Lenovo ThinkPad T420s
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Hardware
Standard
| Device | Make/model | Status | Vendor ID / Product ID | Kernel driver(s) | Kernel version | Notes |
|---|---|---|---|---|---|---|
| CPU | N/A | Works | N/A | N/A | N/A | |
| GPU | Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller | Works | N/A | i915 | N/A | |
| Ethernet | Intel Corporation 82579LM Gigabit Network Connection | Works | N/A | N/A | N/A | |
| Wi-Fi | Intel Corporation Centrino Ultimate-N 6300 | Works | N/A | iwlwifi | N/A | |
| Card Reader | Ricoh Co Ltd MMC/SD Host Controller | Works | N/A | N/A | N/A |
root #lspci (partial output, recovered from the history)00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04) 00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4) 00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4) 00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b4) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04) 03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 3e) 05:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 07) 0d:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
Installation
Kernel
FILE
.configCONFIG_DRM_I915
CONFIG_DRM_I915_KMS
CONFIG_SERIAL_CORE
CONFIG_E1000E
CONFIG_USB_EHCI_PCI
CONFIG_SND_HDA_INTEL
CONFIG_USB_EHCI_PCI
CONFIG_SATA_AHCI
CONFIG_I2C_I801
CONFIG_IWLWIFI
CONFIG_MMC_SDHCI
CONFIG_MMC_SDHCI_PCI
Emerge
FILE
/etc/portage/make.confCPU_FLAGS_X86="aes avx mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3"
VIDEO_CARDS="intel i965"
INPUT_DEVICES="evdev synaptics"
Configuration
Fan control
Fan control needs to be explicitly allowed:
FILE
/etc/modprobe.d/thinkpad_acpi.confoptions thinkpad_acpi fan_control=1
Turn off:
root #echo level 0 > /proc/acpi/ibm/fanMaximum measured speed:
root #echo level 7 > /proc/acpi/ibm/fanAutomatic speed (default):
root #echo level auto > /proc/acpi/ibm/fanMaximum speed:
root #echo level disengaged > /proc/acpi/ibm/fan