Easy Installation Guide
K7S741MG/K7S741GXMG Layout
CD_IN Connector
Front Audio Connector
PCI Expansion Slots
USB2.0 Connector
SiS 963L Chipset
Clear CMOS Jumper
Front Panel
Connector
Connector
SPEAKER
Connector
AT A 66/100/133
IDE Connectors
S/PDIF_OUT Connector
(optional)
ATX Power Connector
8X / 4X AGP Slot
462-pin CPU Socket
SiS 741/741GX Chipset
CPU FAN Connector
184-pin DIMM Slots
IR Connector (optional)
BIOS-Protection Jumper
(optional)
FDD ConnectorSYS FAN
Remark:
The above motherboard layout is provided for reference only;
please refer to the physical motherboard.
P/N: 91-185-U41-M0-0E
1
K7S741MG/K7S741GXMG Rear Panel
Parallel Port
4
(Printer Port)
PS/2 Mouse
1
Connector
7
LAN Connector
Line-in jack
Line-out jack
8
PS/2 Keyboard
2
Connector
1
PS/2 Mouse Connector
Serial Port
3
(COM1)
5
VGA Connector
USB 2.0 Port x4
6
Microphone
jack
This green 6-pin connector is for a PS/2 mouse.
2
PS/2 Keyboard Connector
This purple 6-pin connector is for a PS/2 keyboard.
3
Serial Port (COM1)
This 9-pin COM1 port is for pointing devices or other serial devices.
4
Parallel Port (Printer Port)
This 25-pin port connects a parallel printer, a scanner, or other devices.
5
VGA Connector
The VGA connector is for output to a VGA-compatible device.
6
USB 2.0 Ports
These four Universal Serial Bus (USB) ports are available for connecting USB 2.0
devices.
7
LAN Connector
This port allows connection to a Local Area Network (LAN) through a network hub.
8
Line-in jack, Line-out jack, Microphone jack
Use the three audio ports to connect audio devices. The Line-in jack is for a tape
player or other audio sources. The Line-out jack is for a headphone or a speaker.
The Microphone jack is for a microphone. In 6-Channel mode, the function of the
three jacks becomes Rear Speaker Out, Front Speaker Out and Center/Subwoofer
Speaker respectively.
2
Accessory Checklist
K7S741MG/K7S741GXMG Motherboard (x1)
WinFast Utility CD (x1)
Easy Installation Guide (x1)
IDE Ribbon Cable (x1)
FDD Ribbon Cable (x1)
I/O Shield (x1)
1. Support CPU & Memory
CPU:
K7S741MG:
Supports AMD K7 Duron, Athlon, Athlon XP
Supports 266/333/400 MHz FSB
K7S741GXMG:
Supports AMD K7 Duron, Athlon, Athlon XP
Supports 266/333 MHz FSB
Memory:
K7S741MG:
Supports PC3200/PC2700/PC2100
Supports 64/128/256/512 Mb technology up to 2 GB
K7S741GXMG:
Supports PC2700/PC2100
Supports 64/128/256/512 Mb technology up to 2 GB
3
2. Clear CMOS Jumper: CLS_CMOS
You can clear CMOS to restore default system setting. To clear the CMOS, follow
the procedures described below.
1. Turn off the AC power supply and connect pin 1 and 2 together using the jumper
cap .
2. Return the jumper setting to normal (pin2 and 3 together with the jumper cap).
3. Turn the AC power supply back on.
Clear CMOS
1
Normal (Default)
1
CLS_CMOS
3. BIOS-Protection Jumper (optional): FWH_EN
If the jumper FWH_EN set as “Disable” (pin2 & pin3), the system BIOS is protected
from being attacked by a serious virus, such as the CIH virus. You will be unable to
flash the BIOS to the motherboard when the system BIOS is protected.
1
1
Flash write
Disable
Flash Write
Enable
(Default)
FWH_EN
4
4. Front Panel Connector: FP1
Attach the power LED, IDE LED, reset switch and power switch connectors to the
corresponding pins.
