M The author assumes no responsibility for any errors
or omissions that may appear in this document nor
does the author make a commitment to up
date the information contained herein.
M Third-party brands and names are the property of
their respective owners.
M Please do not remove any labels on motherboard, this
may void the warranty of this motherboard.
M Due to rapid change in technology, some of the
specifications might be out of date before publication
of this booklet.
Ausschlager Weg 41, 1F, 20537 Hamburg, Germany
( description of the apparatus, system, installation to whic h it refers)
(reference to the specification under which conformity is declared)
in accordance with 89/336 EEC-EMC Directive
o EN 55011Limits a nd methods of measurement
o EN 55013
o EN 55014Limits a nd methods of measurement
o EN 55015Limits a nd methods of measurement
o EN 55020
T EN 55022Limits a nd methods of measurement
o DIN VDE 0855
o part 10
o part 12
T CE marking
o EN 60065
o EN 60335
of radio d isturbance characteristics of
industrial,scientific and medical (ISM
high frequency equipment
Limits a nd methods of measurement
of radio d isturbance characteristics of
broadcast receive rs and associated
equipment
of radio d isturbance characteristics of
household electrical appliances,
portable tools and similar electrical
appa ratus
of radio d isturbance characteristics of
fluorescent lamp s and luminaries
Immuni ty from radio interference of
broadcast receive rs and associated
equipment
of radio d isturbance characteristics of
information tech nology equipment
Cabled distribution systems; Equipment
for re ceiving and/or distribution from
sound and television signals
The manufacturer also declares the conformity of above mentioned product
with the a ctual required safety standards in accordance with LVD 73/23 EEC
Safety requirements for mains o perated
electronic and rel ated apparatus for
household and similar general use
Safety of house hold and similar
electrical appliances
(S ta mp )
Declaration of Conformity
We, Manufacturer/Importer
(full address)
G.B.T. Technology Träding GMbH
declar e that the product
Mother Board
GA-8 STML
is in conformity with
o EN 61000-3-2*
T EN 60555-2
o EN 61000-3-3*Disturban ces in supply systems cause
T EN 60555-3
T EN 50081-1Generic emission standard Part 1:
T EN 50082-1
o EN 55081-2
o EN 55082-2
o ENV 55104
o EN50091-2
(EC co nformity marking)
o EN 60950
o EN 50091-1
Manufacturer/Impor ter
Date : May. 24, 2002
Disturban ces in supply systems cause
by household appliances and similar
electrical equipment “Ha rmonics”
by household appliances and similar
electri cal equipment “Voltage fluctuations”
Residual commercial and light industry
Generic immunity standard Part 1:
Residual commercial and light industry
Generic emission standard Part 2:
Industrial environment
Generic emission standard Part 2:
Industrial environment
lmmunity requirements for household
appliances tools an d similar apparatus
EMC requirements for uninterruptible
power systems (UPS)
Signa ture:
Na me:
Timmy Huang
Timmy Huang
DECLARATION OF CONFORMITY
Pe r FCC Part 2 Section 2.1077(a)
Re sponsible Party Name:
Ad dress:
Phone/Fax No:
hereby declares that the product
Pr oduct Name:
M odel Number :
Conform s to the follo wing specifications:
FCC Part 15, Sub part B, Section 15.107(a) and Section 15.109
(a),Class B Digital Device
Supplementary Information:
This device complies with part 15 of the FCC Rules. Operation is
subject to the follo wing two conditions: (1) This device may not
cause harmful and (2) this device must accept any inference received,
including that may cause undesired operation.
Representative Person’s Name:
Signature:
G .B.T. INC. (U.S.A.)
17358 Railroad Street
City of Industry, CA 91 748
(818) 854-9338/ (818) 854-9339
þ IDE cable x 1/ Floppy cable x 1
þ CD for motherboard driver & utility (TUCD)
þ GA-8STML user’s manual
þ I/O Shield
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.
W ARNING!
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.
- 4 -GA-8STML Motherboard
Chapter 1 Introduction
Features Summary
Form Factor— 21.0cm x 24.3cm Micro ATX size form factor, 4 layers PCB.
