DFI Blood-Iron G41-T33 User manual

935-BG4101-000G
10800926E
System Board
User’s Manual

Copyright
This publication contains information that is protected by copyright. No part of it
may be reproduced in any form or by any means or used to make any transfor-
mation/adaptation without the prior written permission from the copyright hold-
ers.
This publication is provided for informational purposes only. The manufacturer
makes no representations or warranties with respect to the contents or use
of this manual and specifically disclaims any express or implied warranties of
merchantability or fitness for any particular purpose. The user will assume the
entire risk of the use or the results of the use of this document. Further, the
manufacturer reserves the right to revise this publication and make changes to
its contents at any time, without obligation to notify any person or entity of such
revisions or changes.
© 2009. All Rights Reserved.
Trademarks
Windows®2000 and Windows®XP are registered trademarks of Microsoft Corpo-
ration. Award is a registered trademark of Award Software, Inc. Other trademarks
and registered trademarks of products appearing in this manual are the proper-
ties of their respective holders.
FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment
is operated in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or televi-
sion reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
• Consult the dealer or an experienced radio TV technician for help.
Notice:
1. The changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
2. Shielded interface cables must be used in order to comply with the emission
limits.

Table of Contents
About this Manual................................................................................
Warranty.................................................................................................
Static Electricity Precaution................................................................
Safety Measures.....................................................................................
About the Package...............................................................................
About the Genie BIOS Guideline.....................................................
Before Using the System Board.........................................................
System Board Layout............................................................................
English.....................................................................................................
简体中文..................................................................................................
繁體中文...................................................................................................
日本語...................................................................................................
한국어 ....................................................................................................
Debug LED POST and Troubleshooting..........................................
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About this Manual
An electronic file of this manual is included in the DVD. To view the user’s man-
ual, insert the DVD into an optical drive. The autorun screen will appear. On the
top row of the screen, click the last icon to open the Manuals menu.
For additional information on the system board, please download the complete
version of the manual from DFI’s website. Visit www.dfi.com.
Warranty
1. Warranty does not cover damages or failures that arised from misuse of the
product, inability to use the product, unauthorized replacement or alteration
of components and product specifications.
2. The warranty is void if the product has been subjected to physical abuse,
improper installation, modification, accidents or unauthorized repair of the
product.
3. Unless otherwise instructed in this user’s manual, the user may not, under
any circumstances, attempt to perform service, adjustments or repairs on the
product, whether in or out of warranty. It must be returned to the purchase
point, factory or authorized service agency for all such work.
4. We will not be liable for any indirect, special, incidental or consequencial
damages to the product that has been modified or altered.

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Static Electricity Precautions
It is quite easy to inadvertently damage your PC, system board, components
or devices even before installing them in your system unit. Static electrical dis-
charge can damage computer components without causing any signs of physical
damage. You must take extra care in handling them to ensure against electro-
static build-up.
1. To prevent electrostatic build-up, leave the system board in its anti-static bag
until you are ready to install it.
2. Wear an antistatic wrist strap.
3. Do all preparation work on a static-free surface.
4. Hold the device only by its edges. Be careful not to touch any of the compo-
nents, contacts or connections.
5. Avoid touching the pins or contacts on all modules and connectors. Hold
modules or connectors by their ends.
Important:
Electrostatic discharge (ESD) can damage your processor, disk drive and
other components. Perform the upgrade instruction procedures described
at an ESD workstation only. If such a station is not available, you can
provide some ESD protection by wearing an antistatic wrist strap and
attaching it to a metal part of the system chassis. If a wrist strap is
unavailable, establish and maintain contact with the system chassis
throughout any procedures requiring ESD protection.
Safety Measures
To avoid damage to the system:
• Use the correct AC input voltage range.
To reduce the risk of electric shock:
• Unplug the power cord before removing the system chassis cover for instal-
lation or servicing. After installation or servicing, cover the system chassis
before plugging the power cord.
Battery:
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by the manufac-
turer.
• Dispose of used batteries according to local ordinance.

