ASUS KFN4-DRE
2-27
8. Serial port connector (10-1 pin COM2)
This connector is for a serial (COM) port. Connect the serial port
module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
9. ATX power connectors (24-pin ATXPWR1, 8-pin ATX12V1)
These connectors are for an ATX power supply plugs. The power
supply plugs are designed to fit these connectors in only one
orientation. Find the proper orientation and push down firmly until the
connectors completely fit.
•
Do not forget to connect the 8-pin ATX +12 V power plug;
otherwise, the system will not boot.
• Use of a PSU with a higher power output is recommended when
configuring a system with more power-consuming devices. The
system may become unstable or may not boot up if the power is
inadequate.
• Make sure that your power supply unit (PSU) can provide at least
the minimum power required by your system. See the table below
for details.
R
KFN4-DRE
KFN4-DRE COM Port Connector
PIN 1
COM2
R
KFN4-DRE
KFN4-DRE ATX Power Connector
+3
Vo
lts
+3
Vo
lts
5
Vo
lts
+5
Vo
lts
Ground
Ground Power O
K
+5V S12
Vo
lts
-5 V
olts
+5
Vo
lts
+3
Vo
lts
-12
Vo
lts
Ground
Ground
Ground
PSON#
Ground
+5
Vo
lts
+12
Vo
lts
+3
Vo
lts
+5
Vo
lts
Ground
ATXPWR1
+12V D
C
GND
ATX12V1
GND
GND
GND
+12V D
C
+12V D
C
+12V D
C