The motherboard contains numerous delicate electronic circuits and components which can
become damaged as a result of electrostatic discharge (ESD). Thus, prior to installation, please
follow the instructions below:
1. Please turn off the computer and unplug its power cord.
2. When handling the motherboard, avoid touching any metal leads or connectors.
3. It is best to wear an electrostatic discharge (ESD) cuff when handling electronic components
(CPU, RAM).
4. Prior to installing the electronic components, please have these items on top of an antistatic pad or
within a electrostatic shielding container.
5. Please verify that you the power supply is switched off before unplugging the power supply connector
from the motherboard.
Installation Notices
1. Prior to installation, please do not remove the stickers on the motherboard. These stickers are required
for warranty validation.
2. Prior to the installation of the motherboard or any hardware, please first carefully read the information
in the provided manual.
3. Before using the product, please verify that all cables and power connectors are connected.
4. To prevent damage to the motherboard, please do not allow screws to come in contact with the
motherboard circuit or its components.
5. Please make sure there are no leftover screws or metal components placed on the motherboard or
within the computer casing.
6. Please do not place the computer system on an uneven surface.
7. Turning on the computer power during the installation process can lead to damage to system
components as well as physical harm to the user.
8. If you are uncertain about any installation steps or have a problem related to the use of the product,
please consult a certified computer technician.
English
Instances of Non-Warranty
1. Damage due to natural disaster, accident or human cause.
2. Damage as a result of violating the conditions recommended in the user manual.
3. Damage due to improper installation.
4. Damage due to use of uncertified components.
5. Damage due to use exceeding the permitted parameters.
6. Product determined to be an unofficial Gigabyte product.
Hardware Installation- 9 -
English
1-2Feature Summary
CPUw Supports the latest Intel® Pentium® 4 Socket 478 CPU
w Supports 800/533/400MHz FSB
w L2 cache var ies with CPU
Chipsetw North Bridge: ATi RX330
w South Bridge: ATi SB300(IXP 300)
Memoryw 4 DDR DIMM memory slots (supports up to 4GB memory)
w Supports 2.5V DDR DIMM
w Supports dual channel DDR 400/333/266/200 DIMM
Slotsw 5 PCI slots
w 1 A GP slot
IDE Connectionsw 2 IDE connection (UDMA 33/ATA 66/ATA 100/ATA 133), allows connection of 4
IDE devices
FDD Connectionsw 1 FDD connection, allows connection of 2 FDD devices
Onboard SATAw 2 Serial ATA connections
Peripheralsw 1 parallel port supporting Normal/EPP/ECP mode
w 1 Serial port (COMA), onboard COMB connection
w 8 USB 2.0/1.1 ports (rear x 4, front x 4 via cable)
w 1 front audio connector
w 1 IR connector
w 1 PS/2 keyboard port
w 1 PS/2 mouse port
Onboard LAN(*
)
w Onboard RTL8100C Chipset (10/100 Mbit)
w 1 RJ 45 port
Onboard Audiow Realtek ALC655 CODEC
w Support Jack-Sensing
w Supports 2 / 4 / 6 channel audio
w Line Out / 2 front speaker
w Line In / 2 rear speaker(by s/w switch)
w Mic In / center& subwoofer(by s/w switch)
w Supports SPDIF In/Out connection
w CD In
(Note 1)
(Note 2)
(Note 1) Due to standard PC architecture, a certain amount of memory is reserved for system usage and
therefore the actual memory size is less than the stated amount.
For example, 4 GB of memory size will instead be shown as 3.xxGB memory during system startup.
(Note 2) Due to chipset limitation, the total number of memory chips of memory module(s) installed in the
same channel cannot be more than eight, otherwise DDR400 mem ory will slow down to DDR333.
For the latest information about mem ory modules supported on this motherboard, please go to
GIGABYTE's website.
(*)
Only for GA-8TRX330-L.
GA-8TRX330(-L) M otherboard- 10 -
I/O Controlw IT8712
Hardware Monitorw System voltage detection
w CPU temperature detection
w CPU / System fan speed detection
w CPU warning temperature
w CPU / System fan failure warningBIOSw Use of licensed AWARD BIOS
w Supports Q-FlashAdditional Featuresw Supports @BIOS
w Supports EasyTune
Overclockingw Over Clock via BIOS (CPU)
Form Factorw ATX form factor; 30.5cm x 24.4cm
English
Hardware Installation- 11 -
English
1-3Installation of the CPU and Heatsink
Before installing the CPU, plea se comply with the following conditions:
1. Please make su re that the motherboard supports the CPU.
2. Please take note of the one indented corner of the CPU. If you install the CPU in the wrong
direction, the CPU will not insert properly. If this occurs, please change the insert direction
of the CPU.
