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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/t60_unbrick.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/t60_unbrick.html')
| -rw-r--r-- | docs/install/t60_unbrick.html | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/docs/install/t60_unbrick.html b/docs/install/t60_unbrick.html new file mode 100644 index 00000000..a6a55cbe --- /dev/null +++ b/docs/install/t60_unbrick.html @@ -0,0 +1,322 @@ +<!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 T60: Recovery guide</title> +</head> + +<body> + + <div class="section"> + <h1>ThinkPad T60: Recovery guide</h1> + <p>This section documents how to recover from a bad flash that prevents your ThinkPad T60 from booting.</p> + <p><a href="index.html">Back to previous index</a></p> + </div> + + <div class="section"> + <h2>Table of Contents</h2> + <ul> + <li> + Types of brick: + <ul> + <li><a href="#bucts_brick">Brick type 1: bucts not reset</a></li> + <li><a href="#recovery">Brick type 2: bad rom (or user error), system won't boot</a></li> + </ul> + </li> + </ul> + </div> + + <div class="section"> + <h1 id="bucts_brick">Brick type 1: bucts not reset.</h1> + <p> + You still have Lenovo BIOS, or you had libreboot running and you flashed another ROM; and you had bucts 1 set and + the ROM wasn't dd'd.* or if Lenovo BIOS was present and libreboot wasn't flashed.<br/><br/> + + In this case, unbricking is easy: reset BUC.TS to 0 by removing that yellow cmos coin (it's a battery) and putting it back after a minute or two:<br/> + <img src="../images/t60_dev/0006.JPG" alt="" /><br/><br/> + + *Those dd commands should be applied to all newly compiled T60 ROM images (the ROM images in libreboot binary archives already have this applied!):<br/> + dd if=coreboot.rom of=top64k.bin bs=1 skip=$[$(stat -c %s coreboot.rom) - 0x10000] count=64k<br/> + dd if=coreboot.rom bs=1 skip=$[$(stat -c %s coreboot.rom) - 0x20000] count=64k | hexdump<br/> + dd if=top64k.bin of=coreboot.rom bs=1 seek=$[$(stat -c %s coreboot.rom) - 0x20000] count=64k conv=notrunc<br/> + (doing this makes the ROM suitable for use when flashing a system that still has Lenovo BIOS running, + using those instructions: <a href="http://www.coreboot.org/Board:lenovo/x60/Installation">http://www.coreboot.org/Board:lenovo/x60/Installation</a>. + (it says x60, but instructions for t60 are identical) + </p> + </div> + + <div class="section"> + + <h1 id="recovery">bad rom (or user error), system won't boot</h1> + + <p> + In this scenario, you compiled a ROM that had an incorrect configuration, or there is an actual bug preventing your system from + booting. Or, maybe, you set BUC.TS to 0 and shut down after first flash while Lenovo BIOS was running. In any case, your system is bricked and will not boot at all. + </p> + <p> + "Unbricking" means flashing a known-good (working) ROM. The problem: you can't boot the system, making this difficult. In this situation, external hardware (see hardware requirements above) is needed which can flash the SPI chip (where libreboot resides). + </p> + + <p> + Remove those screws and remove the HDD:<br/> + <img src="../images/t60_dev/0001.JPG" alt="" /> <img src="../images/t60_dev/0002.JPG" alt="" /> + </p> + + <p> + Lift off the palm rest:<br/> + <img src="../images/t60_dev/0003.JPG" alt="" /> + </p> + + <p> + Lift up the keyboard, pull it back a bit, flip it over like that and then disconnect it from the board:<br/> + <img src="../images/t60_dev/0004.JPG" alt="" /> <img src="../images/t60_dev/0005.JPG" alt="" /> <img src="../images/t60_dev/0006.JPG" alt="" /> + </p> + + <p> + Gently wedge both sides loose:<br/> + <img src="../images/t60_dev/0007.JPG" alt="" /> <img src="../images/t60_dev/0008.JPG" alt="" /> + </p> + + <p> + Remove that cable from the position:<br/> + <img src="../images/t60_dev/0009.JPG" alt="" /> <img src="../images/t60_dev/0010.JPG" alt="" /> + </p> + + <p> + Now remove that bezel. Remove wifi, nvram battery and speaker connector (also remove 56k modem, on the left of wifi):<br/> + <img src="../images/t60_dev/0011.JPG" alt="" /> + </p> + + <p> + Remove those screws:<br/> + <img src="../images/t60_dev/0012.JPG" alt="" /> + </p> + + <p> + Disconnect the power jack:<br/> + <img src="../images/t60_dev/0013.JPG" alt="" /> + </p> + + <p> + Remove nvram battery:<br/> + <img src="../images/t60_dev/0014.JPG" alt="" /> + </p> + + <p> + Disconnect cable (for 56k modem) and disconnect the other cable:<br/> + <img src="../images/t60_dev/0015.JPG" alt="" /> <img src="../images/t60_dev/0016.JPG" alt="" /> + </p> + + <p> + Disconnect speaker cable:<br/> + <img src="../images/t60_dev/0017.JPG" alt="" /> + </p> + + <p> + Disconnect the other end of the 56k modem cable:<br/> + <img src="../images/t60_dev/0018.JPG" alt="" /> + </p> + + <p> + Make sure you removed it:<br/> + <img