Dell Precision 5520

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Notes for Installing Linux

You will need to disable Secure Boot in the BIOS. Repeatedly press F2 when turning on the laptop to get to the BIOS screen.

During installfest events, we'll use PxE booting (network booting) as an alternative to using so many flash drives/LiveUSB sticks. This will require some special configuration in the BIOS, see Installfest_PXE_Server for details. You will have to allow legacy boot & decrease thunderbolt security (to unauthenticated access) to get PxE booting over ethernet to work properly. Installation of Linux via UEFI/PxE booting on legacy boot works well for these laptops. You will need Dell's specific ethernet dongle to do PxE booting on them.

The GPU is based on the Maxwell architecture, which is not fully compatible with the FLOSS nouveau driver. You may need to install the nvidia proprietary driver or the bumblebee driver with nvidia for graphics to work. nouveau may not work well as a daily driver, but it is okay to have running during installation on a Live USB with a Linux distribution on it (it is the default of most distros to include nouveau instead of nvidia).

Notes for using NVMe drives

First, follow these instructions while switching (some detail is given below, but this has more detailed instructions, except for where to find the BIOS setting on the Dell laptop): https://support.thinkcritical.com/kb/articles/switch-windows-10-from-raid-ide-to-ahci

Boot into Windows normally, then enter an Admin Command Prompt, then type bcdedit /set {current} safeboot minimal.

Now, restart your computer and then enter the BIOS. To enter the BIOS, when turning on your computer, press the F2 key.

Then, click the + next to "System Configuration", then click on "SATA Operations", and change from RAID On to AHCI.

NOTE: I have tested booting Linux and Windows (201909 version with June 2020 patches) after changing the setting from RAID On to AHCI, so you can most likely ignore the warning. However, the worst case scenario is you may need to reinstall Windows - make a backup if you're concerned. Please tell us on Telegram if this has happened to you so we can help.

At the bottom-right corner of the screen, click "Apply Changes" and then "OK" (it doesn't matter if the settings are "Custom User Settings" - this only stores your BIOS settings so that you can restore them later if something goes wrong, you can either check it or uncheck it, up to you. You can ALWAYS restore to the default BIOS settings - this checkbox will not change that).

Then click "Exit".

Boot into Windows again, then enter an Admin Command Prompt, then type bcdedit /deletevalue {current} safeboot.

Reboot your computer. Test and see if Windows boots up normally (i.e. you can boot into it and Safe Mode should not appear after logging in). If so, congratulations! Move on to the next step. If not, retry the above steps. You can always revert back to "RAID On" at any time and Windows will likely still work. (Linux has no issues with switching.)

Next, add nvme_load=YES to the end of your kernel parameters. This is covered here: HP_ZBook_Studio_G4#Installing_Ubuntu_18.04_LTS_via_Flash_Drive (except instead of acpi_osi=! acpi_osi="Windows 2009" you will add nvme_load=YES)

Sources:

https://support.thinkcritical.com/kb/articles/switch-windows-10-from-raid-ide-to-ahci

https://superuser.com/questions/1022849/m-2-samsung-sm951-nvme-ssd-not-recognized-on-linux

https://www.dell.com/support/article/en-us/sln299303/loading-ubuntu-on-systems-using-pcie-m2-drives?lang=en

WiFi problems under Linux

If you must use WiFi right now, then try Ethernet or a personal hotspot over Bluetooth.

How to fix immediately:

In a terminal, run sudo dmesg | grep -e iwl.

Source (adapted from): https://old.reddit.com/r/kde/comments/ax89sf/wifi_connection_problems_kde_plasma/ehrrmva/

If you get an output similar to the following (there should be an error -110 and it should say "probe of (some number) failed"):

[ 4.409255] iwlwifi 0000:02:00.0: enabling device (0000 -> 0002) 
[ 5.273078] iwlwifi: probe of 0000:02:00.0 failed with error -110

Then the fix is:

  • Force shutdown (hold power button for more than 5 seconds).
  • Then reboot into Linux again; WiFi should work.

