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hardwarerelated:thinkpad:thinkpad_l480 [2020/11/17 12:06] – [hardware notes] chris | hardwarerelated:thinkpad:thinkpad_l480 [2022/11/13 12:06] – external edit 127.0.0.1 | ||
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+ | ===== What is here? ===== | ||
+ | Some notes regarding the Lenovo Thinkpad L480. As of end 2018, it seems to be a good choice for an affordable laptop, with the hardware nicely supported under Linux. | ||
+ | ===== hardware notes ===== | ||
+ | * The power supply started to send out high frequency noise. | ||
+ | |||
+ | ===== hardware upgrade ===== | ||
+ | * **RAM:** up to 32GB supported, shipped with 1 S0DIMM 8GB DDR4-2400 1.2V. I got a second dimm: " | ||
+ | * **SSD:** M.2 PCIe NVMe, I replaced with: Crucial SSD M.2 1000GB P1 Series Type 2280 PCIe3.0x4 NVMe CT1000P1SSD8JP | ||
+ | |||
+ | ===== linux notes ===== | ||
+ | * **trackpad/ | ||
+ | * kernel options: " | ||
+ | * or executing 'echo -n elantech > / | ||
+ | * I installed Fedora29 with kernel options " | ||
+ | * **installation: | ||
+ | * **hyperthreading: | ||
+ | * **powertop: | ||
+ | * **drivers: | ||
+ | * Fedora29 (kernel 4.19) supports everything out of the box, just the trackpointer/ | ||
+ | * [[https:// | ||
+ | * **backlight: | ||
+ | * 'cat / | ||
+ | * 'echo 1000 >/ | ||
+ | * dnf -y install light; light -U 5 / light -A 5 | ||
+ | * **firmware update:** | ||
+ | * Fedora: "dnf -y install fwupd" | ||
+ | * fwupdmgr get-updates; | ||
+ | * Alternative, | ||
+ | * "dnf -y install geteltorito" | ||
+ | * get new firmware iso from [[https:// | ||
+ | * generate image with " | ||
+ | * use "dd if=biosfile.img of=/ | ||
+ | * boot the system from the usbstick. Disable usb-boot if required, enable classic boot. | ||
+ | * **sensors: | ||
+ | * The thinkwiki has hints on some sensors, but not for the L480: https:// | ||
+ | * I was surprised to see gkrellm report more sensor values than lm_sensor sees, running ' | ||
+ | * https:// | ||
+ | * 'cat / | ||
+ | < | ||
+ | [chris@電脳 thermal]$ for i in / | ||
+ | do cat $i/type $i/temp; done | ||
+ | acpitz | ||
+ | 37000 | ||
+ | INT3400 Thermal | ||
+ | 20000 | ||
+ | SEN1 | ||
+ | 28000 | ||
+ | pch_skylake | ||
+ | 34000 | ||
+ | B0D4 | ||
+ | 37000 | ||
+ | x86_pkg_temp | ||
+ | 37000 | ||
+ | iwlwifi | ||
+ | 32000 | ||
+ | [chris@電脳 thermal]$ | ||
+ | </ |