This equipment has been tested and found to comply with the limits of a Class
B digital devic e, pursuant to Part 15 of the FCC Rules. T hese limits are designed
to provide reasonable p rotec tion agai nst ha rmful i nterfere nce in a resi de ntial
installation. T his equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. There is no guarantee
that inte rfe rence will not occur in a pa rticu la r ins ta lla tion.
The ve n do r makes no re presentatio ns o r wa rranties wi th respec t to th e
contents here and specially disclaims any implied warranties of merchantability
o r fi tnes s f o r any p u rp ose . F u rt her t he ve nd o r rese rves the ri g ht to r evis e this
publication and to make changes to the contents here without obligation to
notify any party beforehand.
D uplication of this publication, i n pa rt or in whole, is not allowed without first
obtaining the vendor’s approval in writing.
The content of this user’s manual is subject to be c hanged without notice and
we will not be responsible for any mis takes fo und in this user’s manual. All the
brand and product names are trademarks of their respective companies.
Tha nk yo u fo r choosing our product. Before you start installing the
mothe rboa rd, plea se make sure you follo w the instructio ns be lo w:
Prepare a dry and stable working environment with
s ufficie nt lighting .
Always disconnect the computer from power outlet
be fo re ope ra tion.
Befo re you take the mo the rboa rd ou t f rom a n ti -s ta ti c
bag, ground yourself properly by touching any safely
grounde d ap plian ce, or use g rounded wris t strap to
remove the static charge.
Avo id to u ch ing the compone nts o n mo the rboa rd o r the
rea r side of the board unles s necessary. Hold the board
on the edge, do not try to bend o r flex the board.
Do not lea ve any un fastene d sma ll parts inside the
case after installation. Loose parts will cause short
circuits which may damage the equipmen t.
Keep the computer from dangerous area, such as heat
source, humid air and wate r.
1.2PACKAGE CHECKLIST
FDD Cable X 1 HDD Cable X 1
Use r’s Ma nua l X 1 Fully Setup Driver CD X 1 Rear I/O Panel for ATX Case X 1 Se ria l ATA Ca b le X 1 ( op tiona l) USB 2.0 Cable X1 (optional) S/PDIF Cable X 1 (optional)
Se ria l ATA Po wer Swit ch Cable X 1 (op tiona l )
1
Mother board Manual
y
y
r
1.3 MOTHERBOARD FEATURES
SPEC
Socket AM2
CPU
FSB Support HyperTrans port Supports up to 800 MHz Bandw idth
Chipset nVIDIA NF3 250
Super I/O
Main
Memory
IDE
SA TA
LA N R ealtek 8201CL PHY
AMD Athlon 64 / Athlon 64 FX / Althlon
64X2 / Sempron processors
ITE 8716F
Provides the most commonl
Sup er I /O functionalit y.
Low Pin Count I nterface
DIMM Slots x 2
Eac h DIMM s upports 256/512MB & 1GB
DDR2
Max Memory Capicity 2GB
Integrated IDE Controller
Ultra DMA 33 / 66 / 100 / 133 Bus M aste
Mode
Integrated Serial ATA Controller
Data transfer rates up to 1.5 Gb/s.
us e d l egac
AM D 64 Architect ure enables 32 and 64 bit computing
Supports Hyper Trans port and Cool=n=Quiet
Environment Control initiatives,
H/W Monitor
Fan Speed Controller
ITE's "Smart Guardian" funct ion
Dual Channel Mode DDR2 memory module
Supports DDR2 533 / 667 / 800
Registered DIMM and EC C DIMM is not supported
supports PIO Mode 0~4,
SATA Version 1.0 specification compliant.
