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Changes to the specifications and features in this manual may be made by GIGABYTE without prior
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Documentation Classifications
In order to assist in the use of this product, GIGABYTE provides the following types of documentations:
For detailed product information, carefully read the User's Manual.
For instructions on how to use GIGABYTE's unique features, read or download the
information on/from the Support\Motherboard\Technology Guide page on our website.
For product-related information, check on our website at:
http://www.gigabyte.com.tw
Identifying Your Motherboard Revision
The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0"
means the revision of the motherboard is 1.0. Check your motherboard revision before updating
motherboard BIOS, drivers, or when looking for technical information.
GA-GC330UD motherboard
Motherboard driver disk
User's Manual
One IDE cable
One SATA 3Gb/s cable
I/O Shield
• The box contents above are for reference only and the actual items shall depend on product package you obtain.
The box contents are subject to change without notice.
• The motherboard image is for reference only.
Optional Items
2-port USB 2.0 bracket (Part No. 12CR1-1UB030-5*R)
2-port SATA power cable (Part No. 12CF1-2SERPW -0*R)
- 6 -
GA-GC330UD Motherboard Layout
KB_MS
COMA
VGA
R_USB
USB_LAN
AUDIO
CODEC
LPT
ATX_12V
BAT
RTL8102E
F_AUDIO
PCI
IT8718
F_USB2
CI
F_USB1
Intel® Atom
330
Intel® ICH7
TM
Intel® 945GC
SATA2_0
SATA2_1
CPU_FAN
M_BIOS
B_BIOS
GA-GC330UD
IDE
DDR2
PWR_LED
SYS_FAN
ATX
F_PANEL
- 7 -
Block Diagram
Diamondville-SC 330
D-Sub
LAN
RJ45
PCIe CLK
(100 MHz)
PCI Express Bus
RTL8102E
x1
®
Intel
TM
Atom
Processor
Interface
®
Intel
945GC
Host
CPU CLK+/-
(133 MHz)
DDR2 667
(Note)
/533 MHz
GMCH CLK
(133 MHz)
Dual BIOS
ATA-100/66/33 IDE Channel
PCI Bus
Intel
ICH7
®
2 SATA 3Gb/s
8 USB Ports
IT8718
CODEC
PCI
PCI CLK
(33 MHz)
Line-In(Rear Speaker Out)
Line-Out(Front Speaker Out)
MIC (Center/Subwoofer Speaker Out)
(Note) The DDR2 667 MHz memory will run at 533 MHz due to a CPU limitation.
- 8 -
LPT Port
COM Port
PS/2 KB/Mouse
Chapter 1Hardware Installation
1-1Installation Precautions
The motherboard contains numerous delicate electronic circuits and components which can become
damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's
manual and follow these procedures:
•Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or
warranty sticker provided by your dealer. These stickers are required for warranty validation.
•Always remove the AC power by unplugging the power cord from the power outlet before
installing or removing the motherboard or other hardware components.
•Do not disassemble the onboard CPU and its fan heatsink by yourself to avoid damage to
these components.
•When connecting hardware components to the internal connectors on the motherboard,
make sure they are connected tightly and securely.
•When handling the motherboard, avoid touching any metal leads or connectors.
•It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic
components such as a motherboard or memory. If you do not have an ESD wrist strap,
keep your hands dry and first touch a metal object to eliminate static electricity.
•Prior to installing the motherboard, please have it on top of an antistatic pad or within an
electrostatic shielding container.
•Before unplugging the power supply cable from the motherboard, make sure the power supply
has been turned off.
•Before turning on the power, make sure the power supply voltage has been set according to
the local voltage standard.
•Before using the product, please verify that all cables and power connectors of your hardware
components are connected.
•T o prevent damage to the motherboard, do not allow screws to come in contact with the
motherboard circuit or its components.
•Make sure there are no leftover screws or metal components placed on the motherboard or
within the computer casing.
•Do not place the computer system on an uneven surface
•Do not place the computer system in a high-temperature environment.
