Biostar TForce 550 Owner's Manual
TForce 550 Setup Manual
FCC Information and Copyright
This equipment has been tested and found to comply with the limits of a Class
B digital device, pursuant to Part 15 of the 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 frequency
energy and, if not i nstalled and used in accordance with the instructions, may
cause harmful interference to radio communications. There is no guarantee
that interference will not occur in a particular installation.
The vendor makes no representations or warranties with respect to the
contents here and specially disclaims any implied warranties of merchantability
or fitness for any purpose. Further the vendor reserves the right to revise this
publication and to make changes to the contents here without obligation to
notify any party beforehand.
Duplication of this publication, in part 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 changed without notice and
we will not be responsible for any mistakes found in this user’s manual. All the
brand and product names are trademarks of their respective companies.
Table of Contents
Chapter 1: Introduction ........................................ 1
1.1 Before You Start ................................................................................ 1
1.2 Package Checklist............................................................................. 1
1.3 Motherboard Features...................................................................... 2
1.4 Rear Panel Connectors ..................................................................... 3
1.5 Motherboard Layout......................................................................... 4
Chapter 2: Hardware Installation........................... 5
2.1 Installing Central Processing Unit (CPU) ....................................... 5
2.2 FAN Headers...................................................................................... 6
2.3 Installing System Memory................................................................ 8
2.4 Connectors and Slots....................................................................... 10
Chapter 3: Headers & Jumpers Setup ................... 12
3.1 How to Setup Jumpers .................................................................... 12
3.2 Detail Settings.................................................................................. 12
Chapter 4: NVIDIA RAID Functions...................... 21
4.1 Operation System............................................................................ 21
4.2 Raid Arrays...................................................................................... 21
4.3 How RAID Works............................................................................. 21
CHAPTER 5: OverClock Quick Guide ..................... 24
5.1: T-Power Introduction...................................................................... 24
5.2: T-Power BIOS Feature.................................................................... 25
5.3 T-Power Windows Feature ............................................................ 33
Chapter 6: Useful Help......................................... 42
6.1 Driver Installation Note.................................................................. 42
6.2 Award BIOS Beep Code.................................................................. 43
6.3 Extra Information............................................................................ 43
6.4 Troubleshooting............................................................................... 45
Appendencies: SPEC In Other Language .............. 46
German.................................................................................................................. 46
France .................................................................................................................... 48
Italian..................................................................................................................... 50
Spanish ................................................................................................................... 52
Portugue se ............................................................................................................ 54
Polish...................................................................................................................... 56
RUSSIAN ................................................................................................................. 58
ARABIC.................................................................................................................. 60
JAPANESE.............................................................................................................. 62
TForce 550
CHAPTER 1: INTRODUCTION
1.1 B
EFORE YOU START
Thank you for choosing our product. Before you start installing the
motherboard, please make sure you follow the instructions below:
Prepare a dry and stable working environment with
sufficient lighting.
Always disconnect the computer from power outlet
before operation.
Before you take the motherboard out from anti-static
bag, ground yourself properly by touching any safely
grounded appliance, or use grounded wrist strap to
remove the static charge.
Avoid touching the components on motherboard or the
rear side of the board unless necessary. Hold the board
on the edge, do not try to bend or flex the board.
Do not leave any unfastened small parts inside the
case after installation. Loose parts will cause short
circuits which may damage the equipment.
Keep the computer from dangerous area, such as heat
source, humid air and water.
1.2 PACKAGE CHECKLIST
FDD Cable X 1
HDD Cable X 1
Serial ATA Cable X 1
Serial ATA Power Cable X 1
Rear I/O Panel for ATX Case X 1
User’s Manual X 1
Fully Setup Driver CD X 1
USB 2.0 Cable X1 (optional)
S/PDIF out Cable X 1 (optional)
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Motherboard Manual
1.3 MOTHERBOARD FEATURES
SPEC
Socket AM2
CPU
FSB Support HyperTransport Support up to 1000 MHz Bandwidth
Chipset
Super I/O
Main
Memory
IDE
SATA II Integrated Serial ATA Controller
LAN Marvell 88E1116 PHY 10 / 100 Mb/s and 1Gb/s Auto-Negotiation
Sound ALC 861 / 883 (optional)
Slots
On Board
Connector
AMD Athlon 64 / Athlon 64 FX / Sempron
processors
nVIDIA nForce 550
ITE 8712F / 8716F
Prov ides the most commonly us ed leg acy
Super I/O functionality.
