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diff --git a/docs/install/x60tablet_unbrick.html b/docs/install/x60tablet_unbrick.html new file mode 100644 index 00000000..8da9d2f9 --- /dev/null +++ b/docs/install/x60tablet_unbrick.html @@ -0,0 +1,215 @@ +<!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 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> |