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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 transformation/adaptation without the prior written permission from the copyright holders.
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.
© 2008. All Rights Reserved.
Trademarks
Windows® 98, Windows® 98 SE, Windows® ME, Windows® 2000, Windows NT® 4.0 and Windows® XP are registered trademarks of Microsoft Corporation. VIA is a registered trademark of VIA Technologies, Inc. Award is a registered trademark of Award Software, Inc. Other trademarks and registered trademarks of products appearing in this manual are the properties 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 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 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.
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Table of Contents |
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Warranty................................................................................................. |
5 |
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Static |
Electricity Precaution................................................................ |
6 |
Safety |
Measures..................................................................................... |
6 |
About |
the Package............................................................................... |
7 |
Before Using the System Board......................................................... |
7 |
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Chapter 1 - Introduction.................................................................... |
8 |
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Specifications................................................................................................................................... |
8 |
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Features.............................................................................................................................................. |
10 |
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Chapter 2 - Hardware Installation.................................................... |
15 |
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System Board Layout .......................................................................................................... |
15 |
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System Memory.......................................................................................................................... |
16 |
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CPU....................................................................................................................................................... |
22 |
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Northbridge Heat Sink........................................................................................................ |
27 |
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Jumper Settings............................................................................................................................ |
32 |
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Rear Panel I/O Ports............................................................................................................. |
36 |
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Internal I/O Connectors..................................................................................................... |
40 |
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Chapter 3 - BIOS Setup...................................................................... |
50 |
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Award BIOS Setup Utility................................................................................................. |
50 |
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RAID BIOS..................................................................................................................................... |
96 |
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Updating the BIOS.................................................................................................................. |
97 |
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Chapter 4 - Supported Software....................................................... |
99 |
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Chapter 5 - RAID................................................................................. |
112 |
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Chapter 6 - ATI CrossFire Technology............................................. |
117 |
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Appendix A - System Error Message............................................... |
123 |
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Appendix B - Troubleshooting.......................................................... |
125 |
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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.
1 Introduction 
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 discharge can damage computer components without causing any signs of physical damage. You must take extra care in handling them to ensure against electrostatic 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 components, 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 installation 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 manufacturer.
•Dispose of used batteries according to local ordinance.
6
Introduction 1
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 assistance.
;The system board
;A user’s manual
;One Northbridge heat sink cooling kit (LP DK X38-T2R only)
;One IDE cable
;One FDD cable
;Two Serial ATA data cables
;One power cable with 2 Serial ATA power connectors
;One RAID floppy diskette
;One I/O shield
;One “Mainboard Utility” CD
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.
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 normally include at least a keyboard, a mouse and a video display monitor.
7
1 Introduction 
Chapter 1 - Introduction
Specifications
Processor |
• LGA 775 socket for: |
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- Intel® CoreTM2 Quad and Intel® CoreTM2 Duo |
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• Supports Intel Enhanced Memory 64 Technology (EMT64T) |
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• Supports Enhanced Intel SpeedStep Technology (EIST) |
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• Supports |
Intel Hyper-Threading Technology |
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• Supports 1600/1333/1066/800MHz FSB (LP DK X48 series) |
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Supports 1333/1066/800MHz FSB (LP DK X38 series) |
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Chipset |
• Intel® chipset |
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- Northbridge: |
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Intel® X48 Express chipset (LP DK X48 series) |
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Intel® X38 Express chipset (LP DK X38 series) |
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Intel® Fast Memory Access technology |
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- Southbridge: Intel® ICH9R |
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System Memory |
• Four 240-pin DDR2 DIMM sockets |
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• Supports DDR2 667/800 MHz |
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• Delivers |
up to 12.8Gb/s bandwidth |
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• Supports |
dual channel (128-bit wide) memory interface |
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• Supports up to 8GB system memory |
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• Supports unbuffered x8 and x16 DIMMs |
