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| author | Francis Rowe <info@gluglug.org.uk> | 2015-11-06 17:43:29 (EST) |
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| committer | Francis Rowe <info@gluglug.org.uk> | 2015-11-06 23:45:09 (EST) |
| commit | 95259e28ef047923258434898113d70c8e544eab (patch) | |
| tree | 1c0501bf4c7df1c31948184dabfc1e7c4c215a6e /docs/install/x60tablet_unbrick.html | |
| parent | 707f9383a8189b0054730134340f20709f56f976 (diff) | |
| download | libreboot-95259e28ef047923258434898113d70c8e544eab.zip libreboot-95259e28ef047923258434898113d70c8e544eab.tar.gz libreboot-95259e28ef047923258434898113d70c8e544eab.tar.bz2 | |
convert documentation to texinfo
Diffstat (limited to 'docs/install/x60tablet_unbrick.html')
| -rw-r--r-- | docs/install/x60tablet_unbrick.html | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/docs/install/x60tablet_unbrick.html b/docs/install/x60tablet_unbrick.html deleted file mode 100644 index 23a770b..0000000 --- a/docs/install/x60tablet_unbrick.html +++ /dev/null @@ -1,215 +0,0 @@ -<!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 X60 Tablet: Recovery guide</title> -</head> - -<body> - - <div class="section"> - <h1>ThinkPad X60 Tablet: Recovery guide</h1> - <p>This section documents how to recover from a bad flash that prevents your ThinkPad X60 Tablet 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/x60t_unbrick/0008.JPG" alt="" /><br/><br/> - - *Those dd commands should be applied to all newly compiled X60 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>. - </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> - <img src="../images/x60t_unbrick/0000.JPG" alt="" /> - </p> - - <p> - Remove those screws:<br/> - <img src="../images/x60t_unbrick/0001.JPG" alt="" /> - </p> - - <p> - Remove the HDD:<br/> - <img src="../images/x60t_unbrick/0002.JPG" alt="" /> - </p> - - <p> - Push keyboard forward to loosen it:<br/> - <img src="../images/x60t_unbrick/0003.JPG" alt="" /> - </p> - - <p> - Lift:<br/> - <img src="../images/x60t_unbrick/0004.JPG" alt="" /> - </p> - - <p> - Remove those:<br/> - <img src="../images/x60t_unbrick/0005.JPG" alt="" /> - </p> - - <p> - - <img src="../images/x60t_unbrick/0006.JPG" alt="" /> - </p> - - <p> - Also remove that (marked) and unroute the antenna cables:<br/> - <img src="../images/x60t_unbrick/0007.JPG" alt="" /> - </p> - - <p> - For some X60T laptops, you have to unroute those too:<br/> - <img src="../images/x60t_unbrick/0010.JPG" alt="" /> - </p> - - <p> - Remove the LCD extend board screws. Also remove those screws (see blue marks) and remove/unroute the cables and remove the metal plate:<br/> - <img src="../images/x60t_unbrick/0008.JPG" alt="" /> - </p> - - <p> - Remove that screw and then remove the board:<br/> - <img src="../images/x60t_unbrick/0009.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 X60 Tablet: - 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> - <img src="../images/x60t_unbrick/0011.JPG" alt="" /><br/> - Correlate the following with the BBB guide linked above: - </p> -<pre> -POMONA 5250: -=== golden finger and wifi switch ==== - 18 - - 1 - 22 - - NC ---------- audio jacks are on this end - NC - - 21 - 3.3V (PSU) - - 17 - this is pin 1 on the flash chip -=== CPU fan === -<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> - Connecting the BBB and pomona (in this image, an external 3.3v DC PSU was used):<br/> - <img src="images/x60/th_bbb_flashing.jpg" alt="" /> - </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> - Reverse the steps to re-assemble your system. - </p> - - </div> - - <div class="section"> - - <p> - Copyright © 2014, 2015 Francis Rowe <info@gluglug.org.uk><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> |