10 / 100 Mb/s Auto-Negotiation
Half / Full duplex capability
Sound ALC 655
Slots
On Board
Connector
PCI slot x5 Supports PCI cards
AGP slot x1 Supports AGP cards
Floppy connector x1 Each connector supports 2 Floppy drives
IDE Connector x2 Each connector supports 2 IDE device
SATA Connector x2 Each connector supports 1 SATA devices
Front Panel Connector x1 Supports fr ont panel facilities
Front Audio Connector x1 Supports front panel audio function
CD-in Connector x1 Supports CD audio-in function
2
6 channels audio output
AC 97 Version 2. 3
SPEC
S/PDIF out connector x1 Supports digital audio out function
CPU Fan header x1 CPU Fan power s upply (with Smart F an function)
System Fan header x1 System Fan Power supply
Chassis open header (opti onal) x1 F or chassis i ntruder detec tion function
CMOS clear header x1 R est ore CMOS data to factory default
USB connector x2 Each connector supports 2 front panel USB ports
Power Connector (20pin) x1 Connects to Power supply
Pow er Connector (4pin) x1 Connects to Power supply
PS/2 Keyboard x1
PS/2 Mouse x1
Back Panel
I/O
Board Size 204 x 297 (m m) ATX Form Factor
OS S upport Wi ndows 2K / XP
Printer Port x1
S e ri a l P ort x 1
LAN port x1
USB Port x4
Audio Jack x3
Connects to PS/2 Keyboard
Connects to PS/2 Mouse
Provide Parallel connection
Pr ovi de RS-232 S erial c onnect ion
Connects to RJ-45 ethernet cable
Connects to USB devices
Provide Audio-In/O ut and microphone c onnection
Biostar Reserves the right to add or remove support for
any OS With or without notice.
NF3 250 A M2
1.4REAR PANEL CONNECTORS
PS/2
Mouse
PS/2
Keyboard
P rinter Port
COM1 COM3
(optional)
LAN
USBX2USBX2
Line In/
Sur round
Line Out
Mic I n /
Base/Center
3
Mother board Manual
1.5MOTHERBOARD LAYOUT
JKBMS1
JUSB3
J
C
O
M
1
J
C
O
M
3
JUSBLAN1
JAUDIO
JPRNT 1
JAUDIO1
JUSBV1
JATXPWR2
JAT XP WR1
Super I/O
LAN
PCI1
SATA2SATA1
AGP1
BIOS
Socket A M2
JCFAN1
nVIDIA
nForce 3
250
DIMMA1
DIMMB1
FDD1
JSFAN2
(Optional)
4
JCDIN1
Codec
JSPDIF_OUT
(optional)
Note: represents the 1■
PCI2
PCI3
PCI4
PCI5
st
pin.
JUSBV3
JUSB2
JP ANE L1
JUSB1
IDE1
IDE2
BAT1
JCMOS1
JI R1(opt iona l )
JSFAN1
JCI 1
(Optional)
NF3 250 A M2
CHAPTER 2: HARDWARE INSTALLATION
2.1 INSTALLING CENTRAL PROCESSING UNIT (CPU)
Step 1: Remove the socket protecti on cap.
Step 2: Pull the lever toward direction A from the socket and then rai se the
lever up to a 90-degree angle.
Step 3: Look for the white triangle on socket, and the gold triangle on
CPU should point towards this white triangle. The CPU will fit only
in th e cor r ec t or i en t at io n.
5
Mother board Manual
Step 4: Hold the CPU down firmly, and then close the lever toward direct
B to com plete the insta ll ation.
Step 5: Put the CP U F an on the CPU a nd buckl e it. Connec t the CPU
FAN power cable to the JCFAN1. This completes the installati on.
6
NF3 250 A M2
2.2 FANHEADERS
These fan headers support cooling-fans built in the computer. The fan
cabl e and connector may be different accordi ng to the fan manufacturer.
Connect the fan cable to the connector while m atching the black wire to
pin#1.
JCFAN1: CPU Fan Heade r
JSFAN1/ J SF AN2(Op t iona l): System Fa n Head er
JCFAN1
JCFAN1
14
3
1
JSFAN1
JSFA N2
(O ption al)
Note:
The JCFAN1、JSFAN1/JSFAN2 support 4-pi n and 3-pin head c onnector. When
connecting with wires onto connectors, please note that the red wire is the positi ve and
shoul d be connected t o pi n#2, and the bl ac k wire is Ground and should be connected to
GND.
Pin Assignment
1 Ground
2 +12V
3
FAN RPM
rate sense
4 Smart Fan
Control
JSFAN1/JSFAN2
Pin Assignment
1 Ground
2 +12V
3
FAN RPM
rate sense
7
Mother board Manual
1
2.3 INSTALLING SYSTEM MEMORY
A. Me mo ry Mo du le s
DIMMA1D IMMB
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 fi rmly into the sl ot until the retaining
chip snap back in place and the DIMM is properly seated.
