Gigabyte GA-8STXC User Manual
GA-8STXC
P4 Titan-DDR Motherboard
USER’S MANUAL
Pentium® 4 Processor Motherboard
Rev. 1001
12ME-8STXC-1001
WARNING!
Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. To
protect them against damage from static electricity, you should follow some precautions whenever you
work on your computer.
1. Unplug your computer when working on the inside.
2. Use a grounded wrist strap before handling computer components. If you do not have one,
touch both of your hands to a safely grounded object or to a metal object, such as the power
supply case.
3. Hold components by the edges and try not touch the IC chips, leads or connectors, or other
components.
4. Place components on a grounded antistatic pad or on the bag that came with the components
whenever the components are separated from the system.
5. Ensure that the ATX power supply is switched off before you plug in or remove the ATX power
connector on the motherboard.
Installing the motherboard to the chassis…
If the motherboard has mounting holes, but they don’t line up with the holes on the base and there
are no slots to attach the spacers, do not become alarmed you can still attach the spacers to the
mounting holes. Just cut the bottom portion of the spacers (the spacer may be a little hard to cut off, so
be careful of your hands). In this way you can still attach the motherboard to the base without worrying
about short circuits. Sometimes you may need to use the plastic springs to isolate the screw from the
motherboard PCB surface, because the circuit wire may be near by the hole. Be careful, don’t let the
screw contact any printed circuit write or parts on the PCB that are near the fixing hole, otherwise it
may damage the board or cause board malfunctioning.
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- 2 - WARNING!
Chapter 1 Introduction
Features Summary
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Form Factor y 30.6cm x 24.4cm ATX size form factor, 4 layers PCB
CPU y Socket 478 for Intel
Chipset y SiS 645DX Host/Memory controller
Memory y 3 184-pin DDR DIMM sockets
I/O Control y IT8705
Slots y 1 CNR (Communication and Networking Riser) Slot
On-Board IDE y 2 IDE bus master (Dual UDMA33/ATA66/ATA100/ATA133) IDE
On-Board Peripherals y 1 Floppy port supports 2 FDD with 360K, 720K, 1.2M, 1.44M
®
Micro FC-PGA2 Pentium® 4 processor
®
y Support Intel
y Intel Pentium
y 2nd cache depends on CPU
y SiS 962L MuTIOL Media I/O
y Supports DDR333/DDR266/DDR200 DIMM
y Supports Up to 2 un-buffer double-sided DIMM DDR333 or up to
3 un-buffer Double-sided DIMM DDR266/200
y Supports up to 3GB DRAM (Max)(DDR266/200)
y Supports only 2.5V DDR DIMM
y Supports 64bit ECC type DRAM integrity mode
y 1 Universal AGP slot (1X/2X/4X) device support
y 5 PCI slot supports 33MHz & PCI 2.2 compliant
ports for up to 4 ATAPI devices
y Supports PIO mode 3,4 (UDMA 33/ATA66/ATA100/ATA133) IDE
& ATAPICD-ROM
and 2.88M bytes
y 1 Parallel port supports Normal/EPP/ECP mode
y 2 Serial ports (COMA & COMB)
y 6 x USB 2.0/1.1 (2 x Rear,4 x Front by cable)
y 1 IrDA connector for IR
y 1 Front Audio connector
Pentium ® 4 (Northwood, 0.13 m) processor
®
4 400/533MHz FSB
to be continued......
- 3 -GA-8STXC Motherboard
Hardware Monitor y CPU/System/Power Fan Revolution detect
y CPU Temperature Detect
y System Voltage Detect
On-Board Sound y Realtek ALC650 CODEC
y Line Out / 2 front speaker
y Line In / 2 rear speaker (by s/w switch)
y Mic In / center & woofer (by s/w switch)
y SPDIF out
y Line In / Line Out / Mic In / CD In / Game Port
On-Board LAN y Built in RTL8100BL Chipset
PS/2 Connector y PS/2 Keyboard interface and PS/2 Mouse interface
BIOS y Licensed AWARD BIOS, 2M bit Flash ROM
y Supports Q-Flash
Additional Features y PS/2 Keyboard power on by password
y PS/2 Mouse power on
y STR (Suspend-To-RAM)
y Wake on LAN (WOL)
y Wake on Ring (WOR)
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Please set the CPU host frequency in accordance with your processor’s specifications.
