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| author | Francis Rowe <info@gluglug.org.uk> | 2015-03-31 18:00:28 (EDT) |
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| committer | Francis Rowe <info@gluglug.org.uk> | 2015-03-31 18:07:35 (EDT) |
| commit | 75ee5e97c9be6c94ffa6ddf5f8e882bc4b1701b1 (patch) | |
| tree | 1fbdc6643eb1d8fded3e3498d0451a19a319e594 /docs/install/t500_external.html | |
| parent | 993f379175896ca0604ac860f24b9d93b89e1e74 (diff) | |
| download | libreboot-75ee5e97c9be6c94ffa6ddf5f8e882bc4b1701b1.zip libreboot-75ee5e97c9be6c94ffa6ddf5f8e882bc4b1701b1.tar.gz libreboot-75ee5e97c9be6c94ffa6ddf5f8e882bc4b1701b1.tar.bz2 | |
ThinkPad T500 support
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diff --git a/docs/install/t500_external.html b/docs/install/t500_external.html new file mode 100644 index 0000000..ff95517 --- /dev/null +++ b/docs/install/t500_external.html @@ -0,0 +1,508 @@ +<!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 T500: flashing tutorial (BeagleBone Black)</title> +</head> + +<body> + + <div class="section"> + <h1 id="pagetop">Flashing the T500 with a BeagleBone Black</h1> + + <p>Initial flashing instructions for T500.</p> + <p> + This guide is for those who want libreboot on their ThinkPad T500 + while they still have the original Lenovo BIOS present. This guide + can also be followed (adapted) if you brick your T500, to know how + to recover. + </p> + + <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:T500">ThinkWiki</a> has a list of CPUs + for this system. The Core 2 Duo P8400, P8600 and P8700 are believed to work in libreboot. + <b>The T9400, T9500, T9550 and T9600 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 T500 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"> + + <h1 id="flashchips">Flash chips</h1> + + <p> + The T500 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 T500, 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/> +<img src="images/t500/0060.jpg" alt="" /> +</pre> + + <h2> + The procedure + </h2> + + <p> + Remove all screws:<br/> + <img src="images/t500/0000.jpg" alt="" /><br/> + It is also advisable to, throughout the disassembly, + place any screws and/or components that you removed in + the same layout or arrangement. The follow photos demonstrate + this:<br/> + <img src="images/t500/0001.jpg" alt="" /> + <img src="images/t500/0002.jpg" alt="" /> + </p> + <p> + Remove the HDD/SSD and optical drive:<br/> + <img src="images/t500/0003.jpg" alt="" /> + <img src="images/t500/0004.jpg" alt="" /> + </p> + <p> + Remove the palm rest:<br/> + <img src="images/t500/0005.jpg" alt="" /> + <img src="images/t500/0006.jpg" alt="" /> + </p> + <p> + Remove the keyboard and rear bezel:<br/> + <img src="images/t500/0007.jpg" alt="" /> + <img src="images/t500/0008.jpg" alt="" /> + <img src="images/t500/0009.jpg" alt="" /> + <img src="images/t500/0010.jpg" alt="" /> + <img src="images/t500/0011.jpg" alt="" /> + <img src="images/t500/0012.jpg" alt="" /> + </p> + <p> + If you have a WWAN/3G card and/or sim card reader, + remove them permanently. The WWAN-3G card has DMA, and + proprietary firmware inside; the technology is identical + to what is used in mobile phones, so it can also track + your movements:<br/> + <img src="images/t500/0013.jpg" alt="" /> + <img src="images/t500/0017.jpg" alt="" /> + <img src="images/t500/0018.jpg" alt="" /> + </p> + <p> + Remove this frame, and then remove the wifi chip:<br/> + <img src="images/t500/0014.jpg" alt="" /> + <img src="images/t500/0015.jpg" alt="" /> + <img src="images/t500/0016.jpg" alt="" /> + </p> + <p> + Remove the speakers:<br/> + <img src="images/t500/0019.jpg" alt="" /> + <img src="images/t500/0020.jpg" alt="" /> + <img