User manual

Table Of Contents
21 Chapter 2
2.3.12 USB Connector
The ARK-3380 provides three connectors, one in the rear panel and two
in the front panel, of USB interface, which gives complete Plug & Play
and hot swapping for up to 127 external devices. The USB interface com-
plies with USB UHCI, Rev. 2.0 compliant. The USB interface can be dis-
abled in the system BIOS setup. Please refer to Table 2.13 for its pin
assignments.
The USB connector is used for connecting any device that conforms to
the USB interface. Many recent digital devices conform to this standard.
The USB interface supports Plug and Play, which enables you to connect
or disconnect a device whenever you want, without turning off the com-
puter.
Figure 2.14: USB connector
12 NC
13 H-SYNC
14 V-SYNC
15 NC
Table 2.14: USB Connector
Pin Signal name Pin Signal name
1 VCC 2 VCC
3 USB_P0- 4 USB_P1-
5 USB_P0+ 6 USB_P1+
7 GND 8 GND
9 GND 10 NC
4
3
2
1
4
3
2
1