This publication, including all photographs, illustrations and software, is protected under
international copyright laws, with all rights reserved. Neither this manual, nor any of the
material contained herein, may be reproduced without written consent of the author.
Version 1.0c
Disclaimer
The information in this document is subject to change without notice. The manufacturer
makes no representations or warranties with respect to the contents hereof and specifically
disclaims any implied warranties of merchantability or fitness for any particular purpose.
The manufacturer reserves the right to revise this publication and to make changes from
time to time in the content hereof without obligation of the manufacturer to notify any
person of such revision or changes.
Trademark Recognition
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corp.
MMX, Pentium, Pentium-II, Pentium-III, Celeron are registered trademarks of Intel Corporation.
Other product names used in this manual are the properties of their respective owners and
are acknowledged.
Federal Communications Commission (FCC)
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 in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, 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 television 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 onto 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
Shielded interconnect cables and a shielded AC power cable must be employed with this
equipment to ensure compliance with the pertinent RF emission limits governing this
device. Changes or modifications not expressly approved by the system’s manufacturer
could void the user’s authority to operate the equipment.
Preface
ii
Declaration of Conformity
This device complies with part 15 of the FCC rules. Operation is subject to the following
conditions:
•This device may not cause harmful interference, and
•This device must accept any interference received, including interference
that may cause undesired operation
Canadian Department of Communications
This class B digital apparatus meets all requirements of the Canadian Interference-causing
Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur le
matériel brouilieur du Canada.
About the Manual
The manual consists of the following:
Chapter 1
Introducing the Motherboard
Describes features of the motherboard.
Go to
H
page 1
Chapter 2
Installing the Motherboard
Chapter 3
Using BIOS
Chapter 4
Using the Motherboard Software
Chapter 5
Installing SLI-ready Graphics
Cards
Describes installation of motherboard
components.
Go to
Provides information on using the BIOS
Setup Utility.
Installing the device driver......................................................................54
Enabling the multi-GPU feature in Windows.......................................54
Multi-Language Translation
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the C19-A SLI motherboard. This motherboard is a high performance, enhanced function motherboard designed to support the LGA775 socket Intel
Pentium 4/Celeron D/Pentium D/Pentium 4 Extreme Edition/Pentium processor Extreme
Edition processors for high-end business or personal desktop markets.
The motherboard incorporates the C19XE Northbridge (NB) and MCP51 Southbridge (SB)
chipsets. The Northbridge supports a Front Side Bus (FSB) frequency of 1066/800/533 MHz
using a scalable FSB Vcc_CPU. The memory controller supports DDR2 memory DIMM
frequencies of 667/533 MHz. It supports four DDR2 sockets with up to maximum memory
of 16 GB. DDR2 Maximum memory bandwidth of 10.7 GB/s in dual-channel interleaved
mode assuming DDR2 667 MHz. High resolution graphics via two PCI Express slots,
intended for SLI mode Graphics Interface, are fully compliant to the PCI Express Base
Specification revision 1.0a.
The MCP51 Southbridge is a highly integrated media and communications processor (MCP)
with up to 800 MHz HyperTransport link interface. It supports three PCI slots which are
PCI 2.3 compliant. With the integrated SATA II controllers, this motherboard supports
four drives up to 3.0 Gb/s per direction per channel. USB 2.0 Enhanced Host Controller
Interface (EHCI) provides up to 8 USB 2.0 ports. The MCP51 supports advanced system
and power management features with integrated system power sequencing support.
This motherboard is equipped with advanced full set of I/O ports in the rear panel, including
PS/2 mouse and keyboard connectors, COM1, LPT, four USB ports, one optional LAN
port, two S/PDIF out ports and audio jacks for microphone, line-in and line-out.
1
Introducing the Motherboard
2
Feature
Processor
This motherboard uses an LGA775 type of Pentium 4/Celeron D/Pentium D/Pentium
4 Extreme Edition/Pentium processor Extreme Edition that carries the following
features:
•Accommodates Intel Pentium 4/Celeron D/Pentium D processors
•Supports a system bus (FSB) of 1066/800/533 MHz
•Supports “Hyper-Threading” technology CPU
“Hyper-Threading” technology enables the operating system into thinking it’s hooked
up to two processors, allowing two threads to be run in parallel, both on separate
“logical” processors within the same physical processor.