To t rigger t he Dual Channel f unc t ion of t he m ot herboard, the m em ory m odule
must mee t the following requiremen t s:
Install memory module of the same density in pairs, shown in the f ollowing
table.
Duual Channel Status
Disabled O X
Disabled X O
Enabled O O
(O means memory installed, X means memory not installed.)
The DRAM bus width of the memory module must be the same (x8 or
x16)
DIMMA1
DIMMB1
9
Mother board Manual
2.4 CONNECTORS AND SLOTS
FDD1: Floppy Disk Connector
The motherboard prov ides a standard f loppy disk c onnector t hat supports 360K,
720K, 1. 2M, 1.44M and 2. 88M floppy disk ty pes. This connect or supports the
provided f loppy driv e ribbon c ables .
1
2
IDE1/IDE2: Har d Disk Connec to rs
The motherboard has a 32-bit Enhanced PCI ID E Controller that prov ides PI O
Mode 0~4, Bus Mas t er, and Ult ra D MA 33/66/100/133 funct ionality. It has t wo
HDD connect ors ID E1 (primary) and IDE2 (secondary).
The IDE connectors can connect a m aster and a s lav e drive, s o y ou c an
connec t up to four hard disk drives. The first hard driv e should alway s be
connec t ed to IDE1.
33
34
IDE1
IDE2
2
1
40
39
10
NF3 250 A M2
PCI1~P CI5: Perip hera l Compo nen t Int erco nnect Slots
This mot herboard is equipped with 5 standard PCI slots. PCI stands for
Peripheral Com ponent Int erconnect, and it is a bus standard for expansion
cards . This PCI slot is designated as 32 bits.
PCI1
PCI2
PCI3
PCI4
AGP1 : Accel e rate d Graphics Port Slot
Your monit or will attach directly to that video card. This motherboard supports
video c ards for PCI slots, but it is also equipped with an Accelerat ed Graphics
Port (AGP). An AGP card will tak e adv ant age of AGP t ec hnology f or im proved
video efficiency and performance, espec ially with 3D graphics.
PCI5
AGP1
11
Mother board Manual
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 SETT INGS
JPANEL1: Front Panel Header
This 16-pin connector includes Power-on, Reset, HDD LED, Power LED, Sleep
butt on and speaker connection. It allows user to connect the PC case’s f ront
By c onnecting this connector, it will prov ide +12V t o C PU power circ uit .
1
4
23
JUSB1/JUSB2: Heade rs for USB 2.0 Ports at Front Panel
This header allows user to connect additional USB cable on the PC front panel,
and also can be connected with internal USB devices, like USB card reader.
JUSB2 JUSB1
210
19
Pin
Assignment
1 +12V
2 +12V
3 Ground
4 Ground
Assignment
Pin
1 +5V (fused)
2 +5V (fused)
3 USB4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
14
NF3 250 A M2
JUSBV1/JUSBV3: Power Sou rce H eade r s f or USB Ports
Pin 1-2 Close:
JU SBV1: +5V for U SB port s at JUSBLAN 1.
JU SBV3: +5V for U SB port s at front panel (JUSB1/JU SB2).
Pin 2-3 Close:
JU SBV1: USB ports at JU SBLAN1 are powered by +5V s t andby v olt age.
JU SBV3: USB ports at front panel (JU SB1/JUSB2) are powered by +5V
standb y voltage.
3
1
JUSBV1
1
3
JUSBV3
Pin 1-2 close
Pin 2-3 close
3
1
1
3
3
1
1
3
Note:
In order to support this function “Power-On s ystem via USB devic e,” “JUSBV1/ JUSBV3”
jumper cap should be plac ed on Pin 2-3 indi viduall y.
JSPD I F_O UT1: Digital Audi o-out Con nector (Op ti onal)
This connector allows user to connect the PCI bracket SPDIF output header.
Pin
Assignment
1 +5V
2 SPDIF_OUT
3 Ground
13
15
Mother board Manual
JAUDIO1: Fron t Panel Au dio Header
This header allows user to connect t he front audio out put cable with the PC front
panel. It will disable the output on back panel audio connectors.
JCDIN1: CD-R OM A ud io-in Connector
This connector allows user to connect the audio s ourc e f rom the variaty devices,
like CD-R OM, DVD-ROM, PCI sound card, PCI TV turner card etc..
