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ARK-1388V User Manual 16
2.2.2 ARK-1388V front side external I/O connectors
2.2.2.1 USB Connector
ARK-1388V provides four connectors of USB interface, which give complete Plug &
Play and hot swapping for up to 127 external devices. The USB interface complies
with USB UHCI, Rev. 2.0 compliant. The USB interface can be disabled in the system
BIOS setup. Please refer to Table. 2.1 for its pin assignments.
The USB connectors are 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 when-
ever you want, without turning off the computer.
Figure 2.5 USB connector
2.2.2.2 VGA Connector
The ARK-1388V provides a high resolution VGA interface by a D-sub 15-pin connec-
tor to support a VGA CRT monitor. It supports display resolution up to 1600 x 1200
@75-Hz and up to 64 MB shared memory.
Figure 2.6 VGA connector
Table 2.11: USB Connector
Pin Signal name Pin Signal name
1 VCC 2 USB_data-
3 U 4 GND
4
3
2
1
4
3
2
1
Table 2.12: VGA connector pin assignments
Pin Signal name
1 Red
2 Green
3 Blue
4 NC
5 GND
6 GND
7 GND
15 11
5 1