Source: https://old.reddit.com/r/pop_os/comments/l2ykc2/no_wifi_adapter_found_intel/gk9bg7s/

Why it works:

Grepping for iwl gets all the kernel messages specific to the Intel wifi driver.

The 0000:02:00.0 (random numbers) is the PCI device ID of the Intel wifi card. Technically, these numbers are not random, but I simplified it for the purposes of the tutorial. Really, it describes which bus (and the domain number, which is just a group of 256 PCI buses, among other things) the WiFi card is connected to on the motherboard, which maps to the Linux kernel. The Linux kernel decodes PCI data going into it by assigning it these numbers. https://prefetch.net/articles/linuxpci.html

The reason you get error -110 is usually because of a common issue with the computer's "hybrid shutdown" mode. The BIOS will preserve the "state" of the WiFi card presumably to make it faster to reboot. Linux unfortunately isn't able to recognize this "state".

Steps to (mostly) prevent this from happening in the future:

  • If dual booting, Windows has a "hybrid shutdown" mode that apparently disables WiFi cards sometimes.
    • One fix in the future is to:

go into Settings > Power & Sleep > Choose what power button does > Shut down setting > uncheck the Turn on fast startup > save change and it will work.

Source: https://old.reddit.com/r/pop_os/comments/l2ykc2/no_wifi_adapter_found_intel/gk9bg7s/

  • Sometimes, the BIOS does this at random occasions automatically. For example, if I plug in a different USB-C charger and it complains that the chargers are "not Dell chargers" (even though they work), then when rebooting, it will have already gone into "hybrid shutdown" mode.
    • Currently I don't know of a fix for preventing this behavior, other than disabling that warning, as well as the "low battery/critical battery/SupportAssist" warnings.
    • There may be others I haven't found yet.

Bumblebee for battery/power mgmt.

Bumblebee increases battery life on Linux by a lot. The ArchWiki page tells you how to install it.

If you accidentally install the nvidia or just vesa (NOT mesa, which is needed) driver (and maybe nouveau too) WITH bumblebee (happened to me on Manjaro Linux in the "Hardware Configuration" part of KDE settings when I got some weird dialog asking me to install vesa to uninstall an nvidia package, I forget what, or I might have just been experimenting), you'll need to uninstall them. In these cases, Linux may not boot to a login screen and you'll need to press Ctrl+Alt+F2 to get a shell (it says tty, that just means a virtual Linux terminal). Login as the root user/enter the root password you have set. You specifically need to install the bumblebee and possibly intel-mesa (?) drivers and uninstall the others using your package manager. See the page at the ArchWiki page for more detailed/better instructions/details on how to install/uninstall bumblebee/get the nvidia/intel drivers themselves back.

Touchpad scroll gestures, etc

(Historical information from March 2018):

I uninstalled libinput and installed libsynaptics or something to get reverse scrolling/less touchpad force needed (FingerXLow/FingerXHigh, similar to that) options using a config file. libinput is working on the issue right now.

You can also see if those options are in your distro's mouse settings. KDE is fixing this issue by making the descriptions more detailed/understandable.

UPDATE 4/22/2020:

Manjaro Linux still has issues with installing libsynaptics. It tries to remove libsynaptics and install libinput every time I update. I am using libinput even though there is currently no way to fix the trackpad sensitivity.

Disassembly

https://youtube.com/watch?v=D4eCtHLRvVo or https://invidio.us/watch?v=D4eCtHLRvVo

You will need Torx T4 screws to open most of the base (thanks Dell /s). Here is a link to a kit I use: https://www.amazon.com/Wiha-75965-Precision-Ratchet-65-Piece/dp/B00JQ753W8

The other 2 screws are Phillips head, and most screws inside the computer are also Phillips head.

Remember to keep your screws. Dell screws are special and you likely cannot replace them with other screws because they have a certain depth/pitch to them that most other screws don't. Another annoying thing.