Pin Assignment
1 Mic in/center
2 Ground
3 Mic power/Bass
4 Audio power
5 Right line out/
Speaker out Right
6 Right line out/
Speaker out Right
7 Reserved
8 Key
2
1
13
10 Left line out/
11 Right line in/
14
12 Right line in/
13 Left line in/
14 Left line in/
14
9 Left line out/
Speaker out Left
Speaker out Left
Rear speaker Right
Rear speaker Right
Rear speaker Left
Rear speaker Left
Pin
Assignment
1 Left Channel
Input
2 Ground
3 Ground
4 Right Channel
Input
16
NF3 250 A M2
S ATA1~ SATA2: Serial ATA Connectors
The motherboard has a PCI to SATA Cont roller with 2 channels SATA interf ace,
it satisfies the SATA 1.0 spec and with transfer rate of 1.5Gb/s.
Pin
Assignment
SATA2
SATA1
147
JCMOS 1 : C lear CMO S He a der
By plac ing the jumper on pin2-3, it allows user to restore the BIOS saf e sett ing
and the CMOS dat a, please carefully follow the procedures to avoid damaging
the m otherboard.
Pin 1-2 Close:
Normal Operation (default).
1 Ground
2 TX+
3 TX4 Ground
5 RX6 RX+
7 Ground
3
1
3
1
3
Pin 2-3 Close:
Clear CMOS data.
1
※ Clear CMOS Procedures:
1. Rem ov e AC power line.
2. Set the jumper to “Pin 2-3 close”.
3. Wai t for five seco n ds.
4. Set the jumper to “Pin 1-2 close”.
5. Power on the AC.
6. Res et your desired pass word or clear the CMOS data.
17
Mother board Manual
JCI1: Chassis Open Header (Optional)
This connector allows system to monitor PC cas e open stat us. If the signal has
been triggered, it will record to the CMOS and s how the message on next
boot-up.
Pin
Assignment
1 Case open signal
2 Ground
1
18
CHAPTER 4: USEFUL HELP
NF3 250 A M2
4.1 D
RIVER INSTALL ATION NOTE
After you installed your operating system, please insert the Fully Setup
Dri ver CD into your optical drive and install the dri ver for better system
performance.
You will see the following window after you insert the CD
The set up guide will auto detect your motherboard and operating syste m.
Note:
If this window didn’t show up aft er you insert the Driver CD, please use file browser to
l ocate and execut e th e fil e SETU P.EXE under yo ur o pti c al dr i ve.
A. Driver Install ation
To install the dri ver, please click on the Driver icon. The setup guide will
list the compatibl e driver for your m otherboard and operating system.
Click on each device driver to launch the installation program .
B. Software Installatio n
To install the software, please click on the Software icon. T he setup guide
will list the software available for your system, click on each software title
to la unch th e ins tallat io n pr ogr a m.
C. Manual
Asi de from the paperback manual, we also provide manual in the Driver
CD. Click on the Manual icon to browse for availabl e manual.
Note:
You will need Acrobat Read er to open the manual file. Ple ase download the late s t ve rs ion
of Acrobat Reader software from
One Short beep when system boot-up N o error found during POST
Long beeps every ot her second No DRAM detected or ins t all
Video card not found or v ideo c ard
mem ory bad
Sys t em will s hut down automat ically
4.3 EXT RA INFORMATION
A. BIOS Update
After yo u fail to update BIOS or BIOS is i n vaded by virus, the
Boot-Block function will help to restore BIOS. If the following message
is shown after boot-up the system, i t means the BIOS contents are
corrupted.
In thi s Case, please follow the procedure below to restore the BIOS:
1. Mak e a bootab le fl op py disk .
2. Download the Flash Utility “AWDFLASH.exe” from the Biostar
website: www.biostar.com.tw
3. Confirm motherboard model and download the respectively BIOS
fr om Bi os t ar w ebs ite.
4. Copy “AWDFLASH.exe” and respecti vely BIOS into floppy disk.
5. Insert the bootable disk into floppy drive and press Enter.
6. S y stem will boot-up t o DOS p romp t.
7. Type “Awdflash xxxx.bf/sn/py/ r” in DOS prompt.
(xxxx means BIOS name.)
8. S y stem will update BIOS au tomatic ally an d re sta rt.
9. The BIOS ha s bee n re cov ered and will work p roperly.
20
NF3 250 A M2
B. CPU Overheated
If the system shutdown automatically after power on system for
seconds, that means the CPU protection function has been activated.
