Lenovo ThinkPad X201
The Lenovo X201 is a dual-core subnotebook produced by Lenovo.
| Hardware | PCI/USB ID | Working? |
|---|---|---|
| Touchpad | PS/2 | Yes |
| Keyboard | Yes | |
| GPU | 8086:0046 | Yes |
| Webcam | 17ef:4816 | Yes |
| Ethernet | 8086:10ea | Yes |
| Bluetooth | 0a5c:217f | Yes |
| Card reader | 0bda:0159 | Yes |
| Audio | 8086:3b56 | Yes |
| Wireless | 8086:4239 | Yes |
Backlight
Append the acpi_backlight=video kernel parameter.
Troubleshooting
Overheating
There are some discussions concerning overheating-related shutdowns when running under full load (video encoding, etc).
Use the following configuration :
can be used for frequency scaling; see Cpufrequtils for more information. Undervolting is not possible with the Intel core iX cpu.
No speaker output
Try pressing the mute button (next to the Escape key). See this article for details.
Display issues
See Intel graphics#AccelMethod and Intel graphics#DRI3 issues.
X201s: If planning to use VT-d, it is also recommended to add
intel_iommu=igfx_off
to the kernel parameters. see bug report.
Hardware virtualization
If KVM claims virtualization support is disabled in BIOS, even with VT-x enabled, disable Intel TXT.
gollark: Why do people *manually* drag wires around when they could presumably just say "thing A pin 8 should go to thing B pin 4" unreasonably frequently and have the graph™ graphed™.
gollark: I mean, it's probably NP-hard, but lots of things are.
gollark: Surely this should be automated by now.
gollark: GNU yes isn't even the maximally performant yes.
gollark: No other software can come close.
See also
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