We don’t recommend you to set the system bus frequency over the CPU’s specification
because these specific bus frequencies are not the standard specifications for CPU, chipset
and most of the peripherals. Whether your system can run under these specific bus frequen-
cies properly will depend on your hardware configurations, including CPU, Chipsets,
SDRAM, Cards…etc.
- 4 -
Introduction
GA-8STXC Motherboard Layout
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KB_MS
CPU_FAN
USB
LAN
ATX POWER
COMA
ATX_12V
LPT
COMB
SOCKET 478
DIMM_LED
FDD
83518
IDE2
IDE1
LINE_OUT
LINE_IN
MIC_IN
AC97
RTL8100BL
IT8705
Main BIOS
GA-8STXC
DDR1
DDR2
DDR3
F_USB2 F_USB1
CI
CLR_CMOS
BAT
BUZZER
SiS 962L
F_PANEL
S_IRQ
SYS_FAN
F_AUDIO_I
GAME
CD_IN
PWR_FAN
SPDIF
SUR_CEN
CNR
NB_FAN
SiS 645DX
AGP
PC1
PC2
PC3
PC4
PC5
I R WO R WO L
- 5 -GA-8STXC Motherboard
Chapter 2 Hardware Installation Process
To set up your computer, you must complete the following steps:
Step 1- Install the Central Processing Unit (CPU)
Step 2- Install memory modules
Step 3- Install expansion cards
Step 4- Connect ribbon cables, cabinet wires and power supply
Step 5- Setup BIOS software
Step 6- Install supporting software tools
Step 1
Step 4
Step 4
Step 2
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Step 4
Step 3
- 6 - Hardware Installation Process
Step 1: Install the Central Processing Unit (CPU)
Step1-1 : CPU Installation
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Pin1 indicator
CPU Top View CPU Bottom View
Socket Actuation Lever
1. Pull up the CPU socket lever and
up to 90-degree angle.
3. Press down the CPU socket lever
and finish CPU installation.
Please make sure the CPU type is supported by the motherboard.
If you do not match the CPU socket Pin 1 and CPU cut edge well, it will cause
improper installation. Please change the insert orientation.
Pin1 indicator
Pin1 indicator
2. 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.
- 7 -GA-8STXC Motherboard
Step1-2 : CPU Heat Sink Installation
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1. Hook one end of the cooler bracket
to the CPU socket first.
Please use Intel approved cooling fan.
We recommend you to apply the thermal tape to provide better heat
2. Hook the other end of the cooler
bracket to the CPU socket.
conduction between your CPU and heatsink.
(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 thermal paste, or remove the cooling
fan with extreme caution.)
Make sure the CPU fan power cable is plugged in to the CPU fan connector,
this completes the installation.
Please refer to CPU heat sink user’s manual for more detail installation
procedure.
- 8 - Hardware Installation Process
Step 2: Install memory modules
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detects memory type and size. To install the memory module, just push it vertically into the DIMM
socket. The DIMM module can only fit in one direction due to the notch. Memory size can vary
between sockets.
Support Unbuffered DDR DIMM Sizes type:
64 Mbit (2Mx8x4 banks) 64 Mbit (1Mx16x4 banks) 128 Mbit(4Mx8x4 banks)
128 Mbit(2Mx16x4 banks) 256 Mbit(8Mx8x4 banks) 256 Mbit(4Mx16x4 banks)
512 Mbit(16Mx8x4 banks) 512 Mbit(8Mx16x4 banks)
Install memory in any combination table:
DDR1 (Bank 0&1) DDR2 (Bank 2&3) DDR3 (Bank 4&5)
S S none none
DS none none
S S S S none
DS S S none
DS DS none
SS SS SS
DS SS SS
DS DS SS
DS DS DS
The motherboard has 3 dual inline memory module (DIMM) sockets. The BIOS will automatically
SS: Single Side, DS: Double Side
Note:
1. GA-8STXC can only support 4 banks of DDR333.
2. If you mix DDR266 and DDR333 then all modules will run as DDR266.
- 9 -GA-8STXC Motherboard
DDR
1. The DIMM socket has a notch, so the DIMM memory
module can only fit in one direction.
