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ThinkPad X220

This page gives an overview of all ThinkPad X220 related topics.

Machine Type

  • 4287, 4290, 4291


ThinkPad X220



  • The CPU speed will be throttled back to 800MHz if the machine is run on the 65W AC adapter with no battery installed. To avoid this throttling
    • run on a 90W AC adapter, or
    • install a battery pack.
  • It's possible to use a mSATA SSD within the second MiniPCI Express slot. Using an Intel Series 310 mSATA SSD requires a UEFI-BIOS 1.19.
  • X220s will not boot GPT drives using Legacy BIOS, you have to use UEFI.

Pages in category "X220"

The following 66 pages are in this category, out of 66 total.