Low Pin Count Interface
DIMM Slots x 4
Each DIMM supports 256/512MB & 1GB
DDR2
Max Memory Capicity 4GB
Int egr at ed ID E Co ntro lle r
Ultra DMA 33 / 66 / 100 / 133 Bus Master
Mod e
PCI slot x4 Supports PCI expansion cards
PCI Express x16 slot x1 Supports PCI Express x16 expansion cards
PCI Express x 1 slot x2 Supports PCI Express x1 expansion cards
Floppy connector x1 Each connector supports 2 Floppy drives
Printer Port connecto r x1 Each conne ctor s upports 1 Printer port
IDE Conn ector x1 Each conne ctor suppo rts 2 IDE dev ice
SATA Connector x4 Each conne ctor s upports 1 SATA devices
Front Panel Connector x1 Supports front panel facilities
Front Audio Connector x1 Supports front panel audio function
CD-in Connector x1 Supports CD audio-in function
S/PDIF out connector x1 Supports digital audio out function
CPU Fan header x1 CPU Fan power supply (with Smart Fan function)
System Fan head er x3 Syst em Fan Po wer supply
Chassis open header (opt ional) x1 For chassis intruder detection function
CMOS clear header x1 Restore CMOS data to factory default
AMD 64 Architecture enables 32 and 64 bit computing
Supports Hyper Transport and Cool=n=Quiet
En v ironm ent C ontro l in it iat ives,
H/W Mon ito r
Fan Sp eed Contro ller
ITE's "S mart Guardian " function
Dual Channel Mode DDR2 me mo ry modu le
Supports DDR2 400 / 533 / 667 / 800
Registered DIMM and Non-ECC DIMM is not supported
supports PIO Mode 0~4.
Data transfer rates up to 3 Gb/s.
SATA Vers ion 2.0 spe cif ic at io n co mpliant .
8 chan nels audio out
HD Aud io
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TForce 550
SPEC
USB connector x 2 Each connector supports 2 front panel USB ports
Power Connector (24pin) x1 Connects to Power supply
Power Connector (4pin) x1 Connects to Power supply
PS/2 Keyboard x1
PS/2 Mous e x1
Back Panel
I/O
Board Size ATX Form Factor 219 x 304 (mm)
Special
Features
OS Support Windows 2K / XP
Serial Port x1
LAN port x1
USB Port x6
Audio Jack x6
NVIDIA nTunes
RAID 0 / 1 / 0+1support
Connects to PS/2 Keyboard
Connects to PS/2 Mouse
Provide RS-232 Serial connection
Connects to RJ-45 et hernet cab le
Connects to USB devices
Provide Audio-In/Out and microphone connection
Biostar Reserves the right to add or remove support for
any OS With or without notice.
1.4 REAR PANEL CONNECTORS
PS/ 2
Mouse
PS/ 2
Keybo ard
COM1 USBX2USBX2
Center
Rear
Side
USBX2
Line In
Lin e Out
Mic In
LAN
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Motherboard Manual
1.5 MOTHERBOARD LAYOUT
JKBMSV1
JKBMS1
JATXPWR2
JCOM 1
JUSB3
J USB V2
JUSB4
JUSBLAN1
LAN
JAUDIO1
JATXPWR1
PEX16_1
JCFAN1
Socke t A M2
DDR2A 1
DDR2B 1
DDR2B 2
DDR2A 2
JDDRII_2.2V
Codec
Super I/O
PEX1_1
PEX1_2
BIOS
JSPDIF_OUT
JAUDI OF1
JCDIN1
Note: ■ represents the 1st pin.
4
PCI 1
PCI 2
PCI 3
PCI 4
JPRNT1
nForce 550
FDD1
IDE1
JNFAN1
JSFAN2
J SATA4
JCI1
JCMOS1
BAT1
J USB V1
LED1
LED2
JUSB2 JUSB1
JPANEL1
J SATA3
J SATA2
J SATA1
JSFAN1
PWRSW1RSTSW1
TForce 550
CHAPTER 2: HARDWARE INSTALLATION
2.1 I
NSTALLING CENTRAL PROCESSING UNIT (CPU)
Step 1: Remove the socket protection cap.
