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# Lenovo ThinkPad X201 Tablet

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Reason: Needs hardware table and a function keys section (Discuss in Talk:Lenovo ThinkPad X201 Tablet)

## Power management

### Fan control

There are some discussions concerning overheating-related shutdowns when running under full load (video encoding, etc) ([1] [2]).

ThinkPad Fan Control contains instructions to install tpfand as a custom replacement for hardware (bios-) fan control.

### Kernel parameters

Add these kernel parameters to make use of power saving mechanisms which are turned off by default because of reported instabilities.

Warning These options can cause instability on your system! Try them and remove them if you are experiencing problems.

    i915_enable_rc6=1 i915_enable_fbc=1

## Firmware

### Using non-Lenovo Network cards

If you get

     1802: Unauthorized network card is plugged in - Power off and remove the miniPCI network card.

on boot, that means your BIOS does not include that specific card in its whitelist. The only option is either coreboot or a custom BIOS with the whitelist "disabled".

Such a bios can be found at this forum post at mydigitallife.info.

You can either use Windows to flash, or a DOS boot disk with phlash16.exe and the 02C2100.ROM from the forum post's rar like I did. To do it this way, first upgrade the BIOS to the latest version from Lenovo. Then, rename "02C2100.ROM" to "BIOS.WPH", save it to your DOS boot disk and run phlash16.exe.

## See also

- https://www.thinkwiki.org/wiki/Category:X201_Tablet

Category:

- Lenovo

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- Pages or sections flagged with Template:Laptop style

Lenovo ThinkPad X201 Tablet
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