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UNO-2184G/2174G/2174GL User Manual
Chapter 2
H
ardware
F
unctionality
2.7
USB Connector
The USB interface supports Plug & Play, which enables you to connect or disconnect
a device whenever you want without turning off the computer. UNO-2184G/2174G/
2174GL provides 6 connectors of USB inter-faces, which gives complete Plug & Play
and hot swapping for up to 127 external devices. 2 of the 6 connectors are compati-
ble with USB3.0 devices, although only with USB 2.0 speed (except UNO-2184G-
D64E). The USB interface complies with USB EHCI, Rev. 2.0 and can be disabled in
the system BIOS setup. Please refer to Appendix A.8 for its pin assignments.
2.8
DVI-I/DisplayPort/HDMI Display Connector
The UNO-2184G/2174G/2174GL provides a DVI-I/Display Port/HDMI controller for a
high resolution interface. UNO-2184G/2174G/2174GL supports up to full HD resolu-
tion for 2 independent displays.
2.9
RTC Battery Specification
UNO-2184G/2174G/2174GL has RTC Battery to ensure the settings in BIOS and the
system clock can be kept, even when power is disconnected for a short time.
Type:
BR2032 (Using CR2032 is NOT recommended)
Output Voltage:
3 V
DC
Location:
BH1, please refer to below figure
Figure 2.3 RTC Battery Location
2.10
Power Button/Power Management
Press the "PWR" button to power on or power off UNO-2184G/2174G/2174GL (ATX
type). UNO-2184G/2174G/2174GL supports the ACPI (Advanced Configuration and
Power Interface). Besides power on/off, it supports multiple suspend modes, such as
Power on Suspend (S1), Suspend to RAM (S3), and Suspend to Disk (S4). In S3 and
S4 suspend modes, the power consumption can be less than 2W, which meets
Energy Star criteria.