3. Please add an even layer of heat sink paste between the CPU and heatsink.
4. Please m ake sure the heatsink is installed on the CPU prior to system use, otherwise
overheating and permanent damage of the CPU may occur.
5. Please set the CPU host frequency in accordance with the processor specifications. It is not
recomm ended that the system bus frequency be set beyond hardware specifications since it
does not meet the required standards for the peripherals. If you wish to set the frequency
beyond the proper specifications, please do so according to your hardware specifications
including the CPU, graphics card, memory, hard drive, etc.
HT functionality r equirement content :
Enabling the functionality of Hyper-Threading Technology for your comp uter system requires all
of the following platform com ponents:
- CPU: An Intel® Pentium 4 Processor with HT Tec hnology
- Chipset: An ATi Chipset that supports HT Technology
- BIOS: A BIOS that supports HT Tech nology and has it enabled
- OS: An operation system that has optimizations for HT Technology
1-3-1 Installation of the CPU
Fig. 1
Angling the
rod to 65
GA-8TRX330(-L) M otherboard- 12 -
Pin1 indicator
Angling the rod to 65-
0
degree maybe feel a
kind of tight , and then
continue pull the rod to
90 -d egree when a
"click" noise is heard.
Fig. 3
CPU Top View
Pin1 indicator
Socket
Actuation
Lever
Fig. 2
Pull the rod to the
90-degree directly.
Fig. 4
Locate Pin 1 in the
socket and look
for a (golden) cut edge
on the CPU
upper corner. Then
insert the CPU
into the socket.
1-3-2 Installation of the Heatsink
Before installing the CPU cool fan , adhere to the following warning:
1. Please use Intel approved cooling fan.
2. We recommend you to apply the thermal tape to provide better heat conduction
between your CPU and cooling fan.
(The CPU cooling fan might stick to the CPU due to the hardening of the
thermal paste. During this condition if you try to remove the cooling fan, you
might pull the processor out of the CPU socket alone with the cooling fan, and
might damage the processor. To avoid this from happening, we suggest you to
either use thermal tape instead of therm al paste, or rem ove the cooling fan with
extreme caution.)
3. Make su re the CPU fan power cable is plugged in to the CPU fan connector, this
completes the installation. Please refer to CPU cooling fan user's manual for
more detail installation procedure.
English
Fig.1
Fasten the cooling fan
supporting-base onto
the CPU socket on the
motherboard.
Fig. 2
Make sure the CPU fan
is plugged to the CPU
fan connector, than
install com plete.
Hardware Installation- 13 -
1-4Installation of Memory
English
Bef ore ins talli ng the memory mod ules , ple ase comply wit h t he fol lowin g cond itions:
1 .Ple ase mak e sure t hat t he memo ry used is suppor ted by the mothe rboa rd. It is recommend ed that
mem ory of simi lar cap aci ty, s pec ifica tion s and brand b e u sed.
2 .Befo re i nstall ing or r emovin g me mory modul es, pl ease make sure tha t th e comp uter power is swit ched
of f t o prev ent hardw are da mage .
3 .Mem ory mod ules hav e a fo olpr oof inserti on des ign. A me mory mo dule can be ins talled in only one
dir ectio n. If you are unable to i nsert t he modul e, ple ase switc h the dire ction .
The motherboard supports DDR mem ory modules, whereby BIOS will automatically detect mem ory
capacity and specifications. Mem ory modules are designed so that they can be inserted only in one direction.
The memor y capacity used can differ with each slot.
Notch
DDR
Fig.1
The DIMM socket has a notch, so the DIMM m emory module
can only fit in one direction. Insert the DIM M mem ory module
vertically into the DIMM socket. Then push it down.
Fig.2
Close the plastic clip a t both edges of the DIMM sock ets to
lock the DIMM module.
Reverse the installation steps when you wish to remov e the
DIMM module.
GA-8TRX330(-L) M otherboard- 14 -
Dual Channel DDR
GA-8TRX330(-L) supports the Dual Channel Technology. After operating the Dual Channel Technology, the
bandwidth of Memory Bus will add double.
GA-8TRX330(-L) includes 4 DIMM sockets, and each Channel has two DIMM sockets as following:
Channel A : DDR 1, DDR 2
Channel B : DDR 3, DDR 4
If you want to operate the Dual Channel Technology, please note the following explanations due
to the lim itation of Intel chipset speci fications.
1. One/three DDR memory module is installed: The Dual Channel Technology can't operate
when only one DDR mem ory module is installed.
2. Two DDR mem ory modules are installed (the same mem ory size and type): The Dual
Channel Technol ogy will operate when two mem ory modules are inserted individually into
Channel A and B. If you install two memory m odules in the same channel, the Dual Channel
Technology will not operate.