CPU— Socket 478 for Intel® Micro FC-PGA2 Pentium® 4 processor
— Support Intel ® Pentium ® 4 (Northwood, 0.13 m) processor
— Intel Pentium®4 533/400MHz FSB
— 2nd cache depends on CPU
Chipset— SiS 645DX Host/Memory controller
— SiS 961B MuTIOL Media I/O
Memory— 2 184-pin DDR DIMM sockets
— Supports DDR333/266/200 SDRAM
— Supports up to 2 un-buffer Double-sided DIMM DDR333/266/200
— Supports up to 2GB DDR DRAM (Max)
— Supports only 2.5V DDR DIMM
— Supports 64bit DRAM integrity mode
On-Board IDE— 2 IDE bus master (UDMA33/ATA66/ATA100/ATA133) IDE ports
for up to 4 ATAPI devices
— Supports PIO mode3,4 (UDMA 33/ATA66/ATA100/ATA133) IDE
& ATAPI CD-ROM
On-Board Peripherals— 1 Floppy port supports 2 FDD with 360K, 720K,1.2M, 1.44M
and 2.88M bytes.
— 1 Parallel port supports Normal/EPP/ECP mode
— 2 Serial port (COMA,COMB)
— 6 USB ports (Rear USB x 2, 4 by optional cable)
— 1 Front Audio Connector
— 1 IrDA connector for IR
Hardware Monitor— CPU/System Fan Revolution detect
— CPU/System Fan Control
— CPU Overheat Warning
— System Voltage Detect
English
- 5 -
to be continued......
Introduction
On-Board Sound— Sigmatel 9721 CODEC
On-Board LAN— Builit in RTL8100BL Chipset
English
PS/2 Connector— PS/2 Keyboard interface and PS/2 Mouse interace
BIOS— Licensed Award BIOS, 2M bit Flash ROM
Additional Features— PS/2 Keyboard power on by password
— Line In/Line Out/Mic In/CD In/ AUX_IN/Game Port
— 1 RJ45 port
— Support Q-Flash
— PS/2 Mouse power on
— STR(Suspend-To-RAM)
— AC Recovery
— USB KB/Mouse wake up from S3
— Supports EasyTune4
— Supports @BIOS
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 frequencies properly will depend on your hardware configurations, including CPU,
Chipsets,SDRAM,Cards… .etc.
- 6 -GA-8STML Motherboard
GA-8STML Motherboard Layout
English
KB_MS
COMA
LINE_OUTMIC_IN
AC97
USB/
COMB
LINE_IN
BIOS
LAN
LPTGAME
F_AUDIO
W83697HF
ATX_12V
AUX_IN
CD_IN
RTL8100BL
B IOW_WP
SOCKET478
SiS 645DX
GA-8STML
PCI1
PCI2
BATTERY
PCI3
F_USB2
AGP
F_USB1
CPU_FAN
DDR2
CLR_CMOS
PWR_LED
Buzzer
DDR1
SiS 961B
DIMM_LED
CI
IR
F_P ANEL
IDE2
FDD
ATX
IDE1
SYS _FAN
- 7 -
Introduction
Chapter 2 Hardware Installation Process
To set up your computer, you must complete the following steps:
English
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 4
Step3
Step4
Step1
Step 2
Step 4
- 8 -GA-8STML Motherboard
Step 1: Install the Central Processing Unit (CPU)
Step1-1 : CPU Installation
English
Pin1 indicator
CPU Top ViewCPU 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.
M Please make sure the CPU type is supported by the motherboard.
M 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.
- 9 -Hardw are Installation Process
Step1-2 : CPU Heat Sink Installation
English
1. Hook one end of the cooler
bracket to the CPU socket first.
M Please use Intel approved cooling fan.
M We recommend you to apply the thermal tape to provide better heat
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 pr ocessor. To avoid this from happening, we suggest you to
either use thermal tape instead of therm al paste, or remove the cooling fan with
extreme caution.)
M Make sure the CPU fan power cable is plugged in to the CPU fan connector,
this completes the installation.