Chipset
The C19XE Northbridge (NB) and MCP51 Southbridge (SB) chipsets are based on an
innovative and scalable architecture with proven reliability and performance.
C19XE (NB)
MCP51 (SB)
Memory
•DDR2 667/533 DDR2 SDRAM with Dual-channel DDR2 architecture
•Accommodates four unbuffered DIMMs, 4 GB per DIMM with maximum
memory size up to 16 GB
•HyperTransport x8/x8 up and down links at 800 MHz to the
next generation MCPs
•Five independent PCI Express controllers with 20 total lanes,
configured as one x16 and four x1 PCI Express lanes or
two x8 and three x1 PCI Express lanes
•128-bit dual channel DDR2 with two independent 64-bit
momory controllers supporting up to four DDR2-667 DIMMs
•Full ACPI 2.0 and PCI PM 1.1 support and power management
•HyperTransport x4/x8 up and down links, at up to 800 MHz
•PCI 2.3 interface supporting up to five PCI slots
•Two SATA II controllers with integrated 3.0 Gb/s PHYs,
each supporting two drives in master mode
•Fast ATA-133 IDE controller
•USB 2.0 EHCI and USB 1.1 OHCI Controller, supporting up to
8 ports
1394a FireWire (Optional)
•Fully compliant with provisions of IEEE Std 1394-1995 for a high-performance serial bus and IEEE Std 1394a-2000
14 USB3~4 Front panel USB headers
15 1394A1~A2* Onboard 1394a headers
16 CD_IN1 Analog audio input connector
17 AUDIO1 Front panel audio header
18 PCI1~3 32-bit add-on card slots
19 PCIE2/4
20 PCIE1/3 PCI Express x1 slots
PCI Express x16 slots (SLI mode: x8+x8, single
PCI-E is x8 mode) for graphics interface
21 ATX4P1 Auxiliary power connector for graphic card
22 NB_FANNorthbridge fan connector
23 ATX12V1 Auxiliary 4-pin power connector
5
“*” stands for optional components and may not exist onboard.
This concludes Chapter 1. The next chapter explains how to install the motherboard.
Introducing the Motherboard
6
Memo
Introducing the Motherboard
Chapter 2
Installing the Motherboard
Safety Precautions
•Follow these safety precautions when installing the motherboard
•Wear a grounding strap attached to a grounded device to avoid damage from
static electricity
•Discharge static electricity by touching the metal case of a safely grounded
object before working on the motherboard
•Leave components in the static-proof bags they came in
•Hold all circuit boards by the edges. Do not bend circuit boards
Choosing a Computer Case
There are many types of computer cases on the market. The motherboard complies with
the specifications for the ATX system case. First, some features on the motherboard are
implemented by cabling connectors on the motherboard to indicators and switches on the
system case. Make sure that your case supports all the features required. Secondly, this
motherboard supports one or two floppy diskette drives and two enhanced IDE drives.
Make sure that your case has sufficient power and space for all drives that you intend to
install.
Most cases have a choice of I/O templates in the rear panel. Make sure that the I/O
template in the case matches the I/O ports installed on the rear edge of the motherboard.
This motherboard carries an ATX form factor of 305 x 244 mm. Choose a case that
accommodates this form factor.
Installing the Motherboard in a Case
7
Refer to the following illustration and instructions for installing the motherboard in a case.
Most system cases have mounting brackets installed in the case, which correspond the holes
in the motherboard. Place the motherboard over the mounting brackets and secure the
motherboard onto the mounting brackets with screws.
Ensure that your case has an I/O template that supports the I/O ports and expansion slots
on your motherboard.
Installing the Motherboard
8
Do not over-tighten the screws as this can stress the motherboard.
Checking Jumper Settings
This section explains how to set jumpers for correct configuration of the motherboard.
Setting Jumpers
Use the motherboard jumpers to set system configuration options. Jumpers with more than
one pin are numbered. When setting the jumpers, ensure that the jumper caps are placed on
the correct pins.
