Lenovo Thinkpad Yoga

Author(s)

Introduction

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Specifications

NameLenovo Thinkpad Yoga (S1 in some countries)
Processor4th Gen Intel® Core™ i7-4500U (1.80GHz 1600MHz 4MB)
4th Gen Intel® Core™ i5-4200U (1.60GHz 1600MHz 3MB
Screen12.5“ FHD IPS (1920 x 1080) 400 nits 10-finger multitouch display
Wacom digitizer with pen comes as an option
RAMUp to 8GB PC3-12800 DDR3L SDRAM 1600 MHz Memory
HDD128GB / 256GB SSD
Samsung SSD 840 Pro
Optical DriveNone
GraphicsIntegrated Intel HD graphics 4400
NetworkNo Ethernet
Intel® Wireless-N 7260 2 x 2 11 BGN+BT
Intel® Dual Band Wireless-11 AC 7260 2 x 2 +BT

Linux Compatibility

DeviceCompatibilityComments
ProcessorYesAfter wake-up from suspend the CPU is stuck in turbo-mode.
Never clocks down below 2.6GHz. Know problem with Haswell and Linux.
Seems to work at least from kernel 3.17.
ScreenYes
Digitizer and penYes
HDDYes
Graphics ChipYes
HDMI PortYesType D Micro
Touch ScreenYesMultitouch works with Touchégg
SoundYesChanging volume works with both hardware keys on the side and Fn-keys.
Bulti-in MicrophoneYes
Headphone JackYes
WirelessYesStability problems. Mostly on 5GHz but also som random disconnects on 2.4GHz.
Does not support AC on Linux.
Stable and with AC support with iwlwifi firmware 23.11.10.0 and kernel 3.17+.
BluetoothYes
USBYes
Card ReaderYes
WebcamYes
Touch PadYes
Track PointYes
Suspend/ResumeYes
Rotation sensorsYesScripts available. See notes.

Notes

Wireless

Stable and with AC support with iwlwifi firmware 23.11.10.0 and kernel 3.17+.

3.16 and earlier kernels:
Problems with dropped connections, mainly on 5GHz but 2.4GHz suffers from it to. Some improvment by upgrading to WPA Supplicant 2.0.
Turning off IPv6 and using a static IP helped some, mainly by cutting down the time for renegotiation.

Screen rotate

For automatic screen rotation.
thinkpad-yoga-scripts (GIT)

A script with both CLI and qt GUI is available for manualy changing between laptop and tablet modes.
Spin

Summary


Discussion

Beau Breon, 2015/02/07 05:38

I have the S1 model but it seems to be mostly identical. One problem I ran into is that the touchscreen stops working after suspending. I found an easy fix for this on the following forum thread: https://bbs.archlinux.org/viewtopic.php?pid=1490859 .

Basically you just need to set the system up to:

  rmmod hid_multitouch && modprobe hid_multitouch

after the system resumes.

On the other I would love to know if anyone else experiences the Samsung SSD drive going into read only mode regularly? I haven't really taken the time to troubleshoot this yet but it is pretty annoying.

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lenovo_thinkpad_yoga.txt · Last modified: 2015/02/23 20:29 by ludvig
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