This equipment has been tes ted and f ound to comply with the limits of a C lass
B digital device, pursuant to Part 15 of th e FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio f r equency
energy and, if not ins ta lled and used in accordan ce with the instructions, may
cause harmful interferenc e to radio c ommu nications. There is no gu arantee
that interference will not occur in a particular installation.
The vendor makes no r epr es entations or warranties with respect to the
contents here and specia lly disclaims any implied wa rranties of merchan tability
or fitness for any purpose. Further the vendor reserves the right to revise this
publication and to ma ke changes to the contents here without obligation to
notify any party beforehand.
Duplication of this publication, in part or in whole, is not allowe d without first
obtaining the ven dor ’s approval in writing.
The content of this user’s manual is subject to be ch a nged without notice and
we will not be responsible for any mistak es foun d in this u ser’s manua l. All the
brand and product names are trademarks of their respective companies.
Please follow the table below to install DDR memory module, or
the system may not boot up or may not function properly.
“SS” represents Single Side DDR memory module.
“DS” represents Double Side DDR memory module.
Star sign “*” represents leave the DIMM socket empty.
DIMM1 SS/DS
DIMM2
DIMM3
DIMM4
* * *
*
* * *
*
SS/DS SS/DS SS/DS
SS/DS SS/DS
SS/DS
SS/DS
On-board IDE
2 on-board connectors support 4 IDE disk drives.
Supports PIO mode 4, Block Mode and Ultra DMA
33/66/100/133 bus master mode.
2
NF4ST-A9
Serial ATA
4 on-board Serial ATA connectors support 4 serial ATA (SATA)
ports.
Compliant with SATA 1.0 specification.
Data transfer rates up to 1.5Gb/s.
Slots
Three 32bit PCI bus master slots.
Two PCI-Express x1 slots:
- PCI Express 1.0a compliant.
- Bandwidth 250MB/s per direction.
One PCI-Express x16 slot.
- PCI Express 1.0a compliant.
- Maximum theoretical realized bandwidth of 4GB/s
simultaneously per direction, for an aggregate of 8GB/s
totally.
One Xtreme Graphics Port slot. (See p.12 for detailinformation)
Super I/O
Chip: ITE IT8712F.
Low Pin Count Interface.
Provides the most commonly used legacy Super I/O
1 SPDIF-out connector supports digital audio-out function.
4
NF4ST-A9
1 SPDIF-in connector supports digital audio-in function
(optional).
1 IEEE1394 header supports 1 1394 Firewire port (optional).
1 floppy connector supports 2 FDD devices with 360K, 720K,
1.2M, 1.44M and 2.88Mbytes.
2 IDE connectors support 4 IDE disk drives.
3 USB headers support 6 USB 2.0 ports at front panel.
4 Serial ATA connectors support 4 SATA devices.
Rear (Back Panel) Side Connectors
1 PS/2 Mouse Port.
1 PS/2 Keyboard Port.
1 Printer Port.
1 Serial Port. (JCOM2 is optional.)
1 1394 Firewire Port (optional).
1 RJ-45 LAN jack.
4 USB 2.0 Ports.
6 audio ports support 8 channels audio-out facilities.
(With ALC850)
JKMBS1
PS/2
Mouse
JPRNT1
Printer Port
J1394_USB 1
1394 Port
(optional)
JUSBLAN1
LAN
Connector
PS/2
Keyboard
COM1
JCOM1
Center/Left
Rear
Side
COM2
(optional)
JCOM2
(optional)
USB *2
USB *2
Line-in
Line-out
MIC-in
5
3 audio ports support 6 channels audio-out facilities.
(With ALC655, optional)
JKMBS1
PS/2
Mouse
PS/2
Keyboard
B. BIOS & Software
BIOS
Award legal BIOS.
Supports APM1.2.
Supports ACPI.
Supports USB Function.
Bundled Software
Supports 9th Touch™, WINFLASHER™ and FLASHER™.