Updating the BIOS

AlphaCubed recommends updating to v1.18.0 as of 6/13/2020. The reason why is because the latest update includes these changes (according to Dell):

- Modified battery algorithm to prolong lifespan and minimize risk of swelling.

- Added charger parameter update for battery protection mode.

You can either use fwupd through your distro's package manager (firmware version information here):

https://fwupd.org/lvfs/devices/com.dell.uefi34578c72.firmware

or by downloading the Windows utility here:

https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=xr7t1&oscode=wt64a&productcode=precision-15-5520-laptop

Tech Specs

The 2017 laptop given to Rose students has the following specs:

Processor Intel Core i7 7820HQ (2.9GHz stock, 3.9GHz boost, not overclockable)
RAM SK Hynix 16 GB @ 2400MHz DDR4 (2x8GB SODIMM sticks)
Solid State Drive 1 bay with SATA3 form factor, 1 bay with M.2 form factor (accepts M.2 SATA3 or M.2 NVMe)

SK Hynix SC311 SATA3 256 GB (approx. 238.42 GiB) Solid State Drive (theoretical max 600MB/s)
Spare drive bay (M.2 SATA or M.2 NVMe, theoretical max 3500MB/s)

Optical Drive None
Display 15.6" FHD 1920x1080
Video Card Nvidia Quadro M1200M w/ 4GB RAM (supports Vulkan and OpenGL)
Network Cards Intel Dual-Band 8265 802.11ac wireless, Gigabit (1Gb/s) Ethernet and PxE (network) boot via USB Type-C port using a compatible USB-C to Ethernet adapter
Battery 3 cell Lithium-Ion 56 WHr
USB (2) USB 3.0 and (1) Thunderbolt 3 (USB Type-C form factor)
Pointing Devices Synaptics Trackpad
External Video Port Dedicated HDMI port (and HDMI passthrough via Thunderbolt)
Integrated Webcam 720p integrated webcam
Network Accessories USB Type C to Ethernet adapter
Warranty 4 year with Accidental Damage Protection (ADP) (Note: Dell only allows one ADP claim in a 12 month period)
Other Ports and Sensors Microphone


lshw dump

This gives VERY detailed system information. It can come in handy. For Arch based distros, to install do sudo pacman -S lshw then sudo lshw and copy the output (or redirect it to a file like this: sudo lshw > hwinfo.txt then since it can only be read as root with sudo do chown YOUR_USERNAME:users hwinfo.txt).