The illustrations show a 2-pin jumper. When
the jumper cap is placed on both pins, the
jumper is SHORT. If you remove the jumper
cap, or place the jumper cap on just one pin,
the jumper is OPEN.
This illustration shows a 3-pin jumper. Pins
1 and 2 are SHORT
SHORT OPEN
Installing the Motherboard
Checking Jumper Settings
The following illustration shows the location of the motherboard jumpers. Pin 1 is labeled.
9
Jumper Settings
Jumper
CLR_CMOS
Type
3-pinCLEAR CMOS
To avoid the system instability after clearing CMOS, we recommend
users to enter the main BIOS setting page to “Load Optimized Defaults” and then “Save & Exit Setup”.
Description
Setting (default)
1-2: NORMAL
2-3: CLR_CMOS
Before clearing the
CMOS, make sure to
turn off the system.
Installing the Motherboard
CLR_CMOS
1
10
Connecting Case Components
After you have installed the motherboard into a case, you can begin connecting the motherboard components. Refer to the following:
1Connect the CPU cooling fan cable to CPU_FAN.
2Connect the case fan connector to CAS_FAN1.
3 Connect the northbridge fan connector to NB_FAN.
4Connect the connector for graphics interface to ATX4P1.
5Connect the case switches and indicator LEDs to the PANEL1.
6Connect the standard power supply connector to ATX1.
7Connect the auxiliary case power supply connector to ATX12V1.
8Connect the case speaker cable to SPK1.
Connecting 20/24-pin power cable
Users please note that the 20-pin and 24-pin power cables can both be connected to the ATX1 connector. With the 20-pin power cable, just align the 20pin power cable with the pin 1 of the ATX1 connector. However, using 20-pin
power cable may cause the system to become unbootable or unstable because of
insufficient electricity. A minimum power of 300W is recommended for a fully
-configured system.
With ATX v1.x power supply, users please
note that when installing 20-pin power cable,
the latche of power cable falls on the left
side of the ATX1 connector latch, just as the
picture shows.
20-pin power cable
With ATX v2.x power supply, users please
note that when installing 24-pin power cable,
the latches of power cable and the ATX1
match perfectly.
24-pin power cable
Installing the Motherboard
CPU_FAN: CPU Cooling FAN Power Connector
PinSignal NameFunction
1GNDSystem Ground
2+12VPower +12V
3 Sense Sensor
4 PWM CPU FAN control
Users please note that the fan connector supports the CPU cooling
fan of 1.1A~2.2A (26.4W max.) at +12V.
CAS_FAN1 :CASE FAN Power Connector
PinSignal NameFunction
1GNDSystem Ground
2+12VPower +12V
3 Sense Sensor
NB_FAN : Northbridge FAN Power Connector
PinSignal NameFunction
PinSignal NameFunction
1GNDSystem Ground
2+12VPower +12V
3 Sense Sensor
ATX12V1: ATX 12V Power Connector
11
PinSignal Name
1Ground
2Ground
3+12V
4+12V
ATX1: ATX 24-pin Power Connector
Pin Signal Name Pin Signal Name
1+3.3V13+3.3V
2+3.3V14-12V
3GROUND15GROUND
4+5V16PS_ON
5GROUND17GROUND
6+5V18GROUND
7GROUND19GROUND
8PWR OK20-5V
9+5VSB21 +5V
10+12V22+5V
11+12V23+5V
12+3.3V24GROUND
Installing the Motherboard
12
ATX4P1: Auxiliary Power Connector for Graphics Interface
PinSignal Name
1NC
2GND
3GND
Make sure to connect a 4-pin ATX power cable
to ATX4P1; otherwise, the system will be unstable.
4+12V
SPK1: Internal speaker
PinSignal Name
1VCC
2Key
3NC
4Signal
Front Panel Connector
The front panel connector (PANEL1) provides a standard set of switch and LED connectors commonly found on ATX or micro-ATX cases. Refer to the table below for information:
PinSignalFunctionPinSignalFunction
1 HD_LED_P Hard disk LED(+) 2 FP PWR/SLP *MSG LED(+)
3 HD_LED_N Hard disk LED(-)
5 RST_SW_N Reset Switch(-)
7 RST_SW_P Reset Switch(+)
9 RSVDReserved
* MSG LED (dual color or single color)
4 FP PWR/SLP *MSG LED(-)
6 PWR_SW_P Power Switch (+)
8 PWR_SW_N Power Switch (-)
10 KeyNo pin
Hard Drive Activity LED
Connecting pins 1 and 3 to a front panel mounted LED provides visual indication that data
is being read from or written to the hard drive. For the LED to function properly, an IDE
drive should be connected to the onboard IDE interface. The LED will also show activity
for devices connected to the SCSI (hard drive activity LED) connector.