M Please refer to CPU heat sink user’s manual for more detail installation
procedure.
2. Hook the other end of the
cooler bracket to the CPU
socket.
- 10 -GA-8STML Motherboard
Step 2: Install memory modules
The motherboard has 2 dual inline memory module (DIMM) sockets . The BIOS will automatically
detects memor y type and size. To install the memory module, just push it vertically into the DIMM Slot.
The DIMM module can only fit in one direction due to the notch. Memory size can vary between sockets.
Total Memory Sizes With Unbuffered DDR DIMM
Dev ices used on DIMM1 DIMM x 64 / x 722 DIMMs x 64 / x 72
1. The DIMM slot has a notch, so the
DIMMmemory module can only fit in one direction.
2. Insert the DIMM memory module verticallyinto the
DIMM slot. Then push it down.
3. Close the plastic clip at both edges of theDIMM slots
to lock the DIMM module.
Reverse the installation steps when you wish to
remove the DIMM module.
M 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.
- 11 -Hardw are Installation Process
DDR Introduction
high performance and cost-effective solution that allows easy adoption for memory vendors, OEMs and
system integrators.
English
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 av ailability, 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, highend PC's and v alue 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.
Step 3: Install expansion cards
1. Read the related expansion card’s instruction document before install the expansion card into
2. Remove your computer’s chassis cover, necessary 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.
Established on the existing SDRAM industry infrastructure, DDR (Double Data Rate) memory is a
DDR memory is a sensible evolutionary solution for the PC industry that builds on the existing
the computer.
AGP Card
Please carefully pull out the small whitedrawable 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.
- 12 -GA-8STML Motherboard
Step 4: Connect ribbon cables, cabinet wires, and power
supply
Step4-1:I/O Back Panel Introduction
English
vw
u
u PS/2 Keyboard and PS/2 Mouse Connector
PS/2 Mouse Connector
(6 pin Female)
PS/2 Keyboard Connector
(6 pin Female)
v USB & LAN Connector
LAN
USB 0
USB 1
ØThis connector supports standard PS/2 keyboard
and PS/2 mouse.
ØBefore you connect your device(s) into USB
connector(s), please make sure your device(s)
such as USB keyboard,mouse, scanner, zip,
spea ker..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 information please contact your OS or
device(s) vendors.
x
y
- 13 -Hardw are Installation Process
w Parallel Port , Serial Port (LPT/COM A/COM B)
English
Parallel Port
(25 pin Female)
ØThis connector supports 2 standard COM port
,1 Parallel port . Device like printer can be
connected to Parallel port ; mouse and modem etc
can be connected to Serial ports.
COMA
Serial Port
(9 pin Male)
x Game /MIDI Ports
Joystick/ MIDI (15 pin Female)
y Audio Connectors
Line Out
MIC In
Line In
COMB
Serial Port
(9 pin Male)
ØThis connector supports joystick, MIDI keyboard
and other relate audio devices.
Ø After install onboard audio driver, you may
connect speaker to Line Out jack, micro phone to
MIC In jack. Device like CD-ROM , walkman etc
can be connected to Line-In jack.
- 14 -GA-8STML Motherboard
Step 4-2 : Connectors Introduction
English
Q
P
O
N
A) ATX_12V
B) CPU_FAN
C) ATX
D) FLOPPY
E) IDE1/IDE2
F) CI
G) SYS_FAN
H) IR
I) F_PANEL
If this " ATX+ 12V connector" is not connected,
system cannot boot.
B) CPU_FAN (CPU FAN Connector)
Sense
GND
+12V/Control
1
Ø Please note, a proper installation of the CPU
cooler is essential to prevent the CPU from
running under abnormal condition or damaged
by overheating.The CPU fan connector
supports Max. current up to 600 mA.
C ) ATX (ATX Power)ØAC power cord should only be connected to
your power supply unit after ATX power cable
and other related devices are firmly
3.3V
-12V
PS-ON(Soft On/Off)
GND
GND
GND
GND
-5V
VCC
VCC
1
3.3V
3.3V
GND
VCC
GND
VCC
GND
Power Good
5V SB (Stand by +5V)
20
+12V
connected to the mainboard.
