HP Slate 21 Pro-All-in-One-PC - Manual (Page 11)

*The antennas are not visible from the outside of the all-in-one. For optimal transmission, keep the
areas immediately around the antenna free from obstructions.
Rear and side components
Component Function
(1) SD card reader Reads data from and writes data to Secure Digital (SD)
memory cards
(2) USB 2.0 connector Connects external USB devices to the all-in-one
(3) Audio-out (headphone) jack Produces sound when connected to optional powered
stereo speakers, headphones, earbuds, or a headset
(4) Power connector Connects the power cord to the all-in-one
(5) Ethernet connector Connects an Ethernet cable to the all-in-one
(6) USB 2.0 connectors Connect external USB devices to the all-in-one
(7) USB upstream connector Connects a USB cable between a PC and the all-in-one
(required for touch functionality in HDMI mode when
connected to a PC)
(8) HDMI connector Connects an HDMI device, such as a PC, camera, or DVD
player
NOTE: The side ports (SD card reader, USB 2.0 connector, and audio-out jack) are functional only
in Slate mode. They are not functional in HDMI mode.
Slate and HDMI modes
The all-in-one can operate in either Slate mode or HDMI mode.
Rear and side components 3