Step 2: Pull the lever toward direction A from the socket and then raise 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 forwards this white triangle. The CPU will fit
only in the correct orientation.
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Motherboard Manual
Step 4: Hold the CPU down firmly, and then close the lever toward direct
B 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.
2.2 FAN HEADERS
These fan headers support cooling-fans built in the computer. The fan
cable and connector may be different according to the fan manufacturer.
Connect the fan cable to the connector while matching the black wire to
pin#1.
JCFAN1: CPU Fan Header
JCFAN1
4
1
Pin
1 Ground
2 Smart Fan
3
4 Smart Fan
Assignment
Control
FAN RPM
rate sense
Control
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TForce 550
JSFAN1/JSFAN2: System Fan Header
JSFAN1
Pin Assignment
1 Ground
2 Smart Fan
Control
3
FAN RPM r ate
sense
JSFAN2
Pin Assignment
1 Ground
2 +12V
3
NC
Pin
Assignment
1 Ground
2 +12V
3 FAN RPM
rate sense
JNFAN1: North Bridge Fan Header
1
3
JSFAN2
1
3
JSFAN1
JNFAN1
3
1
Note:
The JSFAN1/JSFAN2 and JNFAN1 support 3-pin head connector. When connecting with
wires onto connectors, please note that the red wire is the positive and should be
connected to pin#2, and the black wire is Ground and should be connected to GND.
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Motherboard Manual
2.3 INSTALLING SYSTEM MEMORY
DDR2A 1
DDR2B 1
DDR2B 2
DDR2A 2
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.
B. Memory Capacity
DIMM Socket
Location
DDR2A1 256MB/512MB/1GB *1
DDR2B1 256MB/512MB/1GB *1
DDR2A2 256MB/512MB/1GB *1
DDR2B2 256MB/512MB/1GB *1
DDR/DDR2 Module
Total Memory Size
Max is 2GB.
Max is 2GB.
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TForce 550
C. Dual Channel Memory installation
To trigger the Dual Channel function of the motherboard, the memory module
must meet the following requirements:
Install memory module of the same density in pairs, shown in the following
table.
Duual Channel Status
Enabled O O X X
Enabled X X O O
Enabled O O O O
DDR2A1
(O means memory installed, X means memory not installed.)
The DRAM bus width of the memory module must be the same (x8 or
x16)
DDR2B1 DDR2A2 DDR2B2
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Motherboard Manual
2.4 CONNECTORS AND SLOTS
FDD1: Floppy Disk Connector
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.
IDE1: Hard Disk Connectors
The motherboard has a 32-bit Enhanced PCI IDE Controller that provides PIO
Mode 0~4, 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.
34 33
12
10
IDE1
3940
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TForce 550
PEx16-1: 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.
PEx1_1/PEx1_2: PCI-Express x1 slots
- PCI-Express 1.0a compliant.
- Data transfer bandwidth up to 250MB/s per direction; 500MB/s in total.
- PCI-Express supports a raw bit-rate of 2.5Gb/s on the data pins.
- 2X bandwidth over the traditional PCI architecture.
PEX16-1
PEX1_1
PEX1_2
PCI1~PCI4: Peripheral Component Interconnect Slots
This motherboard is equipped with 4 standard PCI slots. PCI stands for
Peripheral Component Interconnect, and it is a bus standard for expansion
cards. This PCI slot is designated as 32 bits.
PCI 1
PCI 2
PCI 3
PCI 4
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Motherboard Manual
CHAPTER 3: HEADERS & JUMPERS SETUP
3.1 H
OW 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
JPANEL1: Front Panel Header
This 16-pin connector includes Power-on, Reset, HDD LED, Power LED, Sleep
button and speaker connection. It allows user to connect the PC case’s front
panel switch functions.
PWR_ LED
SLP
9
1
SPK
++
HLED
+
On/Off
-
-
RST
16
8
12
Pin Assignment Function Pin Assignment Function
1 +5V 9 Sleep control
2 N/A 10 Ground
3 N/ A 1 1 N/ A N/A
4 Speaker
5 HDD LED (+) 13 Power LED (+)
6 HDD LED (-)
7 Ground 15 Power button
8 Reset control
Speaker
Connector
Hard drive
LED
Reset button
12 Power LED (+)
14 Power LED (-)
16 Ground
Sleep button
Power LED
Power-on button
This 16-pin connector includes Power-on, Reset, HDD LED, Power LED, Sleep
button and speaker Connection. It allows user to connect the PC case’s front
panel switch functions.
