====== IBM Thinkpad T420 ======

===== Hardware Overview =====

  * CPU: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz (2491.96-MHz K8-class CPU)
  * Wireless: iwn0: %%<%%Intel Centrino Advanced-N 6205>
  * Wired: em %%<%%Intel PRO/1000> 
  * Graphics: Nvidia NVS 4200M
  * Bluetooth: Yes

===== Notes =====

  * acpi_ibm seems to work just fine.  No issues noted.
  * Suspend/resume does work! (with %%FreeBSD%%-head at r265781)
  * To make a dock appear as a secondary audio device, put the following in /boot/loader.conf

<code>
hint.hdaa.0.nid28.config="as=3 conn=Jack"
hint.hdaa.0.nid26.config="as=4 conn=Jack"
</code>

===== Articles =====

  * [[https://www.banym.de/install-freebsd-11-on-thinkpad-t420.html|Install FreeBSD 10.1 or FreeBSD 11 - CURRENT on Thinkpad T420]] ([[https://www.banym.de]], 2014.10.15)

===== Attachments =====

  * {{laptops/thinkpad_t420/devinfo.txt?linkonly|devinfo -v}}

===== TODO =====

  * Upload acpi table

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{{tag>Laptop}}
{{tag>Mobile}}
{{tag>Thinkpad}}