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2
Hardware Reference
Serial ports
Two COM connections (COM1 & COM2) are located on the motherboard. COM1 is located on
the backplane IO panel to provide serial connection support for the motherboard.
5
1
Video connector
A video (VGA) connector is located next to COM1 on the IO backplane. This connector is used
to provide video display.
Universal serial bus (USB)
Six Universal Serial Bus ports (USB0/1, 2/3, and 4/5) are located on the I/O back panel.
Additionally, four USB connections (USB 6, 7, and 8/9) are on the motherboard to provide front
chassis access. (Cables are not included.)
20
Table 7. Serial port pin definitions
Pin #
1
2
9
3
6
4
5
Table 8. VGA pin definitions
Pin #
1
2
6
3
1
11
4
5
5
15
6
10
7
8
Table 9. USB pin definitions
Pin #
1
2
3
1
4
4
5
Definition
DCD
RXD
TXD
DTR
Ground
Definition
RED
GREEN
BLUE
Not used
GND
RED_RTN
GREEN_RTN
BLUE_RTN
Definition
+5V
Data–
Data+
Ground
N/A
Pin #
Definition
6
DSR
7
RTS
8
CTS
9
RI
10
N/A
Pin #
Definition
9
+5V (fused)
10
GND
11
Not used
12
SDA
13
HSYNC
14
VSYNC
15
SCL
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