When the CPU is over heated, the motherboard will shutdown
automatically to avoid a damage of the CPU, and the system may not
power on again.
In thi s case, please double check:
1. The CPU cooler surface is placed evenl y with the CPU surface.
2. CPU fan is rotated normally.
3. CPU fan speed is ful filling with the CPU speed.
After confirmed, pl ease follow steps below to rel ief the CPU protection
function.
1. Remove the power cord from power supply for seconds.
2. Wait for secon ds.
3. Plug in the power cord and boot up the system.
Or you can:
1. Clear the CMOS data.
(See “Close CMOS Header: JCMOS1” section)
2. Wait for secon ds.
3. P ower on the system again.
21
Mother board Manual
e
4.4 TROUBLESHOOTING
Probable Solution
1. N o power to t he system at all
Power light don’t illuminate, fan
inside power supply does not turn
on.
2. I ndic at or light on keyboard does
not t urn on.
Sys t em inoperativ e. Keyboard lights
are on, power indicat or lights are lit,
and hard drive is spinning.
Sys t em does not boot from hard dis k
drive, can be booted from optic al driv e.
Sys t em only boots f rom opt ic al driv e.
Hard disk can be read and applications
can be used but booting from hard disk
is imposs ible.
Screen m essage says “Invalid
Conf igurat ion” or “C MOS Failure.”
Cannot boot syst em aft er installing
sec ond hard driv e.
1. Make s ure power cable is
sec urely plugged in.
2. Replace cable.
3. Contact technical support.
Us ing even press ure on bot h ends of
the DIMM, press down f irm ly until the
module s naps into place.
1. C hec k cable running f rom disk to
disk controller board. Make sure
both ends are sec urely plugged
i n; ch ec k t he driv e t yp e in t he
standard CMOS setup.
2. Bac k ing up t he hard driv e is
ext rem ely import ant. All hard
disk s are capable of breaking
down at any t ime.
1. Bac k up dat a and applic at ions
files.
2. R eformat the hard driv e.
Re-ins t all applications and data
using backup disks.
Rev iew syst em’s equipment. Make sur
correc t information is in set up.
1. Set m as t er/ s lav e jum pers
correctly.
2. R un SETUP program and s elec t
correc t drive types. Call the drive
manufacturers for co mpatibilit y
with other drives.
22
NF3 250 A M2
CHAPTER 5: WARPSPEEDER™
5.1 INTRODUCTION
[WarpSpeeder™], a new powerful control utility, features three
user-friendly functions including Overclock Manager, Overvol tage
Manager, and Hardware Monitor.
With the Overclock M anager, users can easily adjust the frequency they
prefer or they can get the best CPU performance with just one click. The
Overvoltage Manager, on the other hand, helps to power up CPU core
vol tage and Me mor y volta ge. The co o l Har dw are Mo ni tor s mar t ly in d icates
the tem peratures, vol tage and CPU fan speed as well as the chi pset
information. Also, in the About panel, you can get detail descri ptions about
BIOS model and chipsets. In addition, the frequency status of CPU,
memory, AGP and PCI along with the CPU speed are synchronically
s how n on our ma i n p an el .
Moreover, to protect users' computer systems if the setting is not
appropriate when testing and results in system fail or hang,
[WarpSpeeder™] technology assures the system stability by automatically
rebooting the com puter and then restart to a speed that is ei ther the
original system speed or a suitable one.
5.2 SYSTEM REQUIREMENT
OS Support: Windows 98 SE, Windows Me, Wi ndows 2000, Windows XP
DirectX: DirectX 8.1 or above. (The Windows XP operating system
includes DirectX 8.1. If you use Windows XP, you do not need to instal l
Dir ec tX 8.1.)
23
Mother board Manual
5.3 INSTALLATION
1. Execute the setup execution file, and then the following dialog will pop
up. Please click “Next” button and follow the default procedure to
install.
2. When you see the following dialog in setup procedure, it means setup
is completed. If the “Launch the WarpSpeeder Tray Utility” checkbox
is che c ked, the Tray Ic on utility and [WarpSpeeder™] utility will b e
automatically and immediately launched after you click “Finish”
button.
24
Usage:
The following figures are j ust only for reference, the screen printed in
this use r man ual will chan ge ac c ord ing to your m otherboa rd on ha nd.
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