Front Usb Connector: Jusb1/Jusb2; Spdif-Out Connector: Jsp1; Clear Cmos Jumper: Jbat1; Pci Express Slots - MSI K9N4 - Ultra-F Motherboard - ATX User Manual

MSI Reminds You...
If you do not want to connect to the front audio header, pins 5 & 6, 9 & 10 have
to be jumpered in order to have signal output directed to the rear audio ports.
Otherwise, the Line-Out connector on the back panel will not function.

Front USB Connector: JUSB1/JUSB2

The mainboard provides three standard USB 2.0 pi
JUSB1 and JUSB2. USB2.0 technology increases data
transfer rate up to a maximum throughput of 480Mbps, w
is 40 times faster than USB 1.1, and is ideal for connecting
high-speed USB interface peripherals such as USB HDD,
digital cameras, MP3 players, printers, modems, etc.
MSI Reminds You...
Please note that the pins of VCC & GND must be connected correctly or it may cause some
damage

SPDIF-Out Connector: JSP1

This connector is used to connect SPD

Clear CMOS Jumper: JBAT1

There is a CMOS RAM on board that h
from external battery to keep the data of system
configuration. With the CMOS RAM, the system c
automatically boot OS every time it is turned on. If you
use the JBAT1 (Clear CMOS Jumper) to clear data. Follow the instructions in the image to clea
the data.
MSI Reminds You...
You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 1-2 pin position.
Avoid clearing the CMOS while the system is on, which will damage the mainboard.

PCI Express Slots

The PCI Express slots, as a
high-bandwidth, low pin coun
interconnect technology.
PCI Express architecture p
high performance I/O infrastructure fo
Desktop Platforms with transfer rates
starting at 2.5 Giga transfers per secon
Tuners, 1394 controllers, and gen
Architecture will be designed to deliver highest performance in video, graphics, multimedia
IF interface for digital audio transmission.
as a power supply
t, serial,
PCI Express X16 Slot
rovides a
r
PCI Express X1 Slot
d over a PCI Express x1 lane for Gigabit Ethernet, TV
eral purpose I/O. Also, desktop platforms with PCI Express
n headers
hich
(10)USB0C
3 2
an
wa nt to clear the system configuration,
8
2
1
USB0+
USB0-
GND
(9)Key
GND USB1-
USB1+
1 3 2 1
Keep Data
Clear Data
10
9
VCC(1)
VCC(2)
2 3
3 2 1
r
and