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161 lines
5.7 KiB
Markdown
161 lines
5.7 KiB
Markdown
---
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title: Install Canoeboot on Lenovo ThinkPad X60
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x-toc-enable: true
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...
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Open source BIOS/UEFI firmware
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------------------------------
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This document will teach you how to install Canoeboot, on your
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Lenovo ThinkPad X60 laptop motherboard.
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Canoeboot is a [Free Software](https://writefreesoftware.org/learn) project
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that replaces proprietary BIOS/UEFI firmware.
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"Unbricking" means flashing a known-good (working) ROM. The problem:
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you can't boot the system, making this difficult. In this situation,
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external hardware is needed which can flash the SPI chip (where Canoeboot
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resides). First, disassemble the machine using the following steps, and refer
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to the external flashing guide linked later from *this* guide.
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Remove those screws:\
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Push the keyboard forward (carefully):\
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Lift the keyboard up and disconnect it from the board:\
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Grab the right-hand side of the chassis and force it off (gently) and
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pry up the rest of the chassis:\
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You should now have this:\
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Disconnect the wifi antenna cables, the modem cable and the speaker:\
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Unroute the cables along their path, carefully lifting the tape that
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holds them in place. Then, disconnect the modem cable (other end) and
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power connection and unroute all the cables so that they dangle by the
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monitor hinge on the right-hand side:\
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Disconnect the monitor from the motherboard, and unroute the grey
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antenna cable, carefully lifting the tape that holds it into place:\
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Carefully lift the remaining tape and unroute the left antenna cable so
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that it is loose:\
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Remove the screw that is highlighted (do NOT remove the other one; it
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holds part of the heatsink (other side) into place):\
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Remove those screws:\
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Carefully remove the plate, like so:\
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Remove the SATA connector:\
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Now remove the motherboard (gently) and cast the lcd/chassis aside:\
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Lift back that tape and hold it with something. Highlighted is the SPI
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flash chip:\
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Here is another photo, with the numbers of the pins written:\
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\
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This photo shows an SPI flasher used, with SOIC8 test clip:\
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Refer to the following guide:\
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[Externally rewrite 25xx NOR flash via SPI protocol](spi.md)
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NOTE: Do not use the 3.3v rail from your raspberry pi. Leave that disconnected.
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For 3.3v, plug your charger into the motherboard (but do not power on the motherboard)
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when the clip is connected. Before removing the clip, disconnect the charger.
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This will provide adequate 3.3v DC at correct current levels. The SPI flash on an
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X60 shares a common 3.3V rail with many other components on the motherboard,
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which all draw a lot of current, more than your programmer can provide.
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When you're finished flashing, remove the programmer and put it away somewhere.
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Put back the tape and press firmly over it:\
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Your empty chassis:\
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Put the motherboard back in:\
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Reconnect SATA:\
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Put the plate back and re-insert those screws:\
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Re-route that antenna cable around the fan and apply the tape:\
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Route the cable here and then (not shown, due to error on my part)
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reconnect the monitor cable to the motherboard and re-insert the
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screws:\
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Re-insert that screw:\
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Route the black antenna cable like so:\
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Tuck it in neatly like so:\
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Route the modem cable like so:\
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Connect modem cable to board and tuck it in neatly like so:\
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Route the power connection and connect it to the board like so:\
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Route the antenna and modem cables neatly like so:\
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Connect the wifi antenna cables. At the start of the tutorial, this
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system had an Intel wifi chip. Here you see I've replaced it with an
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Atheros AR5B95 (supports 802.11n and can be used without blobs):\
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Connect the modem cable:\
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Connect the speaker:\
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You should now have this:\
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Re-connect the upper chassis:\
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Re-connect the keyboard:\
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Re-insert the screws that you removed earlier:\
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Power on!\
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Operating system:\
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