LAPTOP_HOSTNAME_HERE        
    description: Notebook
    product: Precision 5520 (07BF)
    vendor: Dell Inc.
    serial: [redacted]
    width: 64 bits
    capabilities: smbios-3.0.0 dmi-3.0.0 smp vsyscall32
    configuration: boot=normal chassis=notebook family=Precision sku=07BF uuid=[redacted]
  *-core
       description: Motherboard
       product: 0R6JFH
       vendor: Dell Inc.
       physical id: 0
       version: A00
       serial: [redacted]
     *-firmware
          description: BIOS
          vendor: Dell Inc.
          physical id: 0
          version: 1.16.0
          date: 07/26/2019
          size: 64KiB
          capacity: 16MiB
          capabilities: pci pnp upgrade shadowing cdboot bootselect edd int13floppynec int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification netboot uefi
     *-memory
          description: System Memory
          physical id: 45
          slot: System board or motherboard
          size: 16GiB
        *-bank:0
             description: SODIMM DDR4 Synchronous Unbuffered (Unregistered) 2400 MHz (0.4 ns)
             product: HMA81GS6AFR8N-UH
             vendor: SK Hynix
             physical id: 0
             serial: [redacted]
             slot: DIMM A
             size: 8GiB
             width: 64 bits
             clock: 2400MHz (0.4ns)
        *-bank:1
             description: SODIMM DDR4 Synchronous Unbuffered (Unregistered) 2400 MHz (0.4 ns)
             product: HMA81GS6AFR8N-UH
             vendor: SK Hynix
             physical id: 1
             serial: [redacted]
             slot: DIMM B
             size: 8GiB
             width: 64 bits
             clock: 2400MHz (0.4ns)
     *-cache:0
          description: L1 cache
          physical id: 49
          slot: L1 Cache
          size: 256KiB
          capacity: 256KiB
          capabilities: synchronous internal write-back unified
          configuration: level=1
     *-cache:1
          description: L2 cache
          physical id: 4a
          slot: L2 Cache
          size: 1MiB
          capacity: 1MiB
          capabilities: synchronous internal write-back unified
          configuration: level=2
     *-cache:2
          description: L3 cache
          physical id: 4b
          slot: L3 Cache
          size: 8MiB
          capacity: 8MiB
          capabilities: synchronous internal write-back unified
          configuration: level=3
     *-cpu
          description: CPU
          product: Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
          vendor: Intel Corp.
          physical id: 4c
          bus info: cpu@0
          version: Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
          serial: [redacted]
          slot: U3E1
          size: 3566MHz
          capacity: 3900MHz
          width: 64 bits
          clock: 100MHz
          capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d cpufreq
          configuration: cores=4 enabledcores=4 threads=8
     *-pci
          description: Host bridge
          product: Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 05
          width: 32 bits
          clock: 33MHz
        *-pci:0
             description: PCI bridge
             product: Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16)
             vendor: Intel Corporation
             physical id: 1
             bus info: pci@0000:00:01.0
             version: 05
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:16 ioport:[redacted] memory:[redacted] ioport:[redacted]
           *-generic UNCLAIMED
                description: Unassigned class
                product: GM107GLM [Quadro M1200 Mobile]
                vendor: NVIDIA Corporation
                physical id: 0
                bus info: pci@0000:01:00.0
                version: ff
                width: 32 bits
                clock: 66MHz
                capabilities: bus_master vga_palette cap_list
                configuration: latency=255 maxlatency=255 mingnt=255
                resources: memory:[redacted] memory:[redacted] memory:[redacted] ioport:[redacted] memory:[redacted]
        *-display
             description: VGA compatible controller
             product: HD Graphics 630
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 04
             width: 64 bits
             clock: 33MHz
             capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:140 memory:[redacted] memory:[redacted] ioport:[redacted] memory:[redacted]
        *-generic:0
             description: Signal processing controller
             product: Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
             vendor: Intel Corporation
             physical id: 4
             bus info: pci@0000:00:04.0
             version: 05
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm cap_list
             configuration: driver=proc_thermal latency=0
             resources: irq:16 memory:[redacted]
        *-usb
             description: USB controller
             product: 100 Series/C230 Series Chipset Family USB 3.0 xHCI Controller
             vendor: Intel Corporation
             physical id: 14
             bus info: pci@0000:00:14.0
             version: 31
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi xhci bus_master cap_list
             configuration: driver=xhci_hcd latency=0
             resources: irq:136 memory:[redacted]
           *-usbhost:0
                product: xHCI Host Controller
                vendor: [redacted] xhci-hcd