TForce 550
2
JATXPW R1: AT X Power Source Connector
This connector allows user to connect 24-pin power connector on the ATX
power supply.
Pin Assignment
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
13
1
1224
7 Ground
8 PW_OK
9 Standby
Voltage +5V
10 +12V
11 +12V
12 +3.3V
13 +3.3V
14 -12V
15 Ground
16 PS-ON
17 Ground
18 Ground
19 Ground
20 NC
21 +5V
22 +5V
23 +5V
24 Ground
JATXPW R2: AT X Power Source Connector
By connecting this connector, it will provide +12V to CPU power circuit.
1
34
Pin
Assignment
1 +12V
2 +12V
3 Ground
4 Ground
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Motherboard Manual
JUSB1/JUSB2: Headers 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.
2910
1
Assignment
Pin
1 +5V (fused)
2 +5V (fused)
3 USB4 USB5 USB+
6 USB+
7 Ground
8 Ground
9 Key
JUSBV1/JUSBV2/JKBMSV1: Power Source Headers for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at front panel (JUSB1/JUSB2).
JUSBV2: +5V for USB ports at JUSBLAN1, JUSB3 / JUSB4.
JKBMSV1: 5V for PS/2 keyboard and mouse.
Pin 2-3 Close:
JUSBV1: USB ports at front panel (JUSB1/JUSB2) are powered by +5V
standby voltage.
JUSBV2: USB ports at JUSBLAN1, JUSB3 / JUSB4 are powered by +5V
standby voltage.
JKBMSV1: PS/2 mouse and keyboard are powered with +5V standby
voltage.
3
JKBMSV1
1
JUSBV2
JUSBV1
13
Note:
In order to support this function “Power-On system via USB device,” “JUSBV1/ JUSBV2”
jumper cap should be placed on Pin 2-3 individually.
14
3
1
3
1
Pin 1-2 close
1
3
3
1
Pin 2-3 close
TForce 550
JAUDIOF1: Front Panel Audio Header
This header allows user to connect the front audio output cable with the PC front
panel. It will disable the output on back panel audio connectors.
Pin Assignment
1 Mic Left in
2 Ground
3 Mic Right in
4 GPIO
5 Right line in
6 Jack Sense
2
10
19
JCDIN1: CD-ROM Audio-in Connector
This connector allows user to connect the audio source from the variaty devices,
like CD-ROM, DVD-ROM, PCI sound card, PCI TV turner card etc.
1
4
7 Front Sense
8 Key
9 Left line in
10 Jack Sense
Assignment
Pin
1 Left Channel
Input
2 Ground
3 Ground
4 Right Channel
Input
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Motherboard Manual
JCMOS1: Clear CMOS Header
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.
Pin 1-2 Close:
Normal Operation
(default).
3
1
13
Pin 2-3 Close:
Clear CMOS data.
3
1
※ Clear CMOS Procedures:
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.
JCI1: Chassis Open Header (optional)
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
1 Case open
signal
2 Ground
16
12
TForce 550
JSATA1~JSAT A4: Serial AT A Connectors
The motherboard has a PCI to SATA Controller with 2 channels SATA interface,
it satisfies the SATA 2.0 spec and with transfer rate of 3.0Gb/s.
Pin Assignment
1 Ground
2 TX+
3 TX4 Ground
5 RX6 RX+
7 Ground
1
47
JSPDIF_OUT: Digital Audio out Connectors
This connector allows user to connect the PCI bracket SPDIF output header.
JSPDIF_OUT
3
1
Pin
Assignment
1 +5V
2 SPDIF_OUT
3 Ground
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Motherboard Manual
JPRNT1: Printer Port Connector
This header allows you to connector printer on the PC.