Power/Sleep/Message waiting LED
Connecting pins 2 and 4 to a single or dual-color, front panel mounted LED provides power
on/off, sleep, and message waiting indication.
Reset Switch
Supporting the reset function requires connecting pin 5 and 7 to a momentary-contact
switch that is normally open. When the switch is closed, the board resets and runs POST.
Installing the Motherboard
Power Switch
Supporting the power on/off function requires connecting pins 6 and 8 to a momentarycontact switch that is normally open. The switch should maintain contact for at least 50 ms
to signal the power supply to switch on or off. The time requirement is due to internal debounce circuitry. After receiving a power on/off signal, at least two seconds elapses before
the power supply recognizes another on/off signal.
Installing Hardware
Installing the Processor
Caution: When installing a CPU heatsink and cooling fan make sure that
you DO NOT scratch the motherboard or any of the surface-mount
resistors with the clip of the cooling fan. If the clip of the cooling fan
scrapes across the motherboard, you may cause serious damage to the
motherboard or its components.
On most motherboards, there are small surface-mount resistors near the
processor socket, which may be damaged if the cooling fan is carelessly
installed.
Avoid using cooling fans with sharp edges on the fan casing and the clips.
Also, install the cooling fan in a well-lit work area so that you can clearly
see the motherboard and processor socket.
Before installing the Processor
This motherboard automatically determines the CPU clock frequency and system bus
frequency for the processor. You may be able to change these settings by making changes to
jumpers on the motherboard, or changing the settings in the system Setup Utility. We
strongly recommend that you do not over-clock processors or other components to run
faster than their rated speed.
13
Warning: Over-clocking components can adversely affect the reliability
of the system and introduce errors into your system. Over-clocking can
permanently damage the motherboard by generating excess heat in
components that are run beyond the rated limits.
This motherboard has an LGA 775 socket. When choosing a processor, consider the
performance requirements of the system. Performance is based on the processor design, the
clock speed and system bus frequency of the processor, and the quantity of internal cache
memory and external cache memory.
Installing the Motherboard
14
CPU Installation Procedure
The following illustration shows CPU installation components.
A. Read and follow the instructions shown on the
sticker on the CPU cap.
B. Unload the cap
· Use thumb & forefinger to hold the
lifting tab of the cap.
· Lift the cap up and remove the cap
completely from the socket.
C. Open the load plate
· Use thumb & forefinger to hold the
hook of the lever, pushing down and pulling
aside unlock it.
· Lift up the lever.
· Use thumb to open the load plate. Be
careful not to touch the contacts.
D. Install the CPU on the socket
· Orientate CPU package to the socket.
Make sure you match triangle marker
to pin 1 location.
E. Close the load plate
· Slightly push down the load plate onto the
tongue side, and hook the lever.
· CPU is locked completely.
F. Apply thermal grease on top of the CPU.
G. Fasten the cooling fan supporting base onto
the CPU socket on the motherboard.
H. Make sure the CPU fan is plugged to the
CPU fan connector. Please refer to the CPU
cooling fan user’s manual for more detail
installation procedure.
1.To achieve better airflow rates and heat dissipation, we suggest that you
use a high quality fan with 3800 rpm at least. CPU fan and heatsink
installation procedures may vary with the type of CPU fan/heatsink sup plied. The form and size of fan/heatsink may also vary.
2.Do not remove the CPU cap from the socket before installing a CPU.
3.Return Material Authorization (RMA) requests will be accepted only if the
motherboard comes with the cap on the LGA775 socket.
Installing the Motherboard
Installing Memory Modules
This motherboard accommodates four memory modules. It can support four 240-pin DDR2
667/533 DDR2 SDRAM. The total memory capacity is 16 GB.
