An unfortunate warning to all Thinkpad owners: Lenovo is whitelisting
all of its radio components (supposedly due to FCC regulatory demand),
meaning your cannot switch you "old" Intel wireless adapter that easily
without getting a dreaded BIOS error telling you to check on the card
(i.e. the system locks up and doesn't boot anymore). The only way around
this are BIOS hacks to either disable whitelisting completely or enable
each individual card's signature.

All in all, for a regular Thinkpad user, exchanging the radio component
isn't an option. You have been warned.

PS: All the more reason to give Intel shit about this bug still not
being fixed..

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https://bugs.launchpad.net/bugs/836250

Title:
  [Oneiric] [Regression] Intel Corporation Centrino Ultimate-N 6300 poor
  networking, packet loss and very slow Lenovo X201 and T500 laptops

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