3. Four DDR mem ory modules are installed: If you install four mem ory modules at the same
time, the Dual Channel Technology will operate only when those modules have the same
mem ory size and type.
We'll strongly recomm end our user to slot two DDR mem ory modules into the DIMM s with the same color in
order for Dual Channel Technology to work.
The following table is for Dual Channel Technology combin ation: (DS: Double Side, SS: Single Side)
DDR 1DDR 2DDR 3DDR 4
2 mem ory modules
4 mem ory modules
DS/SSXDS/SSX
XDS/SSXDS/SS
DS/SSDS/SSDS/SSDS/SS
English
Hardware Installation- 15 -
English
1-5Installation of Expansion Cards
You can install your expansion card by following the steps outlined below:
1. Read the related expansion card's instruction docum ent before install the expansion card into the
computer.
2. Rem ove your computer's chassis cover, screws and slot bracket from the computer.
3. Press the expansion card firmly into expansion slot in motherboard.
4. Be sure the metal contacts on the card are indee d seated in the slot.
5. Replace the screw to secure the slot bracket of the expansion card.
6. Replace your computer's chassis cover.
7. Power on the computer, if necessary, setup BIOS utility of expansion card from BIOS.
8. Install related driver from the operating system.
Installing a AGP expansion card:
Please carefully pull out the small white- drawable
bar at the end of the AGP slot when you try to install/
AGP Card
Uninstall the AGP card. Please align the AG P card to
the onboard AGP slot and press firm ly down on the
slot .Make sure your AGP card is locked by the small
white- drawable bar.
When an AGP 2x (3.3V) car d is installed the 2X_DET will light up, indicating a non-suppo rted
graphics card is inserted. Informing users that system might not boot up normally due to AGP 2x
(3.3V) is not supported by the chipset.
GA-8TRX330(-L) M otherboard- 16 -
1-6I/O Back Panel Introduction
(*)
PS/2 Keyboard and PS/2 Mouse Connector
To install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the keyboard to the
lower port (purple).
Parallel Port
The parallel port allows connection of a printer, scanner and other peripheral devices.
COM A (Serial Port)
Connects to serial-based mouse or data processing devices.
USB port
Before you connect your device(s) into USB connector(s), please make sure your device(s) such as
USB keyboard, mouse, scanner, zip, speaker...etc. have a standard USB interface. Also make sure
your OS supports USB controller. If your OS does not support USB controller, please contact OS ven
dor for possible patch or driver upgrade. For more information please contact your OS or device(s)
vendors.
LAN Port (*
The provided Internet connection is fast Ethernet, providing data transfer speeds of 10/100Mbps.
Line In
Devices like CD-ROM, walkman etc. can be connected to Line In jack.
Line Out
Connect the stereo speakers, earphone or front surround channels to this connector.
MIC In
Microphone can be connected to MIC In jack.
)
English
You can use audio software to configure 2-/4-/6-channel audio functioning.
(*)
Only for GA-8TRX330-L.
Hardware Installation- 17 -
1-7Connectors Introduction
English
4
12
9
13
14
1)ATX_12V
2)ATX (Power Connector)
3)CPU_FAN
4)SYS_FAN
5)FDD
6)IDE1/IDE2
7)S_ATA1 / S_ATA2
8)LED1
9)2X_DET
10)PWR_LED
13
17
8
16
18
11)F_PANEL
12)F_AUDIO
13)CD_IN
14)SPDIF_IO
15)COMB
16)F_USB1 / F_USB2
17)IR
18)CLR_CMOS
19)BAT
2
6
5
7
4
19
11
1015
GA-8TRX330(-L) M otherboard- 18 -
1/2) ATX_12V/ATX (Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the
components on the motherboard. Before connecting the power connector, please make sure that all
components and devices are properly installed. Align the power connector with its proper location on
the mo therboard and connect tightly.
The ATX_12V power connector mainly supplies po wer to the CPU. If the ATX_12V power
connector is not connected, the system will not start.
Caution!
Please use a power supply that is able to handle the system voltage requirements. It is
recomm ended that a power supply that can withstand high power consumption be used (300W or
greater). If a power supply is used that does not provide the required power, the result can lead to an
unstable system or a system that is unable to start.
Pin No.Definition
2
4
1 0
1
2 0
11
1GND
1
2GND
3
3+12V
4+12V
Pin No.Definition
13.3V
23.3V
3GND
4VCC
5GND
6VCC
7GND
8Power Good
95V SB(stand by +5V)
10+12V
113.3V
12-12V
13GND
14PS_ON(softOn/Off)
15GND
16GND
17GND
18-5V
19VCC
20VCC
English
Hardware Installation- 19 -
English
3/4) CPU_FAN / SYS_FAN (Cooler Fan Power Connector)
The cooler fan power connector supplies a +12V power voltage via a 3-pin power connector and
possesses a foolproof connection design.
