HARDWARE INSTALLATION
17
COM Header : COM2
This motherboard supports one serial RS232
COM port for legacy compatibility. User must
purchase another RS232 cable with a 9-pin
D-sub connector at one end to connect with the
external RS232 device and another end with
10-pin female connector to connect with COM1
connector in the motherboard.
Chassis Intrusion Alarm Header : INTR
The connector can be connected to a security
switch on the chassis. The system can detect
the chassis intrusion through the function of this
connector. If eventually the chassis is closed,
the system will send a message out.
USB 2.0 Headers: f_USB1/2
These connectors comply with USB 2.0 speci
-
fication, you can get USB ports by connecting
the USB module cable to any of these connec-
tors.
USB 3.0 Header
This connectors are used to connect with the
USB3.0 specification, and is for the additional
USB3.0 ports.
fan Headers: CPU_fAN, SYS_fAN
The fan speed can be controlled and monitored
in the BIOS Setup. These fans can be auto-
matically turned off after the system enters S3,
S4 and S5 sleeping states.
DCD
SOUT
RI
GND
RTS
DSR
DTR
CTS
EMPTY
SIN
1
2
10
9
COM2
VCC
D-
EMPTY
D+
GND
D+
D-
GND
GND
VCC
1
2
10
9
F_USB1/2
CPU_FAN/SYS_FAN
SENSE
POWER
GND
CONTROL
1
INTR
GND
INTRUDERJ
1
NC
USB2.0 D+
USB2.0 D-
GND
USB3.0 SS TX+
USB3.0 SS TX-
GND
USB3.0 SS RX+
USB3.0 SS RX-
VCC
USB2.0 D+
USB2.0 D-
GND
USB3.0 SS TX+
USB3.0 SS TX-
GND
USB3.0 SS RX+
USB3.0 SS RX-
VCC
EMPTY
19 20
1 2
USB 3.0
Содержание B75MX Series
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