Lenovo ThinkPad S440
Hardware Overview
- CPU: Intel i3-4xxx/i5-4xxx/i7-4xxx (Haswell)
- Screen: 14" HD+ 1600x900
- Ethernet: Realtek 8168/8111 [re(4)], works
- Wireless: Intel Dual Band AC 7260 [iwm(4)], works
- Bluetooth: Not supported by iwm(4)?
Graphics: Intel HD 4400 [intel(4x)], works (eDP1 and HDMI) using the ongoing DRM-next project
Sound: Intel Haswell [snd_hda(4)], works for speakers, headphones need a /boot/device.hints hack, HDMI sound not supported yet
Interface: Synaptics touchpad and ThinkPad TrackPoint [psm(4)], work
- Storage: 119G SSD
SD card reader: Realtek RTS5227 PCI Express Card Reader, doesn’t work (waiting for rtsx(4) port from OpenBSD)
Fingerprint scanner: Validity Fingerprint VFS 5011, works albeit buggy (Bugzilla)
Notes
Boots from UEFI USB memstick (CURRENT, i915 kernel) with vt(4), 1600x900 via efifb
Annoying ACPI exceptions (Bugzilla)
- acpi_video(4) provides brightness control (see above)
- acpi_ibm(4) functionality not fully tested
- coretemp(4) works
- Suspend works OK; Resume does NOT (wakes up, but doesn't resume, not tested without USB stick).
Supports UEFI and SecureBoot, but both can be disabled in the BIOS