User’s Manual

2-21
Chapter 2: Motherboard information
NOTE: The serial port cables are purchased separately.
15. Serial port connectors (10-pin COM3, COM4, COM5, COM6)
Theseconnectorsareforserial(COM)ports.Connecttheserialportcables
totheseconnectors,theninstallthemoduletoaslotopeningatthebackof
the system chassis.
H310I-IM-A R2.0 Serial port (COM) connectors
PIN 1
COM6、COM5、COM4、COM3
DCD#
TXD
GND
RTS#
Ring
RXD
DTR#
DSR#
CTS#
(NC)
16. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
CorrectlyorienttheATXpowersupplyplugsintotheseconnectorsandpush
downrmlyuntiltheconnectorscompletelyt.
H310I-IM-A R2.0 ATX power connectors
PIN 1
ATX12V
DC_IN
DC_IN
GND
GND
PIN 1
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
A
B
BA
EATXPWR