure. + </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"> + + <h1 id="wwan">WWAN</h1> + <p> + If you have a WWAN/3G card and/or sim card reader, remove them permanently. + The WWAN-3G card has proprietary firmware inside; the technology is + identical to what is used in mobile phones, so it can also track your movements. + </p> + <p> + Not to be confused with wifi (wifi is fine). + </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> + Make sure that the RAM you buy is the 2Rx8 density. + </p> + + <p> + <a href="http://www.forum.thinkpads.com/viewtopic.php?p=760721">This page</a> might be useful for RAM compatibility info + (note: coreboot raminit is different, so this page might be BS) + </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 Leah Rowe <info@minifree.org><br/> + Permission is granted to copy, distribute and/or modify this document + under the terms of the GNU Free Documentation License, Version 1.3 + or any later version published by the Free Software Foundation; + with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. + A copy of the license can be found at <a href="../gfdl-1.3.txt">../gfdl-1.3.txt</a> + </p> + + <p> + Updated versions of the license (when available) can be found at + <a href="https://www.gnu.org/licenses/licenses.html">https://www.gnu.org/licenses/licenses.html</a> + </p> + + <p> + UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE + EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS + AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF + ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS, + IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION, + WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR + PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS, + ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT + KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT + ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU. + </p> + <p> + TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE + TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION, + NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT, + INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES, + COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR + USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN + ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR + DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR + IN PART, THIS LIMITATION MAY NOT APPLY TO YOU. + </p> + <p> + The disclaimer of warranties and limitation of liability provided + above shall be interpreted in a manner that, to the extent + possible, most closely approximates an absolute disclaimer and + waiver of all liability. + </p> + + </div> + +</body> +</html> |