COM1
JCOM1
NF4ST-A9
JPRNT1
Printer Port
COM2
(optional)
JCOM2
(optional)
J1394_USB 1
1394 Port
(optional)
USB *2
JUSBLAN1
LAN
Connector
USB *2
Line-in/Rear
Line-out
MIC-in/
Center/
Left
1.2 PACKAGE CHECKLIST
FDD Cable X 1
HDD Cable X 1
User’s Manual X 1
Fully Setup Driver CD X 1
Rear I/O Panel for ATX Case X 1
USB 2.0 Cable X1 (optional)
S/PDIF Cable X 1 (optional)
Serial ATA Cable X 1 (optional)
IEEE 1394 Cable X 1 (optional)
Serial ATA Power Switch Cable X 1 (optional)
6
NF4ST-A9
1.3 LAYOUT &COMPONENTS
JKBMS1
JCOM1
JCOM2
(optional)
J1394_USB1
JUSBLAN1
JKBMSV1
C
O
M
1
JPRNT1
C
O
M
2
J1394_USBV1
JATXPWR2
CPU1
JCFAN1
JATXPWR1
Socket 939
DIMM1
DIMM2
DIMM4
DIMM3
EARPHONEJACK1
JAUDIO2
PCI-EX x1
PEX1-2
PCI-EX x1
PEX1-1
Giga LAN
J1394PWR1
(optional)
IEEE 1394
Chip
(optional)
JCDIN1
PCI1
JSPDIF_OUT
PCI2
Codec
JSPDIF_IN1
PCI3
Note: ■ represents the 1
XGP1
PCI-EX16
st
nForce4
(CK8-04)
pin.
Super I /O
J1394A1
(optional)
JNBFAN1
JSATA1 JSATA2 JSATA3 JSATA4
JCI1
BIOS
JPANEL1
IDE2
IDE1
FDD1
JUSB3JUSB2JUSB1
JUSBV1
JCMOS1
BA T1
JSFAN1
7
NF4ST-A9
CHAPTER 2: HARDWARE INSTALLATION
2.1 CENTRAL PROCESSING UNIT (CPU)
Step 1: Remove the socket protection cap.
Step 2: Pull the lever sideways away from the socket and then raise the
lever up to a 90-degree angle.
8
NF4ST-A9
Step 3: Look for the black cut edge on socket, and the white dot on CPU
should point forwards this black cut edge. The CPU will fit only in
the correct orientation.
Step 4: Hold the CPU down firmly, and then close the lever to complete
the installation.
Step 5: Put the CPU Fan on the CPU and buckle it. Connect the CPU FAN
power cable to the JCFAN1. This completes the installation.
9
NF4ST-A9
2.2 FAN HEADERS
CPU FAN Power Header: JCFAN1
PinAssignment
1 Ground
1
3
System Fan Power Header: JSFAN1
1
3
North Bridge Fan Power Header: JNBFAN1
1
3
Note:
The JCFAN1, JSFAN1and JNBFAN1 support system cooling fan with
Smart Fan Control utility. It supports 3 pin head connector. When
connecting with wires onto connectors, please note that the red wi re is the
positive and should be connected to pin#2, and the black wire is Ground
and should be connected to GND.
2 CPU Fan Control
3 FAN RPM rate sense
PinAssignment
1 Ground
2 +12V
3 FAN RPM rate sense
PinAssignment
1 Ground
2 +12V
3 FAN RPM rate sense
10
NF4ST-A9
2.3 MEMORY MODULES INSTALLATION
1. Unlock a DIMM slot by pressing the retaining clips outward. Align a
DIMM on the slot such that the notch on the DIMM matches the break
on the Slot.
2. Insert the DIMM vertically and firmly into the slot until the retaining chip
snap back in place and the DIMM is properly seated.
11
NF4ST-A9
2.4 CONNECTORS,&SLOTS
Floppy Disk Connector: FDD1
The motherboard provides a standard floppy disk connector that
supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. This
connector supports the provided floppy drive ribbon cables.
