This is an old revision of this page, as edited by
bwbarker at
04:20, 19 July 2012. It may differ significantly from the
Current revision.
model: Thinkpad T420(model id: 680)
subtype (notebook, netbook, motherboard, tablet):
notebook
architecture:
x86-64/amd64
does it have a free boot firmware (BIOS,UEFI,...) ?
no
can free operating systems be installed?
yes
does the device prevent installing wifi cards not-approved by the vendor?
not-specified
year of commercialization:
2011
compatibility with free software:
A-platinum 
tested on:
Trisquel 5.5 Brigantia
tested with the following kernel libre:
3.0.0-17-generic
video card model:
Intel 2nd Generation Core Integrated Graphics Controller [8086:0126] (rev 09) (works with 3D acceleration)
wifi model:
Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01) (it does not work)
webcam model:
04f2:b221 Chicony Electronics Co., Ltd integrated camera (it works)
Description:
Tested with LiveCD. Bluetooth works on startup. All multimedia keys work on startup except for microphone mute. This includes screen brightness and keyboard light.
0a5c:217f Broadcom Corp. Bluetooth Controller
Cores: 4
Processor: Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz
Frequency stepping is allowed
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