DDR2 SDRAM memory module table
Memory moduleMemory Bus
DDR2 533 266MHz
DDR2 667 333MHz
You must install at least one module in any of the four slots. Each module can be installed
with4 GB of memory; total memory capacity is 16 GB.
Do not remove any memory module from its antistatic packaging until you
are ready to install it on the motherboard. Handle the modules only by
their edges. Do not touch the components or metal parts. Always wear a
grounding strap when you handle the modules.
Installation Procedure
Refer to the following to install the memory modules.
1This motherboard supports unbuffered DDR2 SDRAM .
2Push the latches on each side of the DIMM slot down.
3Align the memory module with the slot. The DIMM slots are keyed with
notches and the DIMMs are keyed with cutouts so that they can only be
installed correctly.
4Check that the cutouts on the DIMM module edge connector match the notches
in the DIMM slot.
5Install the DIMM module into the slot and press it firmly down until it seats
correctly. The slot latches are levered upwards and latch on to the edges of
the DIMM.
6Install any remaining DIMM modules.
15
Installing the Motherboard
16
Table A: DDR2 QVL (Qualified Vender List)
The following DDR2 memory modules have been tested and qualified
Installing a Hard Dish Drive/CD-ROM/SATA Hard Drive
This section describes how to install IDE devices such as a hard disk drive and a CD-ROM
.
drive
About IDE Devices
Your motherboard has two IDE channel interfaces(IDE1 & IDE2). Two IDE ribbon cables
supporting four IDE devices is bundled with the motherboard.
You must orient the cable connector so that the pin1 (color) edge of the
cable corresponds to the pin 1 of the I/O port connector.
IDE1: Primary IDE Connector
The first hard drive should always be connected to IDE1.
IDE2: Secondary IDE Connector
The secondary drive on this controller must be set to slave mode. The configuration is the
same as IDE1.
17
IDE devices enclose jumpers or switches used to set the IDE device as MASTER or SLAVE.
Refer to the IDE device user’s manual. Installing two IDE devices on one cable, ensure that
one device is set to MASTER and the other device is set to SLAVE. The documentation of
your IDE device explains how to do this.
About SATA Connectors
Your motherboard features four SATA connectors supporting a total of four drives. SATA ,
or Serial ATA (Advanced Technology Attachment) is the standard interface for the IDE
hard drives which are currently used in most PCs. These connectors are well designed and
will only fit in one orientation. Locate the SATA connectors on the motherboard and follow
the illustration below to install the SATA hard drives.
Installing Serial ATA Hard Drives
To install the Serial ATA (SATA) hard drives, use the SATA cable that supports the Serial
ATA protocol. This SATA cable comes with an SATA power cable. You can connect either
end of the SATA cable to the SATA hard drive or the connector on the motherboard.
SATA cable (optional)
SATA power cable (optional)
Installing the Motherboard
18
Refer to the illustration below for proper installation:
1Attach either cable end to the connector on the motherboard.
2Attach the other cable end to the SATA hard drive.
3Attach the SATA power cable to the SATA hard drive and connect the other
end to the power supply.
This motherboard does not support the “Hot-Plug” function.
Installing a Floppy Diskette Drive
The motherboard has a floppy diskette drive (FDD) interface and ships with a diskette drive
ribbon cable that supports one or two floppy diskette drives. You can install a 5.25-inch
drive and a 3.5-inch drive with various capacities. The floppy diskette drive cable has one
type of connector for a 5.25-inch drive and another type of connector for a 3.5-inch drive.
You must orient the cable connector so that the pin 1 (color) edge of the
cable corresponds to the pin 1 of the I/O port connector.
FDD: Floppy Disk Connector
This connector supports the provided floppy drive ribbon cable. After connecting the single
end to the onboard floppy connector, connect the remaining plugs on the other end to the
floppy drives correspondingly.
Installing the Motherboard
Installing Add-on Cards
The slots on this motherboard are designed to hold expansion cards and connect them to the
system bus. Expansion slots are a means of adding or enhancing the motherboard’s features
and capabilities. With these efficient facilities, you can increase the motherboard’s capabilities by adding hardware that performs tasks that are not part of the basic system.