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About the Package
The system board package contains the following items. If any of these items are
missing or damaged, please contact your dealer or sales representative for as-
sistance.
;One system board
;One IDE cable
;Two Serial ATA data cables
;One Serial ATA power cable
;One I/O shield
;One DVD
;One user’s manual
The system board and accessories in the package may not come similar to the
information listed above. This may differ in accordance to the sales region or
models in which it was sold. For more information about the standard package in
your region, please contact your dealer or sales representative.
About the Genie BIOS Guideline
Genie BIOS allows configuring the system to optimize system performance and
overclock capability. For detailed information about Genie BIOS, please download
the Genie BIOS Guideline from DFI’s website (www.dfi.com). The guideline is also
available in the provided DVD.
Before Using the System Board
Before using the system board, prepare basic system components.
If you are installing the system board in a new system, you will need at least the
following internal components.
• A CPU
• Memory module
• Storage devices such as hard disk drive, CD-ROM, etc.
You will also need external system peripherals you intend to use which will nor-
mally include at least a keyboard, a mouse and a video display monitor.

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System Board Layout
Parallel
Mouse
KB
Parallel
VGA
COM1
USB 0
USB 1
LAN
USB 2
USB 3
Mic-in
Line-in
Line-out
1
PS/2 power
select (JP1)
1
+12V power
Socket 775
USB 0-3 power
select (JP3)
1
Realtek
RTL8111C
CD-in
1
PCIE x16
PCIE x1
Realtek
ALC662
S/PDIF
Front audio
1
1
Winbond
W83627
PCI 1
PCI 2
1
Chassis 1COM 2
intrussion
USB 4-5
1
USB 6-7
1
1
USB 4-7 power
select (J 2)P
Intel
ICH7
Clear CMOS
(JP5)
1
SPI Flash
BIOS
1
FDD Front panel
1
Standby Power LED
SATA 2
1
SATA 1
1
SATA 4
1
SATA 3
1
1
System
fan
IDE
1
Battery
1
2nd fan
DIMM 1 DIMM 2
24
12
113
ATX
power
Intel
G41
1
CPU fan

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Chapter 1 - Introduction
Specifications
Processor
Chipset
System Memory
Expansion Slots
Graphics
Audio
LAN
Serial ATA
IDE
Rear Panel I/O
Ports
• LGA 775 socket for:
- Intel®CoreTM2 Quad / Intel®CoreTM2 Duo
- Intel®Wolfdale 45nm processors
• Supports Intel Enhanced Memory 64 Technology (EMT64T)
• Supports Enhanced Intel SpeedStep Technology (EIST)
• 1333/1066/800MHz FSB
• Intel®chipset
- Northbridge: Intel®G41 Express chipset
- Southbridge: Intel®ICH7 I/O Controller Hub
• Two 240-pin DDR3 DIMM sockets
• Supports DDR3 800/1066MHz
• Supports maximum memory bandwidth of 17GB/s in dual-
channel mode when using DDR3 1066MHz
• Supports dual channel (128-bit wide) memory interface
• Supports up to 8GB system memory
• Supports unbuffered x8 and x16 DIMMs
• 1 PCI Express x16 slot (PCIE 1.1)
• 1 PCI Express x1 slot (PCIE 1.1)
• 2 PCI slots (PCI 2.3)
• Intel GMA X4500
- Supports 3D, 2D and video capabilities, DX10 and
OpenGL 1.5
• Realtek ALC662
• 2-channel High Definition Audio
• S/PDIF output interface
• One Realtek RTL8111C PCI Express Gigabit controller
• Supports 10Mbps, 100Mbps and 1Gbps data transmission
• IEEE 802.3 (10/100Mbps) and IEEE 802.3ab (1Gbps) com-
pliant
• Supports 4 SATA (Serial ATA) interfaces which are compliant
with SATA 1.0 specification
• SATA speed up to 3Gb/s (SATA 2.0)
• Supports up to two IDE devices
• Ultra ATA 100/66/33
• 1 mini-DIN-6 PS/2 mouse port
• 1 mini-DIN-6 PS/2 keyboard port
• 1 DB-25 parallel port
• 1 DB-9 serial port
• 1 DB-15 VGA port
• 1 RJ45 LAN port
• 4 USB 2.0/1.1 ports
• Mic-in, line-in and line-out