•Turning on the computer power during the installation process can lead to damage to system
components as well as physical harm to the user.
•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.
.
Hardware Installation- 9 -
1-2Product Specifications
CPU Built in with an Intel® Dual-core AtomTM processor 330 (1.6 GHz)
512K L2 cache
Front Side Bus 533 MHz FSB
Chipset North Bridge: Intel® 945GC Express Chipset
South Bridge: Intel® ICH7
Memory 1 x 1.8V DDR2 DIMM socket supporting up to 2 GB of system memory
Support for DDR2 667
(Note 2)
/533 MHz memory module
(Go to GIGABYTE's website for the latest memory support list.)
Onboard Graphics Integrated in the North Bridge
Audio Realtek ALC662 codec
High Definition Audio
2/4/5.1-channel
LAN RTL8102E chip (10/100 Mbit)
Expansion Slot 1 x PCI slot
Storage Interface South Bridge:
-1 x IDE connector supporting ATA-100/66/33 and up to 2 IDE devices
-2 x SATA 3Gb/s connectors supporting up to 2 SATA 3Gb/s devices
USB Integrated in the South Bridge
Up to 8 USB 2.0/1.1 ports (4 on the back panel, 4 via the USB brackets
connected to the internal USB headers)
Internal Connectors 1 x 20-pin ATX main power connector
1 x 4-pin ATX 12V power connector
1 x IDE connector
2 x SATA 3Gb/s connectors
1 x CPU fan header
1 x system fan header
1 x front panel header
1 x front panel audio header
2 x USB 2.0/1.1 headers
1 x chassis intrusion header
1 x power LED header
(Note 1)
GA-GC330UD Motherboard- 10 -
Back Panel 1 x PS/2 keyboard port
Connectors 1 x PS/2 mouse port
1 x parallel port
1 x serial port
1 x D-Sub port
4 x USB 2.0/1.1 ports
1 x RJ-45 port
3 x audio jacks (Line In/Line Out/Microphone)
I/O Controller iTE IT8718 chip
Hardware Monitor System voltage detection
CPU temperature detection
CPU(MCH)/System fan speed detection
CPU(MCH) fan speed control
BIOS 2 x 4 Mbit flash
Use of licensed AWARD BIOS
Support for DualBIOS
TM
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Unique Features Support for @BIOS
Support for Download Center
Support for Q-Flash
Support for EasyTune
(Note 3)
Support for Xpress Install
Support for Xpress Recovery2
Support for Virtual Dual BIOS
Bundled Software Norton Internet Security (OEM version)
Operating System Support for Microsoft® Windows® XP/Vista
Form Factor Mini-ITX Form Factor; 17.0cm x 17.0cm
(Note 1) Do not disassemble the onboard CPU/chipset and the heatsinks/fan by yourself to avoid
damage to these components.
(Note 2) The DDR2 667 MHz memory will run at 533 MHz due to a CPU limitation.
(Note 3) Available functions in EasyTune may differ by motherboard model.
Hardware Installation- 11 -
1-3Installing the Memory
Read the following guidelines before you begin to install the memory:
• Make sure that the motherboard supports the memory.
(Go to GIGABYTE's website for the latest memory support list.)
• Always turn off the computer and unplug the power cord from the power outlet before
installing the memory to prevent hardware damage.
• Memory modules have a foolproof design. A memory module can be installed in only one
direction. If you are unable to insert the memory, switch the direction.
• DDR2 DIMMs are not compatible to DDR DIMMs. Be sure to install a DDR2 DIMM on this
motherboard.
Notch
DDR2 DIMM
A DDR2 memory module has a notch, so it can only fit in one direction. Follow the steps below to
correctly install your memory module in the memory socket.
Step 1:
Note the orientation of the memory module. Spread the retaining
clips at both ends of the memory socket. Place the memory
module on the socket. As indicated in the picture on the left,
place your fingers on the top edge of the memory, push down
on the memory and insert it vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when
the memory module is securely inserted.