                physical id: 0
                bus info: usb@1
                logical name: usb1
                version: [redacted]
                capabilities: usb-2.00
                configuration: driver=hub slots=16 speed=480Mbit/s
              *-usb:0
                   [redacted]
              *-usb:1
                   [redacted]
              *-usb:2
                   description: Bluetooth wireless interface
                   vendor: Intel Corp.
                   physical id: 4
                   bus info: usb@1:4
                   version: 0.10
                   capabilities: bluetooth usb-2.00
                   configuration: driver=btusb maxpower=100mA speed=12Mbit/s
              *-usb:3
                   description: Video
                   product: Integrated_Webcam_HD
                   vendor: CN045G287248775NB23BA01
                   physical id: c
                   bus info: usb@1:c
                   version: 56.05
                   capabilities: usb-2.00
                   configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
           *-usbhost:1
                product: xHCI Host Controller
                vendor: Linux [redacted] xhci-hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: [redacted]
                capabilities: usb-3.00
                configuration: driver=hub slots=10 speed=5000Mbit/s
        *-generic:1
             description: Signal processing controller
             product: 100 Series/C230 Series Chipset Family Thermal Subsystem
             vendor: Intel Corporation
             physical id: 14.2
             bus info: pci@0000:00:14.2
             version: 31
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi cap_list
             configuration: driver=intel_pch_thermal latency=0
             resources: irq:18 memory:[redacted]
        *-generic:2
             description: Signal processing controller
             product: 100 Series/C230 Series Chipset Family Serial IO I2C Controller #0
             vendor: Intel Corporation
             physical id: 15
             bus info: pci@0000:00:15.0
             version: 31
             width: 64 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: driver=intel-lpss latency=0
             resources: irq:16 memory:[redacted]
        *-generic:3
             description: Signal processing controller
             product: 100 Series/C230 Series Chipset Family Serial IO I2C Controller #1
             vendor: Intel Corporation
             physical id: 15.1
             bus info: pci@0000:00:15.1
             version: 31
             width: 64 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: driver=intel-lpss latency=0
             resources: irq:17 memory:[redacted]
        *-communication
             description: Communication controller
             product: 100 Series/C230 Series Chipset Family MEI Controller #1
             vendor: Intel Corporation
             physical id: 16
             bus info: pci@0000:00:16.0
             version: 31
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=mei_me latency=0
             resources: irq:138 memory:[redacted]
        *-sata
             description: SATA controller
             product: Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA Controller [AHCI Mode]
             vendor: Intel Corporation
             physical id: 17
             bus info: pci@0000:00:17.0
             logical name: scsi1
             version: 31
             width: 32 bits
             clock: 66MHz
             capabilities: sata msi pm ahci_1.0 bus_master cap_list emulated
             configuration: driver=ahci latency=0
             resources: irq:137 memory:[redacted] memory:[redacted] ioport:[redacted] ioport:[redacted] ioport:[redacted] memory:[redacted]
           *-disk
                description: ATA Disk
                product: SK hynix SC311 S
                physical id: 0.0.0
                bus info: scsi@1:0.0.0
                logical name: /dev/sda
                version: 0P10
                serial: [redacted]
                size: 238GiB (256GB)
                capabilities: gpt-1.00 partitioned partitioned:gpt
                configuration: ansiversion=5 guid=[redacted] logicalsectorsize=512 sectorsize=4096
              *-volume:
                [redacted]
        *-pci:1
             description: PCI bridge
             product: 100 Series/C230 Series Chipset Family PCI Express Root Port #1
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@0000:00:1c.0
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:122 memory:[redacted]
           *-network
                description: Wireless interface
                product: Wireless 8265 / 8275
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:02:00.0
                logical name: wlp2s0
                version: 78
                serial: [redacted]
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=iwlwifi driverversion=[redacted] firmware=36.79ff3ccf.0 ip=[redacted] latency=0 link=yes multicast=yes wireless=IEEE 802.11
                resources: irq:139 memory:[redacted]
        *-pci:2
             description: PCI bridge
             product: 100 Series/C230 Series Chipset Family PCI Express Root Port #2
             vendor: Intel Corporation
             physical id: 1c.1
             bus info: pci@0000:00:1c.1
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:123 ioport:[redacted] memory:[redacted] ioport:[redacted]
           *-generic