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I/O Connectors
BIOS
Energy Efficient
Design
Damage Free
Intelligence
Temperature
Humidity
PCB
• 2 connectors for 4 additional external USB 2.0/1.1 ports
• 1 connector for an external serial port
• 1 front audio connector
• 1 CD-in internal audio connector
• 1 S/PDIF-out connector
• 4 Serial ATA connectors
• 1 40-pin IDE connector
• 1 FDD connector
• 1 24-pin ATX power connector
• 1 4-pin 12V power connector
• 1 chassis open connector
• 1 front panel connector
• 3 fan connectors
• Award BIOS
• 8Mbit SPI interface BIOS
• Supports ACPI specification and OS Directed Power Manage-
ment
• Supports ACPI STR (Suspend to RAM) function
• Wake-On-Events include:
- Wake-On-PS/2 Keyboard/Mouse
- Wake-On-USB Keyboard/Mouse
- Wake-On-LAN
- Wake-On-Ring
- RTC timer to power-on the system
• System power management supported
• Microsoft®/Intel®APM 1.2 compliant
• Soft Power supported - ACPI v3.0b specification
• AC power failure recovery
• Monitors CPU/System/AUX temperature and overheat alarm
• Monitors CPU/DIMM/3.3V/5V/12V/V3SB/1.1V/VBAT voltages
and failure alarm
• Monitors CPU/System/2nd fan speed and failure alarm
• Read back capability that displays temperature, voltage and
fan speed
• Watchdog timer function
• 0oC to 60oC
• 10% to 90%
• 4-layers, microATX form factor
• 24.4cm (9.6”) x 24.4cm (9.6”)

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Chapter 2 - Hardware Installation
Parallel
Jumper Settings
Clear CMOS Data
If you encounter the following,
a) CMOS data becomes corrupted.
b) You forgot the supervisor or user password.
you can reconfigure the system with the default values stored in the ROM BIOS.
To load the default values stored in the ROM BIOS, please follow the steps below.
1. Power-off the system and unplug the power cord.
2. Set JP5 pins 2 and 3 to On. Wait for a few seconds and set JP5 back to its
default setting, pins 1 and 2 On.
3. Now plug the power cord and power-on the system.
JP5
2-3 On:
Clear CMOS Data
1-2 On: Normal
(default)
312 312

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Parallel
JP1 is used to select the power of the PS/2 keyboard/mouse port. Selecting
5V_standby will allow you to use the PS/2 keyboard or PS/2 mouse to wake up
the system.
BIOS Setting
Configure the PS/2 keyboard/mouse wake up function in the Integrated Periph-
erals submenu (“Super IO Device” section) of the BIOS. Refer to chapter 3 for
more information.
Important:
The 5VSB power source of your power supply must support ≥720mA.
PS/2 Power Select
JP1
2-3 On:
5V_standby
1-2 On: 5V
(default)
3
1
2
3
1
2

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Parallel
These jumpers are used to select the power of the USB ports. Selecting 5V_
standby will allow you to use a USB device to wake up the system.
BIOS Setting
“USB KB Wake-Up From S3” in the Power Management Setup submenu of the
BIOS must be set to Enabled. Refer to chapter 3 for more information.
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB
ports, the 5V_standby power source of your power supply must support
≥1.5A. For 3 or more USB ports, the 5V_standby power source of your
power supply must support ≥2A.
USB Power Select
USB 0-3
(JP3) 3
1
2
3
1
2
2-3 On:
5V_standby
1-2 On: 5V
(default)
312 312
2-3 On:
5V_standby
1-2 On: 5V
(default)
USB 4-7
(JP2)

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Rear Panel I/O Ports
Line-in
Line-out
Mic-in
USB 0 USB 2-3
Parallel
PS/2
Mouse
PS/2 K/B
LAN
VGA
COM 1
USB 1
PS/2 Ports and Parallel Port
Parallel
PS/2 Mouse
PS/2 KB
PS/2 Mouse and PS/2 Keyboard Ports
These ports are used to connect a PS/2 mouse and a PS/2 keyboard.
Parallel Port
The parallel port is for interfacing your PC to a parallel printer. It supports SPP,
ECP and EPP.
Parallel

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COM and VGA Ports
Parallel
COM 1
COM 1
DCD- TD RD DTR- GND
12345
RTS-
RI-
DSR-
CTS-
6789
COM 2
COM 2
19
2
DCD-
TD
GND
RTS-
RI-
RD
DTR-
DSR-
CTS-
VGA
COM Ports
The serial ports are RS232 asynchronous communication ports with 16C550A-
compatible UARTs that can be used with modems, serial printers, remote display
terminals, and other serial devices.
VGA Port
The VGA port is used for connecting a VGA monitor.

