Lenovo ThinkPad X140e - ArchWiki

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# Lenovo ThinkPad X140e

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Related articles

- IBM ThinkPad X100e
- IBM ThinkPad X120e

## Wireless

The Thinkpad x140e is available from Lenovo with one of two wireless cards:

- A BGN solution of unknown chipset.
- A Broadcom ABGN Wifi / BT4.0 card which is currently not supported by the `b43` driver. Ideally, use driver `broadcom-wl`. See Broadcom wireless for details.

As of BIOS 2.05, the X140e supports Lenovo branded mPCIe Intel 802.11 ac/a/b/g/n. However no X140e is currently sold with this wifi option. This card is supported out of the box by Arch. The only tested and confirmed FRU is 04W3814.

## Power management

If your X140e hangs on suspend, use the following: echo 0 > /sys/power/pm_async and try again.

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- Lenovo

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