diff options
Diffstat (limited to 'docs/install/x60_unbrick.html')
| -rw-r--r-- | docs/install/x60_unbrick.html | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/docs/install/x60_unbrick.html b/docs/install/x60_unbrick.html new file mode 100644 index 0000000..751c4a8 --- /dev/null +++ b/docs/install/x60_unbrick.html @@ -0,0 +1,301 @@ +<!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>Libreboot documentation: Unbricking the ThinkPad X60</title> +</head> + +<body> + + <header> + <h1>Unbricking the ThinkPad X60</h1> + <aside>This guide will show you how to recover from a bad flash that prevents your ThinkPad X60 from booting.</aside> + </header> + + <p>Or go <a href="index.html">back to main index</a></p> + + <h2>Table of Contents</h2> + <ul> + <li><a href="#hardware_requirements">Hardware Requirements</a></li> + <li><a href="#software_requirements">Software Requirements</a></li> + <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), machine won't boot</a></li> + </ul> + </li> + </ul> + + <h1 id="hardware_requirements">Hardware requirements</h1> + <ul> + <li>a 2nd computer (maybe another X60. any computer will do)</li> + <li>external flashrom-compatible programmer (I'm using the "bus pirate") + <li>SOIC-8 IC clip (I'm using the Pomona 5250)</li> + <li>Cable (programmer<>clip) - mine came with the bus pirate.</li> + <li>USB mini a to b cable (for buspirate<>computer connection).</li> + </ul> + + <h1 id="software_requirements">Software requirements</h1> + <ul> + <li>GNU/Linux (on the 2nd computer)</li> + <li>flashrom software (on the 2nd computer): <a href="http://flashrom.org/">http://flashrom.org/</a> + </ul> + + <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/x60_unbrick/0004.jpg" alt="" /><br/><br/> + + *Those dd commands should be applied to all newly compiled X60 ROM's (the ROM's 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 machine 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> + + <h1 id="recovery">bad rom (or user error), machine 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 machine 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 machine 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 machine, 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:<br/> + <img src="../images/x60_unbrick/0000.jpg" alt="" /> + </p> + <p> + Push the keyboard forward (carefully):<br/> + <img src="../images/x60_unbrick/0001.jpg" alt="" /> + </p> + <p> + Lift the keyboard up and disconnect it from the board:<br/> + <img src="../images/x60_unbrick/0002.jpg" alt="" /> + </p> + <p> + Grab the right-hand side of the chassis and force it off (gently) and pry up the rest of the chassis:<br/> + <img src="../images/x60_unbrick/0003.jpg" alt="" /> + </p> + <p> + You should now have this:<br/> + <img src="../images/x60_unbrick/0004.jpg" alt="" /> + </p> + <p> + Disconnect the wifi antenna cables, the modem cable and the speaker:<br/> + <img src="../images/x60_unbrick/0005.jpg" alt="" /> + </p> + <p> + Unroute the cables along their path, carefully lifting the tape that holds them in place. Then, disconnect the modem + cable (other end) and power connection and unroute all the cables so that they dangle by the monitor hinge on the right-hand + side:<br/> + <img src="../images/x60_unbrick/0006.jpg" alt="" /> + </p> + <p> + Disconnect the monitor from the motherboard, and unroute the grey antenna cable, carefully lifting the tape + that holds it into place:<br/> + <img src="../images/x60_unbrick/0008.jpg" alt="" /> + </p> + <p> + Carefully lift the remaining tape and unroute the left antenna cable so that it is loose:<br/> + <img src="../images/x60_unbrick/0009.jpg" alt="" /> + </p> + <p> + Remove the screw that is highlighted (do NOT remove the other one; it holds part of the heatsink (other side) into place):<br/> + <img src="../images/x60_unbrick/0011.jpg" alt="" /> + </p> + <p> + Remove those screws:<br/> + <img src="../images/x60_unbrick/0012.jpg" alt="" /> + </p> + <p> + Carefully remove the plate, like so:<br/> + <img src="../images/x60_unbrick/0013.jpg" alt="" /> + </p> + <p> + Remove the SATA connector:<br/> + <img src="../images/x60_unbrick/0014.jpg" alt="" /> + </p> + <p> + Now remove the motherboard (gently) and cast the lcd/chassis aside:<br/> + <img src="../images/x60_unbrick/0015.jpg" alt="" /> + </p> + <p> + Lift back that tape and hold it with something. Highlighted is the SPI flash chip:<br/> + <img src="../images/x60_unbrick/0016.jpg" alt="" /> + </p> + <p> + At this point, you should wire up your programmer according to it's documentation. For me, this was (see: "SparkFun cable pin reference"):<br/> + <a href="http://dangerousprototypes.com/docs/Common_Bus_Pirate_cable_pinouts">http://dangerousprototypes.com/docs/Common_Bus_Pirate_cable_pinouts</a>.<br/> + Correlating with the following information, I was able to wire up my pirate correctly:<br/> + <a href="http://flashrom.org/Bus_Pirate#Connections">http://flashrom.org/Bus_Pirate#Connections</a><br/> + And by following that advice:<br/> + <a href="http://www.coreboot.org/Board:lenovo/x60/Installation#Howto">http://www.coreboot.org/Board:lenovo/x60/Installation#Howto</a>.