src="../images/t60_dev/0019.JPG" alt="" /> + </p> + + <p> + Unscrew those:<br/> + <img src="../images/t60_dev/0020.JPG" alt="" /> + </p> + + <p> + Make sure you removed those:<br/> + <img src="../images/t60_dev/0021.JPG" alt="" /> + </p> + + <p> + Disconnect LCD cable from board:<br/> + <img src="../images/t60_dev/0022.JPG" alt="" /> + </p> + + <p> + Remove those screws then remove the LCD assembly:<br/> + <img src="../images/t60_dev/0023.JPG" alt="" /> <img src="../images/t60_dev/0024.JPG" alt="" /> <img src="../images/t60_dev/0025.JPG" alt="" /> + </p> + + <p> + Once again, make sure you removed those:<br/> + <img src="../images/t60_dev/0026.JPG" alt="" /> + </p> + + <p> + Remove the shielding containing the motherboard, then flip it over. Remove these screws, placing them on a steady + surface in the same layout as they were in before you removed them. Also, you should mark each screw hole after removing the + screw (a permanent marker pen will do), this is so that you have a point of reference when re-assembling the system:<br/> + <img src="../images/t60_dev/0027.JPG" alt="" /> <img src="../images/t60_dev/0028.JPG" alt="" /> <img src="../images/t60_dev/0029.JPG" alt="" /> + <img src="../images/t60_dev/0031.JPG" alt="" /> <img src="../images/t60_dev/0032.JPG" alt="" /> <img src="../images/t60_dev/0033.JPG" alt="" /> + </p> + + <p> + Now wire up the BBB and the Pomona with your PSU.<br/> + Refer to <a href="bbb_setup.html">bbb_setup.html</a> for how to setup + the BBB for flashing.<br/> + <b>Note, the guide mentions a 3.3v DC PSU but you don't need this on the T60: + if you don't have or don't want to use an external PSU, then make + sure not to connect the 3.3v leads mentioned in the guide; + instead, connect the AC adapter (the one that normally charges your + battery) so that the board has power (but don't boot it up)</b><br/> + <img src="../images/t60_dev/0030.JPG" alt="" /><br/> + Correlate the following with the BBB guide linked above: + </p> +<pre> +POMONA 5250: +=== DVD drive ==== + 18 - - 1 + 22 - - NC ---- RAM is on this end + NC - - 21 + 3.3V (PSU) - - 17 - this is pin 1 on the flash chip +=== audio jacks === +<i>This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.</i> +</pre> + + <p> + Connect the pomona from the BBB to the flash chip. No pics unfortunately. (use the text diagram above). + </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> + SSH'd into the BBB:<br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w yourrom.rom</b> + </p> + <p> + It should be <b>Verifying flash... VERIFIED</b> at the end. If flashrom complains about multiple flash chip + definitions detected, then choose one of them following the instructions in the output. + </p> + + <p> + Put those screws back:<br/> + <img src="../images/t60_dev/0047.JPG" alt="" /> + </p> + + <p> + Put it back into lower chassis:<br/> + <img src="../images/t60_dev/0048.JPG" alt="" /> + </p> + + <p> + Attach LCD and insert screws (also, attach the lcd cable to the board):<br/> + <img src="../images/t60_dev/0049.JPG" alt="" /> + </p> + + <p> + Insert those screws:<br/> + <img src="../images/t60_dev/0050.JPG" alt="" /> + </p> + + <p> + On the CPU (and there is another chip south-east to it, sorry forgot to take pic) + clean off the old thermal paste (with the alcohol) and apply new (Artic Silver 5 is good, others are good too) + you should also clean the heatsink the same way<br/> + <img src="../images/t60_dev/0051.JPG" alt="" /> + </p> + + <p> + Attach the heatsink and install the screws (also, make sure to install the AC jack as highlighted):<br/> + <img src="../images/t60_dev/0052.JPG" alt="" /> + </p> + + <p> + Reinstall that upper bezel:<br/> + <img src="../images/t60_dev/0053.JPG" alt="" /> + </p> + + <p> + Do that:<br/> + <img src="../images/t60_dev/0054.JPG" alt="" /> <img src="../images/t60_dev/0055.JPG" alt="" /> + </p> + + <p> + Re-attach modem, wifi, (wwan?), and all necessary cables. Sorry, forgot to take pics. Look at previous removal steps to see where they go back to. + </p> + + <p> + Attach keyboard and install nvram battery:<br/> + <img src="../images/t60_dev/0056.JPG" alt="" /> <img src="../images/t60_dev/0057.JPG" alt="" /> + </p> + + <p> + Place keyboard and (sorry, forgot to take pics) reinstall the palmrest and insert screws on the underside:<br/> + <img src="../images/t60_dev/0058.JPG" alt="" /> + </p> + + <p> + It lives!<br/> + <img src="../images/t60_dev/0071.JPG" alt="" /> <img src="../images/t60_dev/0072.JPG" alt="" /> <img src="../images/t60_dev/0073.JPG" alt="" /> + </p> + + <p> + Always stress test ('stress -c 2' and xsensors. below 90C is ok) when replacing cpu paste/heatsink:<br/> + <img src="../images/t60_dev/0074.JPG" alt="" /> + </p> + + </div> + + <div class="section"> + + <p> + Copyright © 2014, 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> |