Exterior#

I/O ports#

L14 left-side IO ports

Left side from back to front:

  • Kensington lock hole (strictly not a connector)

  • HDMI

  • USB3.1 type-A

  • microSD card reader (push/pull spring loaded)

  • USB3.1 type-C (data only + 5V power source)

L14 right-side IO ports

Right side, from back to front:

  • Power indicator LED (white / green / orange)

  • Charger input, barrel connector, 4mm, center +19V DC, outside GND

  • RJ45 gigabit Ethernet

  • USB3.1 type-A

  • USB3.1 type-C, full function with Display Port alt mode and Power Delivery sink

  • 3.5mm headphone jack with microphone input

Note

A type-C charger must be able supply at least 19V. 60W or more recommended (it may work with less but then battery can be drained even with the charger connected).

Keyboard and touchpad#

The keyboard features a dimmable white LED backlight. The touchpad is a I2C HID-compliant input device with one hardware push button (pushing the lower edge).

L14 keyboard layout
L14 keyboard and touchpad L14 control panel

From left to right:

  • Hardware kill switch for camera and microphones (internal and external microphones will be cut off)

  • White LED indicator for cam/mic kill switch, LED on=cam/mic on, LED off=killed

  • Hardware kill switch for WiFi / Bluetooth

    • This severs power to the WiFi/BT M.2 slot and enables the #DISABLE signal on the M.2 slot

  • White LED indicator for WiFi / Bluetooth, LED on=WiFi/BT active, LED off=killed

  • Software controlable notification LED, red / green / blue

  • Power state LED, same states as the outside power state LED:

    State

    Description

    Off

    Device is powered off

    On

    Device is powered on

    Glowing / fading on/off

    Device is in sleep mode

    White

    Normal operation

    Green

    Device battery is charging

    Orange

    Battery state of charge < 20%

Note

There is one case where the power state is ambiguous. When laptop is off but connected to the charger and charging, it shows a steady ‘green’ indicator until charging is finished, after which the LED turns off.