D) FDD (Floppy Connector)
1
- 16 -GA-8STML Motherboard
E) IDE1/ IDE2 (IDE1/IDE2 Connector)
Ø Important Notice:
Please connect first harddisk to IDE1
and connect CDROM to IDE2.
English
1
IDE2
1
IDE1
F) CI (CASE OPEN)
GND
1
Signal
G) SYS_FAN (System FAN Connector)
Sense
1
+12V/Control
GND
Ø This 2 pin connector allows your system to
enable or disable the system alarm if the
system case begin remove.
- 17 -Hardw are Installation Process
H)IR
English
J) PWR_LED
Ø Be careful with the polarity of the IR
connector while you connect the IR. Please
contact your nearest dealer for optional IR
device.
VCC(+5V)
IR Data Input
GND
IR Data Output
1
1
MPD-
MPD-
MPD+
K) CLR_CMOS (Clear CMOS)
2-3 close: Normal
1
1-2 close: Clear CMOS
1
ØYou may clear the CMOS data to its default
values by this jumper.
Default doesn’t include the “Shunter” to prevent
from improper use this jumper . To clear CMOS,
temporarily short 1-2 pin.
- 18 -GA-8STML Motherboard
L) F_USB1/F_USB2 (Front USB Connector)
Ø Be careful with the polarity of the front
USB Dy+
USB Over
GND
GND
USB Dx+
Current
1
Power
USB Dy-
Power
USB Dx-
English
panel USB connector. Check the pin
assignment while you connect the front
panel USB cable. Please contact your
nearest dealer for optional front panel
USB 2.0 cable.
M) BIOS_WP (BIOS Write Protection)
2-3 close: Normal
1
1-2 close: Write Protection
1
N) BATTERY
+
Ø Please note, To flash/upgrade BIOS on this MB
BIOS_WP must be set to 2-3 close. We
recommend BIOS_WP to be set to "1-2 close",
whenever user does not need to flash/upgrade
the BIOS.
CAUTION
v Danger of explosion if battery is incorrectly
replaced.
v Replace only with the same or equivalent
type recommended by the manufacturer.
v Dispose of used batteries according to the
manufacturer’s instructions.
- 19 -Hardw are Installation Process
O) AUX_IN ( AUX In Connector)
English
P) CD_IN (CD Audio Line In)
AUX-R
GND
1
1
AUX-L
CD-R
GND
CD-L
Q)F_AUDIO (F_AUDIO Connector)
1
MIC
Front Audio (R)
Front Audio (L)
REF
Reserved
GND
POWER
Rear Audio (R)
Rear Audio (L)
Ø 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 su re the pin assigment on the cable
is the same as the pin assigment on the MB
header . To find out if the chassis you are buying
support front audio connector, please contact
your dealer.
- 20 -GA-8STML Motherboard
I) F_PANEL (2x10 pins connector)
English
MPD+
1
220
119
1
HD+
GN (Green Switch)Open: Normal Operation
GD (Green LED)Pin 1: LED anode(+)
HD (IDE Hard Disk Active LED) Pin 1: LED anode(+)
SPK (Speaker Connector)Pin 1: VCC(+)
RE (Reset Switch)Open: Normal Operation
PW (Soft Power Connector)Open: Normal Operation
MPD(Message LED/Power/Pin 1: LED anode(+)
Sleep LED)Pin 2: LED cathode(-)
NCNC
PW-
PW+
MPD-
1
1
HD-
RST-
RST+
Close: Entering Green Mode
Pin 2: LED cathode(-)
Pin 2: LED cathode(-)
Pin 2- Pin 3: NC
Pin 4: Data(-)
Close: Reset Hardware System
Close: Power On/Off
NC
SPK+
1
1
GD+
GD-
1
GN+
SPK-
GN-
Ø Please connect the power LED, PC speaker, reset switch and power switch etc of your chassis
front panel to the F_PANEL connector according to the pin assignment above.
- 21 -Hardw are Installation Process
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