Most coolers are designed with color-coded power connector wires. A red power connector wire
indicates a positive connection and requires a +12V power voltage. The black connector wire is
the ground wire (GND).
Please remem ber to connect the power to the cooler to prevent system overheating and failure.
Caution!
Please rem ember to connect the power to the CPU fan to prevent CPU overheating and failure.
1
1
Pin No.Definition
1GND
2+12V
3Sense
CPU_FAN
SYS_FAN
5) FDD (Floppy Connector)
The FDD connector is used to connect the FDD cable while the other end of the cable connects to the
FDD drive. The types of FDD drives supported are: 360KB, 720KB, 1.2MB, 1.44MB and 2.88MB.
Please connect the red power connector wire to the pin1 position.
GA-8TRX330(-L) M otherboard- 20 -
3 4
2
3 3
1
6) IDE1/IDE2 (IDE Connector)
An IDE device connects to the computer via an IDE connector. One IDE connector can connect to one
IDE cable, and the single IDE cable can then connect to two IDE devices (hard drive or optical drive).
If you wish to connect two IDE devices, please set the jumper on one IDE device as Master and the
other as Slave (for information on settings, please refer to the instructions located on the IDE device).
3 94 0
English
2
1
7) S_ATA1/S_ATA2 (Serial ATA Connector)
Serial ATA can provide 150M B/s transfer rate. Please refer to the BIOS setting for the Serial ATA
and install the proper driver in order to work properly.
Pin No.Definition
1GND
1
7
2TXP
3TXN
4GND
5RXN
6RXP
7GND
Hardware Installation- 21 -
English
8) LED1
Do not remove mem ory modules while DIMM LED is on. It might cause short or other unexpected
damages due to the 2.5V stand by voltage. Rem ove mem ory modules only when AC Power cord is
disconnected.
+
-
9) 2X_DET
When an AGP 2X (3.3V) card is installed the 2X_DET will light up, indicating a nonsupported graphics
card is inserted. Informing users that system m ight not boot up normal ly due to AGP 2X (3.3V) is not
supported by the chipset.
GA-8TRX330(-L) M otherboard- 22 -
-
+
10) PWR_LED
PWR_LED is connect with the system power indicator to indicate whether the system is on/off. It will
blink when the system enters suspend mode.
Pin No.Definition
1
1MPD+
2MPD3MPD-
11) F_PANEL (Front Panel Jumper)
Please connect the power LED, PC peaker, reset switch and power switch etc of your chassis front
panel to the F_PANEL connector according to the pin assignment below.
Speaker Connec tor
1 9
Power Swit ch
Message LED/
Powe r/
Sleep L ED
SPEAK-
SPEAK+
PW+
MSG+
PW-
MSG-
2 0
Reset Swit ch
NC
RES+
RES-
HD -
HD+
1
2
IDE H ard Disk
English
Acti ve L ED
HD (IDE Hard Disk Active LED)Pin 1: LED anode(+)
(Blue)Pin 2: LED cathode(-)
SPEAK ( Speaker Connector)Pin 1: VCC(+)
(Amber)Pin 2- Pin 3: NC
Pin 4: Data(-)
RES (Reset Switch)Open: Normal Operation
(Green)Close: Reset Hardware System
PW (Power Switch)Open: Normal Operation
(Red)Close: Power On/Off
MSG(M essage LED/Power/Sleep LED)Pin 1: LED anode(+)
(Yellow)Pin 2: LED cathode(-)
NC( Purple)NC
Hardware Installation- 23 -
English
12) F_AUDIO (Front Audio Connector)
If you want to use Front Audio connector, you must remove 5-6, 9-10 Jumper. In order to utilize the
front audio header, your chassis must have front audio connector. Also please make sure the pin
assigment on the cable is the same as the pin assigm ent on the MB header. To find out if the chassis
you are buying support front audio connector, please contact your dealer.Please note, you can have the
alternative of using front audio connector or of using rear audio connector to play sound.
Pin No.Definition
1MIC
2GND
1 0
9
2
1
3MIC_BIAS
4POWER
5FrontAudio(R)
6RearAudio(R)
7Reserved
8No Pin
9FrontAudio (L)
10RearAudio(L)
13) CD_IN (CD IN)
Connect CD-ROM or DVD-ROM audio out to the connector.
GA-8TRX330(-L) M otherboard- 24 -
Pin No.Definition
1
1CD-L
2GND
3GND
4CD-R
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