2
1
25
Pin Assignment Pin Assignment
1 -Strobe 14 Ground
2 -ALF 15 Data 6
3 Data 0 16 Ground
4 -Error 17 Data 7
5 Data 1 18 Ground
6 -Init 19 -ACK
7 Data 2 20 Ground
8 -Scltin 21 Busy
9 Data 3 22 Ground
10 Ground 23 PE
11 Data 4 24 Ground
12 Ground 25 SCLT
13 Data 5
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TForce 550
JDDRII_2.2V : Header for Memory Voltage Overclocking
When processing Memory Voltage Overclocking, please place the jumper to
pin1-2 Closed. The Default setting is Pin 2-3 Closed.
3
1
Pin 1-2 Close:
Normal status (default).
3
1
3
1
Pin 2-3 Close:
Memory voltage Overclocking.
Note:
1. When “JDDRII_2.2V” jumper cap is placed on Pin 1-2, memory voltage
can be manually adjusted under CMOS setup.
2. When “JDDRII_2.2V” jumper cap is placed on Pin 2-3, memory voltage
will be fixed at 2.2V automatically, and can’t be adjusted under COMS
setup.
Before setting memory voltage overclocking, please ensure that your DDR
supports up to 2.2V. (Consulting your DDR2 memory module supplier)
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Motherboard Manual
On-Board LED Indicators
There are 2 LED indicators on the motherboard to show system status.
LED1 and LED2:
These 2 LED indicate system power on diagnostics.
Please refer to the table below for different messages:
LED1 LED2 Message
ON ON Norm al
ON OFF Memory Error
OFF ON VGA Error
OFF OFF Abnormal: CPU / Chipset error.
LED1 LED2
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TForce 550
CHAPTER 4: NVIDIA RAID FUNCTIONS
4.1 O
z Supports Windows XP Home/Professional Edition, and Windows 2000 Professional.
PERATION SYSTEM
4.2 RAID ARRAYS
NVRAID supports the following types of RAID arrays:
RAID 0: RAID 0 defines a disk striping scheme that improves disk read and write times for
many applications.
RAID 1: RAID 1 defines techniques for mirroring data.
RAID 0+1: RAID 0+1 combines the techniques used in RAID 0 and RAID 1.
4.3 HOW RAID WORKS
RAID 0:
The controller “stripes” data across multiple drives in a RAID 0 array system. It breaks
up a large f ile into smal ler b locks and perf orm s disk rea ds and w rite s acr oss multip le
drives in parallel. The size of each block is determined by the stripe size parameter,
which you set during the creation of the RAID set based on the system environment. This
technique reduces overall disk access time and offers high bandwidth.
Features and Benefits
Drives: Minimum 1, and maximum is up to 6 or 8. Depending on the
platform.
Uses: Intended for non-critical data requiring high data throughput, or any
environment that does not require fault tolerance.
Benefits: provides increased data throughput, especially for large files. No
capacity loss penalty for parity.
Drawbacks: Does not deliver any fault tolerance. If any drive in the array
fails, all data is lost.
Fault Tolerance: No.
Block 1
Block 3
Block 5
Blo ck 2
Block 4
Block 6
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Motherboard Manual
RAID 1:
Every read and write is actually carried out in parallel across 2 disk drives in a RAID 1
array system. The mirrored (backup) copy of the data can reside on the same disk or on
a second redundant drive in the array. RAID 1 provides a hot-standby copy of data if
the active volume or drive is corrupted or becomes unavailable because of a hardware
failure.
RAID techniques can be applied for high-availability solutions, or as a form of
automatic backup that eliminates tedious manual backups to more expensive and less
reliable media.
Features and Benefits
Drives: Minimum 2, and maximum is 2.
Uses: RAID 1 is ideal for small databases or any other application that
requires fault tolerance and minimal capacity.
Benefits: Provides 100% data redundancy. Should one drive fail, the
controller switches to the other drive.
Drawbacks: Requires 2 drives for the storage space of one drive.
Performance is impaired during drive rebuilds.
Fault Tolerance: Yes.
22
Block 1
Block 2
Block 3
Block 1
Block 2
Block 3
TForce 550
RAID 0+1:
RAID 0 drives can be mirrored using RAID 1 techniques. Resulting in a RAID 0+1
solution for improved performance plus resiliency.
Features and Benefits
- Drives: Minimum 4, and maximum is 6 or 8, depending on the platform.
- Benefits: Optimizes for both fault tolerance and performance, allowing for
automatic redundancy. May be simultaneously used with other RAID
levels in an array, and allows for spare disks.
