Ubuntu on Lenovo B4400s

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The Lenovo B4400s notebook with the components described below has been awarded the status of certified pre-install for Ubuntu.

Please note that for pre-installed systems:

  1. The system is available in some regions with a special image of Ubuntu pre-installed by the manufacturer. It takes advantage of the hardware features for this system and may include additional software. You should check when buying the system whether this is an option.
  2. Standard images of Ubuntu may not work at all on the system or may not work well, though Canonical and computer manufacturers will try to certify the system with future standard releases of Ubuntu.

Ubuntu 12.04.2 LTS 64-bit

Pre-installed by manufacturer

Certification notes

Bluetooth audio
Bluetooth audio does not work on this system
Hybrid Video
Some versions of this system come with two different graphics processors: an Intel UMA on-board adapter and an additional GPU from either nVidia or ATI. On this system, only the Intel graphics chip has been tested and certified. The use of the additional GPU is not supported for this release.
BIOS
Lenovo: J8ET24WW (1.05 ) (Legacy)

Hardware overview

This system was tested with these key components:

Accelerometer

Advanced Silicon S.A. Acer BMA150 accelerometer

Audio

Intel Haswell-ULT HD Audio Controller

Intel Lynx Point-LP HD Audio Controller

Intel Unknown

BIOS

Lenovo J8ET24WW (1.05 )

Bluetooth

Intel Unknown

Board

Lenovo 8142O01

Capture

Acer Webcam

Chassis

Lenovo Notebook

Disk

Advanced Silicon S.A. WDC WD3200LPVX-08V0TT2

Keyboard

Advanced Silicon S.A. AT Translated Set 2 keyboard

Network

Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller

Other

Advanced Silicon S.A. HDA Intel MID HDMI/DP,pcm=3

Advanced Silicon S.A. HDA Intel PCH Headphone

Advanced Silicon S.A. HDA Intel PCH Mic

Advanced Silicon S.A. Lid Switch

Advanced Silicon S.A. Power Button

Advanced Silicon S.A. Sleep Button

Advanced Silicon S.A. ThinkPad Extra Buttons

Advanced Silicon S.A. Video Bus

nVidia GF117M [GeForce 610M/710M / GT 620M/625M/630M/720M] GeForce 710M

Intel Haswell-ULT DRAM Controller

Intel Lynx Point-LP SATA Controller 1 [AHCI mode]

Intel Lynx Point-LP PCI Express Root Port 1

Intel Lynx Point-LP PCI Express Root Port 2

Intel Lynx Point-LP HECI #0

Intel Lynx Point-LP LPC Controller

Linux Foundation 2.0 root hub

Linux Foundation 3.0 root hub

Intel Unknown

Processor

Intel Intel(R) Celeron(R) 2955U @ 1.40GHz

Touchpad

Advanced Silicon S.A. SynPS/2 Synaptics TouchPad

Usb

Intel Lynx Point-LP USB EHCI #1

Intel Lynx Point-LP USB xHCI HC

Video

Intel Haswell-ULT Integrated Graphics Controller

Wireless

Intel Wireless 7260