HDLED
RESET
NC
1 +
-
FP1
+
PLED
PSWITCH
5. CPU F AN & FAN1
Plug the CPU cooling fan cable into the 3-pin CPU FAN power supply on the mainboard.
Connect the case cooling fan connector to FAN1.
1
SENSE +12V GND
FAN1
SENSE
+12V
GND
1
CPU_FAN
5
6. IrDA Header (optional): IR
The connector supports wireless transmitting and receiving device. Before using
this function, configure the settings of IR Mode from the “Integrated Peripherals”
section of the CMOS Setup.
+5V
Empty
IRRX
GND
IRTX
1
IR
7. USB Header: F_USB1
The USB header is available for additional USB port if the USB ports on the rear
panel are inadequate. Compared to traditional USB 1.1 with the speed of 12Mbps,
USB 2.0 has a fancy speed up to 480Mbps, which allows faster Internet connection,
interactive gaming, and simutaneous running of high-speed peripherals.
1 2
VCC
D0-
D0+
GND
Empty
9
VCC
D1D1+
GND
NC
10
F_USB1
6
8. CD_IN Connector: CD_IN
CD_IN is Sony standard CD audio connector, it can be connected to a CD-ROM
drive through a CD audio cable.
CD_L
GND
CD_R
1
CD_IN
9. Front Audio Connector: F_AUDIO
The audio interface provides two kinds of audio output choices: the Front Audio,
the Rear Audio. Their priority is sequenced from high to low (Front Audio to Rear
Audio). If headphones are plugged into the front panel of the chassis (using the
Front Audio), then the Line-out (Rear Audio) on the rear panel will not work. If you
do not want to use the Front Audio, pin 5 and 6, pin 9 and 10 must be SHOR T, and
then the signal will be sent to the rear audio port.
12
MIC_IN MIC_GND
MIC_PWR
AUD_OUT_R AUD_RET_R
NC
AUD_OUT_L AUD_RET_L
910
F_ AUDIO
+5VA
Empty
7
10. Speaker Connector: SPEAKER
The speaker connector is used to connect speaker of the chassis.
SPK
Empty
NC SPKJ
1
SPEAKER
11. S/PDIF_Out Connector (optional): SPDIF_OUT
The S/PDIF out connector is capable of providing digital audio to external speakers or compressed AC3 data to an external Dolby digital decoder.
1
SPDIF_OUT
VCC3
Empty
SPDIF_OUT
GND
8
12. 5.1 Channel Audio Effects
The motherboard is equipped with the Realtek ALC655 chip, which provides support for 6-channel audio output, including 2 front, 2 rear, 1 center and 1 subwoofer
channel. ALC655 allows the board to attach 4 or 6 speakers for a better surround
sound effect. To apply this function, you have to install the audio driver in utility CD
as well as an audio application supporting 5.1 Channel. Picture bellow represents the standard location of all speakers in 5.1 Channel sound track.
Blue
Green
Center
Red
Front
Left
Rear Left
Front
Right
Rear Right
Subwoofer
13. Power on and Load Optimized Defaults
After you finish the setting of jumpers and connect correct cables, power on the
system and press <Del> during POST (Power On Self Test) to enter the BIOS Setup
Utility. Choose “Load Optimized Defaults” for recommended optimal performance.
Please make sure your system components are good enough for optimized defaults.
Select this option
and press <Enter>.
9
14. WinFast Utility CD
This motherboard comes with one Utility CD. To begin using the CD, simply insert
the CD disc into the CD-ROM drive. The CD will automatically bring up the main
menu screen. Click “Install Driver”, then click the relevant button to install IDE
Driver, AGP Driver, VGA Driver, DirectX 9.0b, USB2.0 Driver, Audio Driver and LAN
Driver from this CD.
Follow the screen order to
install the motherboard
drivers.
10
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