Dell Latitude E5520

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UEFI

This laptop is UEFI-capable. The following articles were found to be helpful in setting up this laptop to boot in UEFI mode:

Earlier kernels (before 3.0) were unable to boot in UEFI mode on this laptop unless "noefi" was passed on the kernel line. Later kernel versions should boot correctly.

Input / Output Devices

This is the output from xinput list:

⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ DualPoint Stick                           id=13   [slave  pointer  (2)]
⎜   ↳ AlpsPS/2 ALPS DualPoint TouchPad          id=14   [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Laptop_Integrated_Webcam_FHD              id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=12   [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                          id=15   [slave  keyboard (3)]

The keyboard (including number pad), power button, audio hotkeys, webcam, audio, and microphone were found to work flawlessly without any intervention.

The "Track Stick" performs as expected. The touchpad supports synaptic extensions, but not multitouch.

SD Card Reader

As of Kernel 3.0, the SD Card Reader does not react when a card is inserted. This can be rectified by removing the Firewire driver from the kernel:

sudo modprobe -r firewire_ohci

To make the change permanent, remember to blacklist the firewire_ohci module (see Blacklisting).

Even with this fix, some corruption has occurred on certain SD cards when using the drive, along with seemingly related kernel panics. It would appear than driver support is lacking for this device.

This may be related to the following kernel warning, which appears at boot time:

sdhci-pci 0000:09:00.1: Invalid iomem size. You may experience problems.