GA-GC330UD Motherboard- 12 -
1-4Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2
keyboard.
Parallel Port
Use the parallel port to connect devices such as a printer, scanner and etc. The parallel port is also
called a printer port.
Serial Port
Use the serial port to connect devices such as a mouse, modem or other peripherals.
D-Sub Port
The D-Sub port supports a 15-pin D-Sub connector. Connect a monitor that supports D-Sub
connection to this port.
USB Port
The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as an
USB keyboard/mouse, USB printer, USB flash drive and etc.
RJ-45 LAN Port
The Fast Ethernet LAN port provides Internet connection at up to 100 Mbps data rate. The following
describes the states of the LAN port LEDs.
Connection/
Speed LED
LAN Port
Activity LED
Connection/Speed LED:
StateDescription
Green100 Mbps data rate
Off10 Mbps data rate
Activity LED:
StateDescription
Blinking Data transmission or receiving is occurring
OffNo data transmission or receiving is occurring
• When removing the cable connected to a back panel connector, first remove the cable
from your device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side
to prevent an electrical short inside the cable connector.
Hardware Installation- 13 -
Line In Jack (Blue)
The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out Jack (Green)
The default line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can
be used to connect front speakers in a 4/5.1-channel audio configuration.
Mic In Jack (Pink)
The default Mic in jack. Microphones must be connected to this jack.
Refer to the instructions on setting up a 2/4/5.1-channel audio configuration in Chapter 5,
"Configuring 2/4/5.1-Channel Audio."
GA-GC330UD Motherboard- 14 -
1-5Internal Connectors
1)ATX
2)ATX _12V
3)CPU_FAN
4)SYS_FAN
5)IDE
6)SATA2_0/1
2
12
8
11
10
3
4
1
9
6
5 7
7)PWR_LED
8)B AT
9)F_PANEL
10)F_AUDIO
11)F_USB1/F_USB2
12)CI
Read the following guidelines before connecting external devices:
• First make sure your devices are compliant with the connectors you wish to connect.
• Before installing the devices, be sure to turn off the devices and your computer. Unplug the
power cord from the power outlet to prevent damage to the devices.
• After installing the device and before turning on the computer, make sure the device cable
has been securely attached to the connector on the motherboard.
Hardware Installation- 15 -
1/2) ATX_12V/A TX (2x2 12V Power Connector and 2x12 Main 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, first make sure the
power supply is turned off and all devices are properly installed. The power connector possesses
a foolproof design. Connect the power supply cable to the power connector in the correct orientation.
The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not
connected, the computer will not start.
ATX_12V :
1
2
ATX_12V
3
4
Pin No.Definition
1GND
2GND
3+12V
4+12V
10
1
20
11
ATX
ATX :
Pin No.Definition
13.3V
23.3V
3GND
4+5V
5GND
6+5V
7GND
8Power Good
95V SB(stand by +5V)
10+12V
The motherboard has a 3-pin CPU fan header (CPU_FAN) and a 3-pin system fan header
(SYS_FAN). Most fan headers possess a foolproof insertion design. When connecting a fan cable,
be sure to connect it in the correct orientation (the black connector wire is the ground wire). The
motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed
control design. For optimum heat dissipation, it is recommended that a system fan be installed
inside the chassis.
CPU_FAN:
1
CPU_FAN
1
SYS_FAN
Pin No.Definition
1GND
2Speed Control
3Sense
SYS_FAN:
Pin No.Definition
1GND
2+12V
3Sense
5) IDE (IDE Connector)
The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before
attaching the IDE cable, locate the foolproof groove on the connector. If you wish to connect two IDE
devices, remember to set the jumpers and the cabling according to the role of the IDE devices (for
example, master or slave). (For information about configuring master/slave settings for the IDE
devices, read the instructions from the device manufacturers.)
39
40
12
Hardware Installation- 17 -
6) SA TA2_0/1 (SATA 3Gb/s Connectors, Controlled by ICH7)
The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s
standard. Each SATA connector supports a single SATA device.
