From 4c3d46238022f0c9955ae7e8b10c9f1716dd871a Mon Sep 17 00:00:00 2001 From: Francis Rowe Date: Wed, 04 Feb 2015 04:14:49 -0500 Subject: Documentation: implement theme, drastically improve readability --- (limited to 'docs/install/x60tablet_unbrick.html') diff --git a/docs/install/x60tablet_unbrick.html b/docs/install/x60tablet_unbrick.html index 0510867..3623482 100644 --- a/docs/install/x60tablet_unbrick.html +++ b/docs/install/x60tablet_unbrick.html @@ -8,120 +8,125 @@ @import url('../css/main.css'); - Libreboot documentation: Unbricking the ThinkPad X60 Tablet + Unbricking the ThinkPad X60 Tablet -
-

Unbricking the ThinkPad X60

- -
- -

Or go back to main index

- -

Table of Contents

- - -

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 X60 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 machine that still has Lenovo BIOS running, - using those instructions: http://www.coreboot.org/Board:lenovo/x60/Installation. -

- -

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

-

- 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. -

-

- "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). -

- -

- -

- -

- Remove those screws:
- -

- -

- Remove the HDD:
- -

- -

- Push keyboard forward to loosen it:
- -

- -

- Lift:
- -

- -

- Remove those:
- -

- -

+

+

Unbricking the ThinkPad X60 Tablet

+

This guide will show you how to recover from a bad flash that prevents your ThinkPad X60 Tablet from booting.

+

Back to previous index

+
+ +
+

Table of Contents

+ +
+ +
+

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 X60 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 machine that still has Lenovo BIOS running, + using those instructions: http://www.coreboot.org/Board:lenovo/x60/Installation. +

+
+ +
+ +

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

+

+ 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. +

+

+ "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). +

+ +

+ +

+ +

+ Remove those screws:
+ +

+ +

+ Remove the HDD:
+ +

+ +

+ Push keyboard forward to loosen it:
+ +

+ +

+ Lift:
+ +

+ +

+ Remove those:
+ +

+ +

+ + +

+ +

+ Also remove that (marked) and unroute the antenna cables:
+ +

+ +

+ For some X60T laptops, you have to unroute those too:
+ +

+ +

+ Remove the LCD extend board screws. Also remove those screws (see blue marks) and remove/unroute the cables and remove the metal plate:
+ +

+ +

+ Remove that screw and then remove the board:
+ +

- -

- -

- Also remove that (marked) and unroute the antenna cables:
- -

- -

- For some X60T laptops, you have to unroute those too:
- -

- -

- Remove the LCD extend board screws. Also remove those screws (see blue marks) and remove/unroute the cables and remove the metal plate:
- -

- -

- Remove that screw and then remove the board:
- -

- -

- 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 X60 Tablet: - if you don't have or don't want to use an external PSU, then make - sure not to connect the red/black 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: -

+

+ 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 X60 Tablet: + if you don't have or don't want to use an external PSU, then make + sure not to connect the red/black 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:
 ===  golden finger and wifi switch ====
@@ -133,37 +138,41 @@ POMONA 5250:
 This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.
-

- Connecting the BBB and pomona (in this image, an external 3.3v DC PSU was used):
- -

+

+ Connecting the BBB and pomona (in this image, an external 3.3v DC PSU was used):
+ +

+ +

+ 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. +

+ +

+ Reverse the steps to re-assemble your machine. +

+ +
+ +

- 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. + Copyright © 2014, 2015 Francis Rowe <info@gluglug.org.uk>
+ 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 ../license.txt.

- Reverse the steps to re-assemble your machine. + 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 ../license.txt for more information.

- -
- -

- Copyright © 2014 Francis Rowe <info@gluglug.org.uk>
- 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 ../license.txt. -

- -

- 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 ../license.txt for more information. -

+ +
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