Home » Hardware » portátiles » ThinkPad T420
portátil ThinkPad T420
modelo: ThinkPad T420(id del modelo: 680)
subtipo (computadores portátiles, netbook, tarjeta madre, tablet):
computadores portátiles
fabricante:
Lenovo
arquitectura:
x86-64/amd64
¿tiene un firmware boot (BIOS, UEFI,..) libre?
no
¿puede ser instalado un sistema libre?
si
¿el dispositivo evita la instalación de tarjetas inalámbricas no aprobadas por el distribuidor?
si (vea los detalles dentro del campo de descripción)
año de comercialización:
2011
compatibilidad con software libre:
C-plata
probado con:
Trisquel 5.5 Brigantia
probado con el siguiente kernel libre:
3.0.0-17-generic
modelo de tarjeta de video:
Intel 2nd Generation Core Integrated Graphics Controller [8086:0126] (rev 09) (funciona con aceleración 3D)
modelo de tarjeta de red inalámbrica:
Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01) (no funciona)
modelo de cámara web:
04f2:b221 Chicony Electronics Co., Ltd integrated camera (funciona)
Descripción:
Wifi card whitelist

All thinkpads have a Wifi card whitelist at the BIOS level that prevent installing certain WiFi cards. The restriction can be bypassed with a BIOS modification: either installing Libreboot, Coreboot or editing the official Lenovo/IBM BIOS.

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

lspci -vmmnn

Slot:	00:00.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	2nd Generation Core Processor Family DRAM Controller [0104]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	09

Slot:	00:02.0
Class:	VGA compatible controller [0300]
Vendor:	Intel Corporation [8086]
Device:	2nd Generation Core Processor Family Integrated Graphics Controller [0126]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	09

Slot:	00:16.0
Class:	Communication controller [0780]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family MEI Controller #1 [1c3a]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04

Slot:	00:19.0
Class:	Ethernet controller [0200]
Vendor:	Intel Corporation [8086]
Device:	82579LM Gigabit Network Connection [1502]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04

Slot:	00:1a.0
Class:	USB controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [1c2d]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04
ProgIf:	20

Slot:	00:1b.0
Class:	Audio device [0403]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family High Definition Audio Controller [1c20]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04

Slot:	00:1c.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family PCI Express Root Port 1 [1c10]
Rev:	b4

Slot:	00:1c.1
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family PCI Express Root Port 2 [1c12]
Rev:	b4

Slot:	00:1c.3
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family PCI Express Root Port 4 [1c16]
Rev:	b4

Slot:	00:1c.4
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family PCI Express Root Port 5 [1c18]
Rev:	b4

Slot:	00:1d.0
Class:	USB controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [1c26]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04
ProgIf:	20

Slot:	00:1f.0
Class:	ISA bridge [0601]
Vendor:	Intel Corporation [8086]
Device:	QM67 Express Chipset Family LPC Controller [1c4f]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04

Slot:	00:1f.2
Class:	SATA controller [0106]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [1c03]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04
ProgIf:	01

Slot:	00:1f.3
Class:	SMBus [0c05]
Vendor:	Intel Corporation [8086]
Device:	6 Series/C200 Series Chipset Family SMBus Controller [1c22]
SVendor:	Lenovo [17aa]
SDevice:	Device [21ce]
Rev:	04

Slot:	03:00.0
Class:	Network controller [0280]
Vendor:	Realtek Semiconductor Co., Ltd. [10ec]
Device:	RTL8188CE 802.11b/g/n WiFi Adapter [8176]
SVendor:	Realtek Semiconductor Co., Ltd. [10ec]
SDevice:	Device [8195]
Rev:	01

Slot:	0d:00.0
Class:	System peripheral [0880]
Vendor:	Ricoh Co Ltd [1180]
Device:	MMC/SD Host Controller [e822]
SVendor:	Lenovo [17aa]
SDevice:	Device [2133]
Rev:	05
ProgIf:	01

lspci -nnk

00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: i915
	Kernel modules: i915
00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: mei
	Kernel modules: mei
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: e1000e
	Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd-hda-intel
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.3 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 [8086:1c16] (rev b4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.4 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 [8086:1c18] (rev b4)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: ehci_hcd
00:1f.0 ISA bridge [0601]: Intel Corporation QM67 Express Chipset Family LPC Controller [8086:1c4f] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel modules: iTCO_wdt
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
	Subsystem: Lenovo Device [17aa:21ce]
	Kernel modules: i2c-i801
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
	Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:8195]
	Kernel driver in use: rtl8192ce
	Kernel modules: rtl8192ce
0d:00.0 System peripheral [0880]: Ricoh Co Ltd MMC/SD Host Controller [1180:e822] (rev 05)
	Subsystem: Lenovo Device [17aa:2133]
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci-pci

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