1
SATA2_1
7
1
SATA2_0
7
Pin No.Definition
1GND
2TXP
3TXN
4GND
5RXN
6RXP
7GND
Please connect the L-shaped end
of the SATA 3Gb/s cable to your
SATA hard drive.
7) PWR_LED (System Power LED Header)
This header can be used to connect a system power LED on the chassis to indicate system power
status. The LED is on when the system is operating. The LED keeps blinking when the system is
in S1 sleep state. The LED is off when the system is in S3/S4 sleep state or powered off (S5).
1
GA-GC330UD Motherboard- 18 -
Pin No.Definition
1MPD+
2MPD3MPD-
System Status LED
S0On
S1Blinking
S3/S4/S5Off
8) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time
information) in the CMOS when the computer is turned off. Replace the battery when the battery
voltage drops to a low level, or the CMOS values may not be accurate or may be lost.
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one minute.
(Or use a metal object like a screwdriver to touch the positive and
negative terminals of the battery holder, making them short for 5 seconds.)
3. Replace the battery.
4. Plug in the power cord and restart your computer.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Danger of explosion if the battery is replaced
with an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by
yourself or uncertain about the battery model.
• When installing the battery, note the orientation of the positive side (+) and the negative
side (-) of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
Hardware Installation- 19 -
9) F_P ANEL (Front Panel Header)
Connect the power switch, reset switch, and system status indicator on the chassis front panel to
this header according to the pin assignments below. Note the positive and negative pins before
connecting the cables.
910
NC
Power Switch
Message LED/
Power/
Sleep LED
PW+
MSG+
PWMSG-
• MSG (Message/Power/Sleep LED):
System Status LED
S0On
S1Blinking
S3/S4/S5Off
Connects to the power status indicator o n the chassis front panel. The
LED is on when the system is operating. The LED keeps blinking when
the system is in S1 sleep state. The LED is off when the system is in
S3/S4 sleep state or powered off (S5).
• PW (Power Switch):
Connects to the power switch on the chassis front panel. You may configure the way to turn off
your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management
Setup," for more information).
• HD (Hard Drive Activity LED)
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard
drive is reading or writing data.
• RES (Reset Switch):
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the
computer if the computer freezes and fails to perform a normal restart.
• NC:
No connection
RES+
HD-
Reset Switch
Hard Drive
Activity LED
RESHD+
12
The front panel design may differ by chassis. A front panel module mainly consists of
power switch, reset switch, power LED, hard drive activity LED, and etc. When connecting
your chassis front panel module to this header, make sure the wire assignments and the pin
assignments are matched correctly.
GA-GC330UD Motherboard- 20 -
10) F_AUDIO (Front Panel Audio Header)
The front panel audio header supports Intel High Definition audio (HD) and AC'97 audio. You may
connect your chassis front panel audio module to this header. Make sure the wire assignments of
the module connector match the pin assignments of the motherboard header. Incorrect connection
between the module connector and the motherboard header will make the device unable to work
or even damage it.
• The front panel audio header supports HD audio by default. If your chassis provides an
AC'97 front panel audio module, refer to the instructions on how to activate AC'97 functioninality
via the audio software in Chapter 5, "Configuring 2/4/5.1-Channel Audio."
• Audio signals will be present on both of the front and back panel audio connections
simultaneously. If you want to mute the back panel audio (only supported when using an HD
front panel audio module), refer to Chapter 5, "Configuring 2/4/5.1-Channel Audio."
• Some chassis provide a front panel audio module that has separated connectors on each
wire instead of a single plug. For information about connecting the front panel audio
module that has different wire assignments, please contact the chassis manufacturer.
For AC'97 Front Panel Audio:
Pin No.Definition
1MIC
2GND
3MIC Power
4NC
5Line Out (R)
6NC
7NC
8No Pin
9Line Out (L)
10N C
Hardware Installation- 21 -
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