- Drawbacks: Requires twice the available disk space for data redundancy,
the same as RAID level 1.
- Fault Tolerance: Yes.
Blo ck 1
Block 3
Block 5
Block 2
Block 4
Block 6
Block 1
Blo ck 3
Blo ck 5
Block 2
Block 4
Block 6
※ For more detailed setup information, please refer to the Driver CD, or go to
http://www.nvidia.com/page/pg_20011106217193.html to download NVIDIA nForce Tutorial Flash.
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Motherboard Manual
CHAPTER 5: OVERCLOCK QUICK GUIDE
5.1: T-P
Biostar T-Power is a whole new utility that is desig ned for overclock users.
Based on many precise tests, Biostar Engineering Team (BET) has
developed this ultimate overclock engine to raise system performance.
No matter whether under BIOS or Windows interface, T-Power is able to
present the best system state according to users’ overclock setting.
OWER INTRODUCTION
T-Power BIOS Features:
Overclocking Navigator Engine (O.N.E.)
CMOS Reloading Program (C.R.P.)
Memory Integration Test (M.I.T., under Overclock Navigator Engine)
Integrated Flash Program (I.F.P.)
Smart Fan Function (under PC Health Status)
Self Recovery System (S.R.S)
T-Power Windows Feature:
Hardware Monitor
Overclock Engine
Smart Fan Function
Life Update
24
TForce 550
5.2: T-POWER BIOS FEATURE
A. Overclocking Navigator Engine (O.N.E.):
ONE provides two powerful overclocking engines: MOS and AOS for both
Elite and Casual overclockers.
Manual Overclock System (M.O.S.)
MOS is designed for experienced overclock users.
It allows users to customize personal overclock settings.
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Motherboard Manual
CPU Overclock Setting:
CPU Voltage:
This function will increase CPU stability when overclocking. However, the
CPU temperature will increase when CPU voltage is increased.
Choices: The adjustable range is from 0.800V to 2.310V.
CPU Frequency:
CPU Frequency is directly in proportion to system performance. To
maintain the system stability, CPU voltage needs to be increased also
when raising CPU frequency.
Choices: This range is from 200 to 450, with an interval of 1MHz.
Memory Overclock Setting:
Memory Voltage :
This function will increase memory stability when overclocking.
Choices: The range is from 1.80V to 2.1V, with an interval of 0.05V.
Me mc lock Fre que ncy:
To get better system performance, sometimes downgrading the memory
frequency is necessary when CPU frequency is adjusted over the upper
limit.
Choices: DDR2 400, DDR2 533, DDR2 667, DDR2 800 (MHz).
PCI-Express Overclock Setting:
PCIE Clock:
It helps to increase VGA card performance.
Choices: The range is from 100 to 145, with an interval of 1MHz.
Chipset Overclock Setting:
NB/SB Voltage Regulator:
This function will increase chipset stability when overclocking.
Choices: 1.52V, 1.60V, 1.68V, 1.76V.
HT Fre que ncy:
We recommend users to set this item at “x4” when overclocking.
Choices: x1, x2, x3, x4, x5, Auto.
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TForce 550
Automatic Overclock System (A.O.S.)
For beginners in overclock field, BET had developed an easy, fast, and
powerful feature to increase the system performance, named A.O.S.
Based on many tests and experiments, A.O.S. provides 3 ideal overclock
configurations that are able to raise the system performance in a single
step.
V6 Tech Engine:
This setting will raise about 10%~15% of whole system performance.
V8 Tech Engine:
This setting will raise about 15%~25% of whole system performance.
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Motherboard Manual
V12 Tech Engine:
This setting will raise about 25%~30% of whole system performance.
Notices:
1. Not all types of AMD CPU perform above overclock setting ideally; the difference will be based
on the selected CPU model.
2. From BET experiments, the Atholon64 FX CPU is not suitable for this A.O.S. feature.
B. CMOS Reloading Program (C.R.P.):
It allows users to save different CMOS settings into BIOS-ROM.
Users are able to reload any saved CMOS setting for customizing system
configurations.
Moreover, users are able to save an ideal overclock setting during overclock
operation.
There are 50 sets of record addresses in total, and users are able to name the
CMOS data according to personal preference.
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