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Diffstat (limited to 'docs/install/t60_unbrick.html')
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1 files changed, 28 insertions, 68 deletions
diff --git a/docs/install/t60_unbrick.html b/docs/install/t60_unbrick.html index c2b26e64..8d7ab9de 100644 --- a/docs/install/t60_unbrick.html +++ b/docs/install/t60_unbrick.html @@ -22,8 +22,6 @@ <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> @@ -33,22 +31,6 @@ </li> </ul> - <h1 id="hardware_requirements">Hardware requirements</h1> - <ul> - <li>a 2nd computer (maybe another T60. 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> - <li>rubbing or isopropyl alcohol and thermal compound for changing CPU heatsink (procedure involves removing heatsink)</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 @@ -173,63 +155,41 @@ <img src="../images/t60_dev/0027.JPG" alt="" /> <img src="../images/t60_dev/0028.JPG" alt="" /> <img src="../images/t60_dev/0029.JPG" alt="" /> <img src="../images/t60_dev/0031.JPG" alt="" /> <img src="../images/t60_dev/0032.JPG" alt="" /> <img src="../images/t60_dev/0033.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 T60: + 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)</b><br/> + <img src="../images/t60_dev/0030.JPG" alt="" /><br/> + Correlate the following with the BBB guide linked above: + </p> +<pre> +POMONA 5250: +=== DVD drive ==== + 18 - - 1 + 22 - - NC ---- RAM is on this end + NC - - 21 + 3.3V PSU RED - - 17 - this is pin 1 on the flash chip +=== audio jacks === +<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> - 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/> - (it says X60 but instructions are virtually the same for the T60, with except to physical differences in how to disassemble the machine)<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/t60_dev/0030.JPG" alt="" /> - </p> - - <p> - Connecting the pomona:<br/> - <img src="../images/t60_dev/0034.JPG" alt="" /> - </p> - - <p> - Connect programmer to 2nd computer:<br/> - <img src="../images/t60_dev/0035.JPG" alt="" /> - </p> - - <p> - Programmer has power:<br/> - <img src="../images/t60_dev/0036.JPG" alt="" /> + Connect the pomona from the BBB to the flash chip. No pics unfortunately. (use the text diagram above). </p> <p> - Now flash the bricked machine using the 2nd computer. in my case I did:<br/> - <b>flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -w bin/t60/libreboot_usqwerty.rom</b><br/> - Note: there are also other ROM images for T60<br/> - Note: this is using buspirate as the programmer, so it is flashing the T60, not the 2nd computer!<br/> - Here's my terminal window on the 2nd computer (also the programmer is active):<br/> - <img src="../images/t60_dev/0037.JPG" alt="" /> <img src="../images/t60_dev/0038.JPG" alt="" /><br/> - So, you should see the following:<br/> - -- + SSH'd into the BBB:<br/> + # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w yourrom.rom</b> </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 T60 back together. So let's do that now. + 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> |