Hard Disk Connectors: IDE1/IDE2
The motherboard has a 32-bit Enhanced PCI IDE Controller that
provides PIO Mode 0~5, Bus Master, and Ultra DMA 33/66/100/133
functionality. It has two HDD connectors IDE1 (primary) and IDE2
(secondary).
The IDE connectors can connect a master and a slave drive, so you can
connect up to four hard disk drives. The first hard drive should always be
connected to IDE1.
This motherboard is equipped with 3 standard PCI slot. PCI stands for
Peripheral Component Interconnect, and it is a bus standard for
expansion cards. This PCI slot is designated as 32 bits.
Xtreme Graphics Port Slot: XGP1
This XGP (Xtreme Graphics Port) slot is a special design that only
supports compatible AGP VG A card s.
To install the system with an add-on AGP VGA card, please make sure
to install the driver of add-on AGP VGA card before onboard VGA driver
installation. If the onboard VGA driver has already been installed before
you install the add-on AGP VGA card, the system will automatically set
the onboard VGA as the primar y graphics adapter .
For the onboard VGA driver can’t be removed completely, and to solve
this problem, please follow the steps below,
1. Disable onboard VGA utility under the operating system, and reboot
PC. After PC restarts, the system will automatically set the AGP
VGA card as the graphics adapter.
2. Re-install your operating system to ensure the AGP VGA card
function can be used.
Note:
Please go to “http://www.biostar.com.tw
about XGP compatible AGP cards.
” for more detailed information
12
NF4ST-A9
4
CHAPTER 3: HEADERS & JUMPERS SETUP
3.1 HOW TO SETUP JUMPERS
The illustration shows how to set up jumpers. When the jumper cap is
placed on pins, the jumper is “close”, if not, that means the jumper is
“open”.
Pin opened Pin closed Pin1-2 closed
3.2 DETAIL SETTINGS
ATX Power Source Connectors: JATXPWR1/JATXPWR2
JATXPWR1: This connector allows user to connect 20-pin power
connector on the ATX power supply.
JATXPWR2: By connecting this connector, it will provide +12V to CPU
power circuit.
Power Source Headers for USB Ports: J1394_USBV1/JUSBV1
AssignmentDescription
3
1
Pin 1-2 close
Pin 2-3 close
3
1
+5V
+5V standby
Voltage
J1394_USBV1: +5V for USB ports at
J1394_USB1 and JUSBLAN1.
JUSBV1: +5V for front USB headers
(JUSB1/JUSB2/JUSB3).
J1394_USBV1: USB ports at
J1394_USB1 and JUSBLAN1 are
powered with +5V standby voltage.
JUSBV1: Front USB headers
(JUSB1/JUSB2/JUSB3) are powered
with +5V standby voltage.
Note:
In order to support this function “Power-on system via USB device,”
“J1394_USBV1/JUSBV1” jumper cap should be placed on Pin 2-3
individually.
Power Source Header for PS/2 Keyboard/Mouse: JKBMSV1
AssignmentDescription
1
3
Pin 1-2 close
1
3
Pin 2-3 close
Note:
In order to support this function “Power-on system via keyboard and
mouse”, “JKBMSV1” jumper cap should be placed on Pin 2-3.
+5V +5V for keyboard and mouse
+5V Standby
Voltage
PS/2 keyboard and mouse are
powered with +5V standby voltage.
CD-ROM Audio-in Connector: JCDIN1
This connector allows user to connect the audio source from the variety
devices, like CD-ROM, DVD-ROM, PCI sound card, PCI TV turner card
etc..
Pin Assignment
1 Left channel input
14
JCDIN1
2 Ground
3 Ground
4 Right channel input
14
NF4ST-A9
r
Front Panel Audio-out Header: JAUDIO2
This connector will allow user to connect with the front audio out put
headers on the PC case. It will disable the output on back panel audio
connectors.