2. Insert the DIMM memory module vertically into the
DIMM socket. Then push it down.
3. Close the plastic clip at both edges of the DIMM
sockets to lock the DIMM module.
Reverse the installation steps when you wish to
remove the DIMM module.
When STR/DIMM LED is ON, do not install/remove DIMM from socket.
Please note that the DIMM module can only fit in one direction due to the one
notches. Wrong orientation will cause improper installation. Please change
the insert orientation.
DDR Introduction
Established on the existing SDRAM industry infrastructure, DDR (Double Data Rate) memory is
a high performance and cost-effective solution that allows easy adoption for memory vendors, OEMs
and system integrators.
DDR memory is a sensible evolutionary solution for the PC industry that builds on the existing
SDRAM infrastructure, yet makes awesome advances in solving the system performance bottleneck
by doubling the memory bandwidth. DDR SDRAM will offer a superior solution and migration path from
existing SDRAM designs due to its availability, pricing and overall market support. PC2100 DDR
memory (DDR266) doubles the data rate through reading and writing at both the rising and falling edge
of the clock, achieving data bandwidth 2X greater than PC133 when running with the same DRAM
clock frequency. With peak bandwidth of 2.1GB per second, DDR memory enables system OEMs to
build high performance and low latency DRAM subsystems that are suitable for servers, workstations,
high-end PC's and value desktop SMA systems. With a core voltage of only 2.5 Volts compared to
conventional SDRAM's 3.3 volts, DDR memory is a compelling solution for small form factor desktops
and notebook applications.
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- 10 - Hardware Installation Process
Step 3: Install expansion cards
1. Read the related expansion card’s instruction document before install the expansion card into the
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2. Remove 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 indeed 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.
Issues To Beware Of When Installing CNR
Please use standard CNR card like the one in order to avoid mechanical problem.
computer.
AGP Card
Please carefully pull out the small
white-drawable bar at the end of the
AGP slot when you try to install /
uninstall the AGP card. Please align
the AGP card to the onboard AGP
slot and press firmly down on the
slot. Make sure your AGP card is
locked by the small white-drawable
bar.
Standard CNR Card
- 11 -GA-8STXC Motherboard
Step 4: Connect ribbon cables, cabinet wires and power
supply
Step4-1 : I/O Back Panel Introduction
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Y
X
XX
X PS/2 Keyboard and PS/2 Mouse Connector
XX
PS/2 Mouse Connector
(6 pin Female)
PS/2 Keyboard Connector
(6 pin Female)
Z
This connector supports standard PS/2 keyboard
and PS/2 mouse.
Y USB / LAN Connector
Before you connect your device(s) into USB
connector(s), please make sure your device(s)
LAN Connector
USB 0
USB 1
such as USB keyboard,mouse, scanner, zip,
speaker...etc. Have a standard USB
interface.Also make sure your OS (Win 95 with
USB supplement, Win98, Windows 2000,
Windows ME, Win NT with SP 6) supports USB
controller. If your OS does not support USB
controller, please contact OS vendor for
possible patch or driver upgrade. For more infor-
mation please contact your OS or device(s)
vendors.
[
\
- 12 - Hardware Installation Process
Z Parallel Port and Serial Ports (COMA / COMB)
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[ Game / MIDI Ports
\ Audio Connectors
Parallel Port
(25 pin Female)
COMA COMB
Serial Port (9 pin Male)
Joystick / MIDI (15 pin Female)
This connector supports 2 standard COM ports
and 1 Parallel port. Device like printer can be
connected to Parallel port; mouse and modem
etc. can be connected to Serial ports.
This connector supports joystick, MIDI keyboard
and other relate audio devices.
Line Out
After install onboard audio driver, you may con-
nect speaker to Line Out jack, microphone to
MIC In jack. Device like CD-ROM, walkman
etc. can be connected to Line-In jack.
MIC In
Line In
- 13 -GA-8STXC Motherboard
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