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ThinkPad T60: Recovery guide

This section documents how to recover from a bad flash that prevents your ThinkPad T60 from booting.

Back to previous index

- -

- Types of brick: -
- Brick type 1: bucts not reset
- Brick type 2: bad rom (or user error), system won't boot
-

- -

Brick type 1: bucts not reset.

- 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.

- - 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:
-

- - *Those dd commands should be applied to all newly compiled T60 ROM images (the ROM images in libreboot binary archives already have this applied!):
- dd if=coreboot.rom of=top64k.bin bs=1 skip=$[$(stat -c %s coreboot.rom) - 0x10000] count=64k
- dd if=coreboot.rom bs=1 skip=$[$(stat -c %s coreboot.rom) - 0x20000] count=64k | hexdump
- dd if=top64k.bin of=coreboot.rom bs=1 seek=$[$(stat -c %s coreboot.rom) - 0x20000] count=64k conv=notrunc
- (doing this makes the ROM suitable for use when flashing a system that still has Lenovo BIOS running, - using those instructions: http://www.coreboot.org/Board:lenovo/x60/Installation. - (it says x60, but instructions for t60 are identical) -

- -

bad rom (or user error), system won't boot

- -

- 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. -

- "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). -

- -

- Remove those screws and remove the HDD:
- -

- -

- Lift off the palm rest:
- -

- -

- Lift up the keyboard, pull it back a bit, flip it over like that and then disconnect it from the board:
- -

- -

- Gently wedge both sides loose:
- -

- -

- Remove that cable from the position:
- -

- -

- Now remove that bezel. Remove wifi, nvram battery and speaker connector (also remove 56k modem, on the left of wifi):
- -

- -

- Remove those screws:
- -

- -

- Disconnect the power jack:
- -

- -

- Remove nvram battery:
- -

- -

- Disconnect cable (for 56k modem) and disconnect the other cable:
- -

- -

- Disconnect speaker cable:
- -

- -

- Disconnect the other end of the 56k modem cable:
- -

- -

- Make sure you removed it:
- -

- -

- Unscrew those:
- -

- -

- Make sure you removed those:
- -

- -

- Disconnect LCD cable from board:
- -

- -

- Remove those screws then remove the LCD assembly:
- -

- -

- Once again, make sure you removed those:
- -

- -

- 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:
- - -

- -

- Now wire up the BBB and the Pomona with your PSU.
- Refer to bbb_setup.html for how to setup - the BBB for flashing.
- 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)
-
- Correlate the following with the BBB guide linked above: -

-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 ===
-This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.
-

- -

- Connect the pomona from the BBB to the flash chip. No pics unfortunately. (use the text diagram above). -

- -

- Flashrom binaries for ARM (tested on a BBB) are distributed in libreboot_util. Alternatively, - libreboot also distributes flashrom source code which can be built. -

- -

- SSH'd into the BBB:
- # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w yourrom.rom -

- It should be Verifying flash... VERIFIED at the end. If flashrom complains about multiple flash chip - definitions detected, then choose one of them following the instructions in the output. -

- -

- Put those screws back:
- -

- -

- Put it back into lower chassis:
- -

- -

- Attach LCD and insert screws (also, attach the lcd cable to the board):
- -

- -

- Insert those screws:
- -

- -

- 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
- -

- -

- Attach the heatsink and install the screws (also, make sure to install the AC jack as highlighted):
- -

- -

- Reinstall that upper bezel:
- -

- -

- Do that:
- -

- -

- 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. -

- -

- Attach keyboard and install nvram battery:
- -

- -

- Place keyboard and (sorry, forgot to take pics) reinstall the palmrest and insert screws on the underside:
- -

- -

- It lives!
- -

- -

- Always stress test ('stress -c 2' and xsensors. below 90C is ok) when replacing cpu paste/heatsink:
- -

- -

- Copyright © 2014, 2015 Leah Rowe <info@minifree.org>
- Permission is granted to copy, distribute and/or modify this document - under the terms of the Creative Commons Attribution-ShareAlike 4.0 International license - or any later version published by Creative Commons; - - A copy of the license can be found at ../cc-by-sa-4.0.txt -

- -

- Updated versions of the license (when available) can be found at - https://creativecommons.org/licenses/by-sa/4.0/legalcode -

- -

- 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. -

- 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. -

- 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. -

- -

- - - -- cgit v1.2.3-70-g09d2

ThinkPad T60: Recovery guide

Table of Contents

Brick type 1: bucts not reset.

bad rom (or user error), system won't boot