MSI G31M3 - Manual (Page 19)

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Front USB Connector (Yellow)
This connector, com pliant with Intel ® I/O Connectivity Design Guide, is ideal for con-
necting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3
players, printers, modems and the like.
Important
Note that the pins of VCC and GND must be connected correctly to avoid possible
damage.
USB 2.0 Bracket
(Optional) U
S
B
OC
10
1
2
V
CC
U
S
B
0-
U
S
B
0+
G
ND
K
e
y
(no
p
in)
V
CC
U
S
B
1-
U
S
B
1+
G
ND
9
Chassis Intrusion Connector
This connector connects to the chassis intrusion switch cable. If the chassis is opened,
the chassis intrusion mechanism will be activated. The system will record this status and
show a warning message on the screen. To clear the warning, you must enter the BIOS
utility and clear the record.
Serial Port Connector
This connector is a 16550A high speed com m unication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
1 9
2
DCD
S
IN
S
O
UT
D
TR
G
ro
und
D
SR
R
TS
C
TS
RI
10
CINTRU GND
1
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