19
PCIE1/3
Slots
PCIE2/4
Slots
PCI 1~3
Slots
The PCI Express x1 slots are fully compliant to the PCI Express Base
Specification revision 1.0a.
The PCI Express x16 slot is used to install an external PCI Express graphics
card that is fully compliant to the PCI Express Base Specification revision
1.0a. (SLI Mode: x8+x8, single PCI-E is x8 mode)
This motherboard is equipped with three standard PCI slots. PCI stands for
Peripheral Component Interconnect and is a bus standard for expansion
cards, which for the most part, is a supplement of the older ISA bus standard.
The PCI slots on this board are PCI v2.3 compliant.
1. Before installing an add-on card, check the documentation for the card
carefully. If the card is not Plug and Play, you may have to manually
configure the card before installation.
2. PCIE3 slot will be disabled when PCIE4 slot is installed.
Installing the Motherboard
20
Follow these instructions to install add-on cards:
1. Open the chassis and then remove the slot bracket from the case where you will
be installing the expansion cards.
2. Install your graphics card in the proper slot by pressing the card firmly into the
slot.
3. Drive in the screw to secure the slot bracket of the expanson card.
4. Replace your computer’s chassis cover.
5. Power on the computer, if necessary, set up BIOS utility of expansion card from
BIOS.
6. Install related driver to complete the installation.
Installing two graphics cards
Notes: 1. The two PCIE x16 slots (SLI Mode: x8+x8, single PCI-E is x8 mode) run in two modes. With
only one PCI Express Graphics card, install it onto PCIE2 slot by default. Having two PCI
Express Graphics cards at hand, set them up onto PCIE2 and PCIE4 slots simultaneously.
2. The Scalable D.G.E. supports a four-monitor configuration when
4 slot are working simultaneously.
3. Please note that the graphics card driver supports Windows 2000/XP only.
4. Make sure to connect a 4-pin ATX power cable to the ATX4P1; otherwise, the system will
be unstable.
PCIE2 slot and PCIE
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional devices:
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
PinSignal NameFunction
PinSignal NameFunctionPin Signal Name Function
1MIC2_RL Smart jack F left channel
2AGND AGND
3MIC2_RR Smart jack F right channel
4VCC3 Front Audio detect
5LINE2_RR Smart jack E right channel
6RET_R NC
7 REVD SENSE B
8Key No pin
9LINE2_RL Smart jack E left channel
10RET_L NC
CD_IN1: Analog audio input connector
PinSignal NameFunction
1CD in_RCD In right channel
2GNDGround
3GNDGround
4CD in_LCD In left channel
1394A1~A2(Optional): 1394A headers
PinSignal Name
PinSignal NameFunction
A1P
1
3GND 4 GND
5B1P 6B1M
7CPWR 8 CPWR
9 Key 10 GN D
PinSignal Name
A1M
2
Installing the Motherboard
21
22
USB3/4: Front Panel USB headers
The motherboard has four USB ports installed on the rear edge I/O port array. Additionally,
there are two USB headers onboard. Use the auxiliary USB headers to connect the frontmounted ports to the motherboard.
PinSignal NameFunction
1USBPWRFront Panel USB Power
2USBPWRFront Panel USB Power
3USB_FP_P0-USB Port 0 Negative Signal
4USB_FP_P1-USB Port 1 Negative Signal
5USB_FP_P0+USB Port 0 Positive Signal
6USB_FP_P1+USB Port 1 Positive Signal
7GNDGround
8GNDGround
9KeyNo pin
10USB_FP_OC0Overcurrent signal
IR1: Infrared header
The mainboard supports an Infrared (IR1) data port. Infrared ports allows the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
Pin Signal Name Function
1Not Assigned Not assigned
2Key No pin
3+5V IR Power
4GND Ground
5IR_TX IrDA serial output
6IR_RX IrDA serial input
SATA1/2/3/4: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date
transfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It eliminates
limitations of the current Parallel ATA interface. But maintains register compatibility and
software compatibility with Parallel ATA.
PinSignal Name
PinSignal NameFunction
1Ground2TX+
3TX-4Ground
5RX-6RX+
7Ground--
PinSignal Name
Installing the Motherboard
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