Hardware Reference Guide - HP Engage One Retail System
3. Connect the USB cable to the ngerprint reader (1) and route the cable through the routing channel (2)
on the ngerprint reader.
4. Connect the ngerprint reader USB cable to a USB Type-A port on the I/O connectivity base.
5. Reconnect the I/O connectivity base and computer power cords.
Attaching an optional ngerprint reader to the I/O connectivity
base
The optional ngerprint reader can be used as a standalone device or it can be attached to the I/O
connectivity base. Follow the procedure below to attach the ngerprint reader to the I/O connectivity base.
NOTE: You can attach the ngerprint reader to either side of the I/O connectivity base, but if you attach it to
the left side of the I/O connectivity base, the ngerprint reader will cover the microSD slot and the headset
jack on the I/O connectivity base.
1. Turn o the computer properly through the operating system, and turn o any external devices.
2. Disconnect the power cords from the computer and I/O connectivity base.
IMPORTANT: Regardless of the power-on state, voltage is always present on the system board as long
as the system is plugged into an active AC outlet. You must disconnect the power cord and wait
approximately 30 seconds for the power to drain to avoid damage to the internal components of the
computer.
22 Chapter 3 Hardware congurations and upgrades