Foxconn B75MX-D User manual - Page 24

COM Header : COM2, Chassis Intrusion Alarm Header : INTR, USB 2.0 Headers: F_USB1/2, USB 3.0 Header

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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. HARDWARE INSTALLATION DCD SOUT GND RTS RI 12 9 10 SIN DTR DSR CTS EMPTY COM2 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. INTRUDERJ 1 GND INTR USB 2.0 Headers: F_USB1/2 These connectors comply with USB 2.0 specification, you can get USB ports by connecting the USB module cable to any of these connec- tors. VCC DD+ GND EMPTY 12 9 10 VCC DD+ GND GND F_USB1/2 USB 3.0 Header This connectors are used to connect with the USB3.0 specification, and is for the additional USB3.0 ports. 19 20 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 DGND USB3.0 SS TX+ USB3.0 SS TXGND USB3.0 SS RX+ USB3.0 SS RXVCC EMPTY 1 2 USB 3.0 Fan Headers: CPU_FAN, SYS_FAN The fan speed can be controlled and monitored in the BIOS Setup. These fans can be automatically turned off after the system enters S3, S4 and S5 sleeping states. 1 GND POWER SENSE CONTROL CPU_FAN/SYS_FAN 17

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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