<br/> + Note: that last page says to wire up only those 5 pins (see below) like that: 1, 2, 4, 5, 6.<br/> + Note: and then, for power it says (on that coreboot.org page) to connect the power jack to the board and connect the + AC adapter (without powering on the board).<br/> + Note: I ignored that advice, and wired up all 8 pins. And it worked.<br/> + + Here is the pinout (correlate it with your programmer's documentation):<br/> + <img src="../images/x60_unbrick/0017.jpg" alt="" /> + </p> + + <p> + My programmer (bus pirate):<br/> + <img src="../images/x60_unbrick/0019.jpg" alt="" /><br/> + My clip (pomona 5250):<br/> + <img src="../images/x60_unbrick/0020.jpg" alt="" /><br/> + Connecting the pomona:<br/> + <img src="../images/x60_unbrick/0022.jpg" alt="" /><br/> + Connecting the USB cable from programmer to 2nd(working/non-bricked) computer, my T60:<br/> + <img src="../images/x60_unbrick/0024.jpg" alt="" /><br/> + Now I install flashrom on the T60 (running Trisquel GNU/Linux) and do this:<br/> + <b>flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -w bin/x60/libreboot_usqwerty.rom</b><br/> + Note: there are also other ROM images for X60<br/> + Note: this is using buspirate as the programmer, so it is flashing the X60, not the T60!<br/> + Here's my terminal window on the T60:<br/> + <img src="../images/x60_unbrick/0025.jpg" alt="" /><br/> + So, you should see the following:<br/> + -- + </p> +<pre> +flashrom v0.9.5.2-r1517 on Linux 3.2.0-61-generic (i686), built with libpci 3.1.8, GCC 4.6.3, little endian +flashrom is free software, get the source code at http://www.flashrom.org + +Calibrating delay loop... delay loop is unreliable, trying to continue OK. +Found Macronix flash chip "MX25L1605" (2048 kB, SPI) on buspirate_spi. +Reading old flash chip contents... done. +Erasing and writing flash chip... Erase/write done. +Verifying flash... VERIFIED. +</pre> + <p> + --<br/> + At the end it says "VERIFIED", which means that the procedure worked. If you see this, it means + that you can put your X60 back together. So let's do that now. + </p> + <p> + Remove the programmer and put it away somewhere. Put back the tape and press firmly over it:<br/> + <img src="../images/x60_unbrick/0026.jpg" alt="" /> + </p> + <p> + Your empty chassis:<br/> + <img src="../images/x60_unbrick/0027.jpg" alt="" /> + </p> + <p> + Put the motherboard back in:<br/> + <img src="../images/x60_unbrick/0028.jpg" alt="" /> + </p> + <p> + Reconnect SATA:<br/> + <img src="../images/x60_unbrick/0029.jpg" alt="" /> + </p> + <p> + Put the plate back and re-insert those screws:<br/> + <img src="../images/x60_unbrick/0030.jpg" alt="" /> + </p> + <p> + Re-route that antenna cable around the fan and apply the tape:<br/> + <img src="../images/x60_unbrick/0031.jpg" alt="" /> + </p> + <p> + Route the cable here and then (not shown, due to error on my part) reconnect the monitor cable to the motherboard + and re-insert the screws:<br/> + <img src="../images/x60_unbrick/0032.jpg" alt="" /> + </p> + <p> + Re-insert that screw:<br/> + <img src="../images/x60_unbrick/0033.jpg" alt="" /> + </p> + <p> + Route the black antenna cable like so:<br/> + <img src="../images/x60_unbrick/0034.jpg" alt="" /> + </p> + <p> + Tuck it in neatly like so:<br/> + <img src="../images/x60_unbrick/0035.jpg" alt="" /> + </p> + <p> + Route the modem cable like so:<br/> + <img src="../images/x60_unbrick/0036.jpg" alt="" /> + </p> + <p> + Connect modem cable to board and tuck it in neatly like so:<br/> + <img src="../images/x60_unbrick/0037.jpg" alt="" /> + </p> + <p> + Route the power connection and connect it to the board like so:<br/> + <img src="../images/x60_unbrick/0038.jpg" alt="" /> + </p> + <p> + Route the antenna and modem cables neatly like so:<br/> + <img src="../images/x60_unbrick/0039.jpg" alt="" /> + </p> + <p> + Connect the wifi antenna cables. At the start of the tutorial, this machine had an Intel wifi chip. Here you see I've replaced it with an + Atheros AR5B95 (supports 802.11n and can be used without blobs):<br/> + <img src="../images/x60_unbrick/0040.jpg" alt="" /> + </p> + <p> + Connect the modem cable:<br/> + <img src="../images/x60_unbrick/0041.jpg" alt="" /> + </p> + <p> + Connect the speaker:<br/> + <img src="../images/x60_unbrick/0042.jpg" alt="" /> + </p> + <p> + You should now have this:<br/> + <img src="../images/x60_unbrick/0043.jpg" alt="" /> + </p> + <p> + Re-connect the upper chassis:<br/> + <img src="../images/x60_unbrick/0044.jpg" alt="" /> + </p> + <p> + Re-connect the keyboard:<br/> + <img src="../images/x60_unbrick/0045.jpg" alt="" /> + </p> + <p> + Re-insert the screws that you removed earlier:<br/> + <img src="../images/x60_unbrick/0046.jpg" alt="" /> + </p> + <p> + Power on!<br/> + <img src="../images/x60_unbrick/0047.jpg" alt="" /> + </p> + <p> + Trisquel live USB menu (using GRUB's ISOLINUX parser):<br/> + <img src="../images/x60_unbrick/0048.jpg" alt="" /> + </p> + <p> + Trisquel live desktop:<br/> + <img src="../images/x60_unbrick/0049.jpg" alt="" /> + </p> + +<hr/> + + <p> + Copyright © 2014 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> + +</body> +</html> |