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USB and LAN Ports
Parallel
USB 2
USB 3
USB 4-5
USB 6-7
USB 1
USB 0
10
VCC
-Data
+Data
GND
Key
VCC
-Data
+Data
GND
N. C.
91
2
LAN
USB
The USB ports are used to connect USB 2.0/1.1 devices. The 10-pin connectors
allow you to connect 4 additional USB 2.0/1.1 ports. Your USB ports may come
mounted on a card-edge bracket. Install the card-edge bracket to an available
slot at the rear of the system chassis then connect the USB port cables to these
connectors.
LAN
The LAN port allows the system board to connect to a local area network by
means of a network hub.

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Parallel
Audio
Line-out
Line-in
Mic-in
Rear audio
Front
audio 1
Mic2-L
Line2-R
Front_IO_Sense
GND Presence Signal Key
210
Mic2-JD
Line2-JD
9
Mic2-R
Line2-L
Rear Audio
The system board is equipped with 3 audio jacks. A jack is a one-hole connecting
interface for inserting a plug.
• Mic-in Jack (Pink)
This jack is used to connect an external microphone.
• Line-in Jack (Light Blue)
This jack is used to connect any audio devices such as Hi-fiset, CD player,
tape player, AM/FM radio tuner, synthesizer, etc.
• Line-out Jack (Lime)
This jack is used to connect a headphone or external speakers.
Front Audio
The front audio connector allows you to connect to the second line-out and mic-
in jacks that are at the front panel of your system.

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CD-in and S/PDIF-Out Connectors
Internal I/O Connectors
Parallel
4
1
Left audio channel
Right audio channel
Ground
Ground
CD-in
15
+5V
Key
SPDIF out
Ground
N. C.
S/PDIF-out
CD-in
The CD-in connector is used to receive audio from a CD-ROM drive, TV tuner or
MPEG card.
S/PDIF-Out
The S/PDIF-out connector is used to connect an external S/PDIF-out port. Your
S/PDIF port may be mounted on a card-edge bracket. Install the card-edge
bracket to an available slot at the rear of the system chassis then connect the
audio cable to the S/PDIF-out connector. Make sure pin 1 of the audio cable is
aligned with pin 1 of the S/PDIF-out connector.

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Serial ATA Connectors
Parallel
SATA 4 SATA 3
SATA 2 SATA 1
1
RXN
GND
TXP
TXN
GND
7
RXP
GND
The Serial ATA connectors are used to connect Serial ATA devices. Connect one
end of the Serial ATA cable to a SATA connector and the other end to your Serial
ATA device.
Parallel
Chassis Instrusion Connector
The board supports the chassis intrusion detection function. Connect the chas-
sis intrusion sensor cable from the chassis to this connector. When the system’s
power is on and a chassis intrusion occurred, an alarm will sound. When the
system’s power is off and a chassis intrusion occurred, the alarm will sound only
when the system restarts.
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Signal
Ground

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FDD Connector and IDE Connector
FDD Connector
The floppy disk drive connector is used to connect a floppy drive. Insert one end
of the floppy cable into this connector and the other end-most connector to the
floppy drive. The colored edge of the cable should align with pin 1 of this con-
nector.
IDE Connector
The IDE disk drive connector is used to connect 2 IDE disk drives. An IDE cable
have 3 connectors on them, one that plugs into this connector and the other 2
connects to IDE devices. The connector at the end of the cable is for the Master
drive and the connector in the middle of the cable is for the Slave drive. The col-
ored edge of the cable should align with pin 1 of this connector.
Note:
When using two IDE drives, one must be set as the master and the
other as the slave. Follow the instructions provided by the drive manu-
facturer for setting the jumpers and/or switches on the drives.
Parallel
40 39
21
33
34 2
1
IDE
FDD

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Parallel
Cooling Fan Connectors
1
4
Sense
Power
GroundSpeed
Control
CPU fan
1
3Sense
Power
Ground
1
3Sense
Power
Ground
2nd fan
System fan
These fan connectors are used to connect cooling fans. Cooling fans will provide
adequate airflow throughout the chassis to prevent overheating the CPU and sys-
tem board components.