With ALC850 Audio Sound Codec:
12
1314
PinAssignment PinAssignment
1 Stereo MIC-in R. 2 Ground
3 Stereo MIC-in L. 4 Audio power
Right line out/Speaker out
5
Right
7 Reserved 8 Key
9 Left line out/Speaker out Left 10 Left line out/Speaker out Left
11 Right line in 12 Right line in
13 Left line in 14 Left line in
Right line out/Speaker out
6
Right
With ALC655 Audio Sound Codec (optional):
12
1314
PinAssignment PinAssignment
1 Stereo MIC-in R/ Center 2 Ground
3 Stereo MIC-in L/ Bass 4 Audio power
Right line out/Speake
5
Right
7 Reserved 8 Key
9 Left line out/Speaker-out Left 10Left line out/Speaker out Left
Right line in/Rear speaker
11
Right
13 Left line in/Rear speaker Left 14 Left line in/Rear speaker Left
-out
Right line out/Speaker-out
6
Right
Right line in/Rear speaker
12
Right
15
NF4ST-A9
Digital Audio-out Connector: JSPDIF_OUT
This connector will allow user to connect the PCI bracket SPDIF output
header.
PinAssignment
1 +5V
1
3
JSPDIF_OUT
2 SPDIF OUT
3 Ground
Digital Audio-in Connector: JSPDIF_IN1 (optional)
This connector will allow user to connect the PCI bracket SPDIF output
header.
PinAssignment
1 +5V
1
3
JSPDIF_IN1
2 SPDIF In
3 Ground
Power Source Header for 1394 Chip: J1394PWR1 (optional)
AssignmentDescription
3
1
Pin 1-2 close
3
1
Pin 2-3 close
+3.3V
+3.3V SB +3.3V SB for 1394 chipset.
+3.3V for 1394 chipset.
(Default)
Header for 1394 Firewire Port at Front Panel: J1394A1 (optional)
This connector allows user to connect the front 1394 port for digital
image devices.
This 24-pin connector includes Power-on, Reset, HDD LED, Power LED,
Sleep button, speaker and IrDA Connection. It allows user to connect
the PC case’s front panel switch functions.
2
24
1
PinAssignment FunctionPinAssignment Function
1 +5V 2 Sleep control
3 N/A 4 Ground
5 N/A 6 N/A N/A
7 Speaker
9 HDD LED (+) 10 Power LED (+)
11 HDD LED (-)
13 Ground 14 Power button
15 Reset control
17 N/A 18 Key
19 N/A 20 Key
21 +5V 22 Ground
23 IRTX
Speaker
Connector
Hard drive
LED
Reset
button
IrDA
Connector
23
JPANEL1
8 Power LED (+)
12 Power LED (-)
16 Ground
24 IRRX
Sleep
button
Power LED
Power-on
button
IrDA
Connector
Headers for USB Ports at Front Panel: JUSB1~JUSB3
This connector allows user to connect additional USB cables at PC front
panel, and also can be connected with internal USB devices, like USB
card reader.
By placing the jumper on pin2-3, it allows user to restore the BIOS safe
setting and the CMOS data, please carefully follow the procedures to
avoid damaging the motherboard.
JCMOS1 Assignment
1
3
Pin 1-2 close
1
3
Pin 2-3 close
※
※ Clear CMOS Procedures:
※※
Normal Operation (Default).
Clear CMOS data.
1. Remove AC power line.
2. Set the jumper to “Pin 2-3 close”.
3. Wait for five seconds.
4. Set the jumper to “Pin 1-2 close”.
5. Power on the AC.
6. Reset your desired password or clear the CMOS data.
Case Open Header: JCI1
This connector allows system to monitor PC case open status. If the
signal has been triggered, it will record to the CMOS and show the
message on next boot-up.
Pin Assignment
2
1
JCI1
1 Case open signal
2 Ground
Serial ATA Connector: JSATA1~JSATA4
The motherboard has a SATA Controller in nForce4 (CK8-04) with 4
channels SATA interface, it satisfies the SATA 1.0 spec and with transfer
rate of 1.5Gb/s.
PinAssignment PinAssignment
1 Ground 2 TX+
7
1
4
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground
18
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