                description: MMC Host
                product: RTS525A PCI Express Card Reader
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@0000:03:00.0
                logical name: mmc0
                version: 01
                width: 32 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list
                configuration: driver=rtsx_pci latency=0
                resources: irq:135 memory:[redacted]
        *-pci:3
             description: PCI bridge
             product: 100 Series/C230 Series Chipset Family PCI Express Root Port #9
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:124 memory:[redacted]
           *-nvme
                description: NVMe device
                product: [redacted]
                vendor: [redacted]
                physical id: 0
                bus info: pci@0000:04:00.0
                logical name: /dev/nvme0
                version: [redacted]
                serial: [redacted]
                width: 64 bits
                clock: [redacted]
                capabilities: nvme pciexpress msix msi pm nvm_express bus_master cap_list
                configuration: driver=nvme latency=0 nqn=[redacted] state=live
                resources: irq:16 memory:[redacted]
              *-namespace
                   description: NVMe disk
                   physical id: 1
                   bus info: nvme@0:1
                   logical name: /dev/nvme0n1
                   size: [redacted]
                   capabilities: gpt-1.00 partitioned partitioned:gpt
                   configuration: guid=[redacted] [redacted]
                 *-volume:
                      [redacted]
        *-pci:4
             description: PCI bridge
             product: 100 Series/C230 Series Chipset Family PCI Express Root Port #13
             vendor: Intel Corporation
             physical id: 1d.4
             bus info: pci@0000:00:1d.4
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:16
        *-pci:5
             description: PCI bridge
             product: 100 Series/C230 Series Chipset Family PCI Express Root Port #15
             vendor: Intel Corporation
             physical id: 1d.6
             bus info: pci@0000:00:1d.6
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:125 ioport:[redacted] memory:[redacted] ioport:[redacted]
        *-isa
             description: ISA bridge
             product: CM238 Chipset LPC/eSPI Controller
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 31
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master
             configuration: latency=0
        *-memory UNCLAIMED
             description: Memory controller
             product: 100 Series/C230 Series Chipset Family Power Management Controller
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@0000:00:1f.2
             version: 31
             width: 32 bits
             clock: 33MHz (30.3ns)
             configuration: latency=0
             resources: memory:[redacted]
        *-multimedia
             description: Audio device
             product: CM238 HD Audio Controller
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             version: 31
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=snd_hda_intel latency=32
             resources: irq:141 memory:[redacted] memory:[redacted]
        *-serial
             description: SMBus
             product: 100 Series/C230 Series Chipset Family SMBus
             vendor: Intel Corporation
             physical id: 1f.4
             bus info: pci@0000:00:1f.4
             version: 31
             width: 64 bits
             clock: 33MHz
             configuration: driver=i801_smbus latency=0
             resources: irq:16 memory:[redacted] ioport:[redacted]
     *-pnp00:00
          product: Motherboard registers
          physical id: 1
          capabilities: pnp
          configuration: driver=system
     *-pnp00:01
          product: Motherboard registers
          physical id: 2
          capabilities: pnp
          configuration: driver=system
     *-pnp00:02
          product: AT Real-Time Clock
          physical id: 3
          capabilities: pnp
          configuration: driver=rtc_cmos
     *-pnp00:03
          product: PnP device INT3f0d
          physical id: 4
          capabilities: pnp
          configuration: driver=system
     *-pnp00:04
          product: IBM Enhanced keyboard controller (101/2-key)
          physical id: 5
          capabilities: pnp
          configuration: driver=i8042 kbd
     *-pnp00:05
          product: PnP device DLL07bf
          physical id: 6
          capabilities: pnp
          configuration: driver=i8042 aux
     *-pnp00:06
          product: Motherboard registers
          physical id: 7
          capabilities: pnp
          configuration: driver=system
     *-pnp00:07
          product: Motherboard registers
          physical id: 8
          capabilities: pnp
          configuration: driver=system
     *-pnp00:08
          product: Motherboard registers
          physical id: 9
          capabilities: pnp
          configuration: driver=system
     *-pnp00:09
          product: Motherboard registers
          physical id: a
          capabilities: pnp
          configuration: driver=system
  *-battery
       product: DELL 5D91C75
       vendor: LG
       physical id: 1
       version: 04/06/2017
       serial: [redacted]
       slot: Sys. Battery Bay
       capacity: 55990mWh
       configuration: voltage=11.4V