src="images/t500/0021.jpg" alt="" /> + <img src="images/t500/0022.jpg" alt="" /> + <img src="images/t500/0023.jpg" alt="" /> + <img src="images/t500/0024.jpg" alt="" /> + <img src="images/t500/0025.jpg" alt="" /> + </p> + <p> + Remove the NVRAM battery (already removed in this photo):<br/> + <img src="images/t500/0026.jpg" alt="" /> + </p> + <p> + When you re-assemble, you will be replacing the wifi chip + with another. These two screws don't hold anything together, + but they are included in your machine because the screw + holes for half-height cards are a different size, so + use these if you will be installing a half-height card:<br/> + <img src="images/t500/0027.jpg" alt="" /> + </p> + <p> + Unroute the antenna wires:<br/> + <img src="images/t500/0028.jpg" alt="" /> + <img src="images/t500/0029.jpg" alt="" /> + <img src="images/t500/0030.jpg" alt="" /> + <img src="images/t500/0031.jpg" alt="" /> + </p> + <p> + Disconnect the LCD cable from the motherboard:<br/> + <img src="images/t500/0032.jpg" alt="" /> + <img src="images/t500/0033.jpg" alt="" /> + </p> + <p> + Remove the LCD assembly hinge screws, and then remove the LCD + assembly:<br/> + <img src="images/t500/0034.jpg" alt="" /> + <img src="images/t500/0035.jpg" alt="" /> + <img src="images/t500/0036.jpg" alt="" /> + </p> + <p> + Remove the fan and heatsink:<br/> + <img src="images/t500/0037.jpg" alt="" /> + <img src="images/t500/0038.jpg" alt="" /> + <img src="images/t500/0039.jpg" alt="" /> + </p> + <p> + Remove this screw:<br/> + <img src="images/t500/0040.jpg" alt="" /> + </p> + <p> + Remove these cables, keeping note of how and in what + arrangement they are connected:<br/> + <img src="images/t500/0041.jpg" alt="" /> + <img src="images/t500/0042.jpg" alt="" /> + <img src="images/t500/0043.jpg" alt="" /> + <img src="images/t500/0044.jpg" alt="" /> + <img src="images/t500/0045.jpg" alt="" /> + <img src="images/t500/0046.jpg" alt="" /> + <img src="images/t500/0047.jpg" alt="" /> + <img src="images/t500/0048.jpg" alt="" /> + <img src="images/t500/0049.jpg" alt="" /> + </p> + <p> + Disconnect the power jack:<br/> + <img src="images/t500/0050.jpg" alt="" /> + <img src="images/t500/0051.jpg" alt="" /> + </p> + <p> + Remove the motherboard and cage from the base + (the marked hole is where those cables were routed through):<br/> + <img src="images/t500/0052.jpg" alt="" /> + <img src="images/t500/0053.jpg" alt="" /> + </p> + <p> + Remove all screws, arranging them in the same layout + when placing the screws on a surface and marking each screw + hole (this is to reduce the possibility of putting them + back in the wrong holes):<br/> + <img src="images/t500/0054.jpg" alt="" /> + <img src="images/t500/0055.jpg" alt="" /> + </p> + <p> + Also remove this:<br/> + <img src="images/t500/0056.jpg" alt="" /> + <img src="images/t500/0057.jpg" alt="" /> + </p> + <p> + Separate the motherboard from the cage:<br/> + <img src="images/t500/0058.jpg" alt="" /> + <img src="images/t500/0059.jpg" alt="" /> + </p> + <p> + The flash chip is next to the memory slots. On this + machine, it was a SOIC-8 (4MiB or 32Mb) flash chip:<br/> + <img src="images/t500/0060.jpg" alt="" /> + </p> + <p> + Connect your programmer, then connect GND and 3.3V<br/> + <img src="images/t500/0061.jpg" alt="" /><br/> + <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 T500 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 T500 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 T500 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 DMA, and 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> + 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/t500/0062.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> |