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Expansion Slots |
• 2 PCI Express (Gen 2) x16 slots (PCIE 1 and PCIE 3) |
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- 2-way CrossFire at x16/x16 bandwidth |
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• 1 PCI Express x4 slot (PCIE 2) |
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• 3 PCI slots |
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BIOS |
• Award BIOS |
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• 8Mbit flash memory |
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• CMOS Reloaded |
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Audio |
• Realtek ALC885 High Definition audio CODEC |
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• 8-channel audio output |
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• DAC SNR/ADC SNR of 106dB/101dB |
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• Full-rate |
lossless content protection technology |
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• Optical S/PDIF-out and coaxial RCA S/PDIF-out interfaces |
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LAN |
• Marvell 88E8053 PCIE Gigabit |
LAN controller |
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• Fully compliant to IEEE 802.3 |
(10BASE-T), 802.3u (100BASE- |
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TX) and 802.3ab (1000BASE-T) standards |
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IDE |
• JMicron JMB368 PCI Express to PATA host controller |
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• Supports |
up to 2 UltraDMA 33/66/100Mbps IDE devices |
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Serial ATA with |
• Intel Matrix Storage technology |
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RAID |
•Supports up to 6 SATA devices |
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•SATA speed up to 3Gb/s |
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•RAID 0, RAID 1, RAID 0+1 and RAID 5 |
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8
Introduction 1
Rear Panel I/O |
• 1 mini-DIN-6 PS/2 mouse port |
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• 1 |
mini-DIN-6 PS/2 keyboard port |
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• 1 |
optical S/PDIF-out port |
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• 1 coaxial RCA S/PDIF-out port |
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• 6 |
USB 2.0/1.1 ports |
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• 1 RJ45 LAN port |
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• Center/subwoofer, rear R/L and side R/L jacks |
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• Line-in, line-out (front R/L) and mic-in jacks |
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Internal I/O |
• 3 |
connectors for 6 additional external USB 2.0 ports |
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• 1 connector for an external COM port |
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• 1 |
front audio connector |
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• 1 CD-in connector |
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• 1 IrDA connector |
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• 6 Serial ATA connectors |
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• 1 40-pin IDE connector |
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• 1 |
floppy connector |
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• 1 24-pin ATX power connector |
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• 1 |
8-pin 12V power connector |
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• 2 |
4-pin 5V/12V power connectors (FDD type) |
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• 1 |
front panel connector |
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• 6 |
fan connectors |
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• 1 |
download |
flash BIOS connector |
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• 1 |
diagnostic |
LED |
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• EZ touch switches (power switch and reset switch) |
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Power Management • ACPI and OS Directed Power Management
•ACPI STR (Suspend to RAM) function
•Wake-On-PS/2 Keyboard/Mouse
•Wake-On-USB Keyboard/Mouse
•Wake-On-LAN
•Wake-On-Ring
•RTC timer to power-on the system
•AC power failure recovery
Hardware Monitor |
• Monitors CPU/system/Northbridge temperature and overheat alarm |
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• Monitors Vcore/Vdimm/Vnb/VCC5/12V/V5sb/Vbat |
voltages |
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• Monitors the speed of the cooling fans |
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• CPU Overheat Protection function monitors CPU |
temperature |
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and fan during system boot-up - automatic shutdown upon sys- |
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tem overheat |
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PCB |
• 6 layers, ATX form factor |
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• 24.5cm (9.64") x 30.5cm (12") |
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9
1 Introduction 
Features
The system board supports high performance DDR2 technology whose data transfer rate delivers bandwidth of 12.8 Gb/s and beyond. That is twice the speed of the conventional DDR without increasing its power con-
sumption. DDR2 SDRAM modules work at 1.8V supply compared to 2.6V memory voltage for DDR modules. DDR2 also incorporates new innovations such as the On-Die Termination (ODT) as well as larger 4-bit pre-fetch against DDR which fetches 2 bits per clock cycle.
ATI’s CrossFireTM technology drives your PC to a new peak of performance by combining multiple GPUs in a single system. By connecting a Radeon CrossFire Edition graphics card and a standard PCI Express graphics card,
the power of the dual GPUs (Graphics Processing Units) within the system will accelerate your gaming performance and improve image quality.
PCI Express Gen 2 is a high bandwidth I/O infrastructure that possesses the ability to scale speeds by forming multiple lanes. The x16 PCI Express lane supports transfer rate up to 5Gb/s.
The onboard Realtek ALC885 is a High Definition audio codec and the 6 audio jacks at the rear I/O panel provides 8-channel audio output for advanced 7.1-channel super surround sound audio system. ALC885 also sup-
ports S/PDIF output, allowing digital connections with DVD systems or other audio/video multimedia.
S/PDIF is a standard audio file transfer format that S/PDIF transfers digital audio signals to a device without having to be converted first to an analog format. This prevents the quality of the audio signal from degrading whenever
it is converted to analog. S/PDIF is usually found on digital audio equipment such as a DAT machine or audio processing device. The S/PDIF interface on the system board sends surround sound and 3D audio signal outputs to amplifiers and speakers and to digital recording devices like CD recorders.
10
Introduction 1
Serial ATA is a storage interface that is compliant with SATA 1.0 specification. It supports speed of up to 3Gb/s. Serial ATA improves hard drive performance faster than the standard parallel ATA whose data trans-
fer rate is 100MB/s.
RAID
IDE
Gigabit
LAN
The Intel ICH9R chip allows configuring RAID on Serial ATA devices. It supports RAID 0, RAID 1, RAID 0+1 and RAID 5.
The JMicron JMB368 chip is a PCI Express to PATA host controller that supports up to two UltraDMA 100Mbps IDE devices.
The Marvell 88E8053 PCI Express Gigabit LAN controller supports up to 1Gbps data rate.
CMOS Reloaded is a technology that allows storing multiple user-defined BIOS settings by using the BIOS utility to save, load and name the settings. This is especially useful to overclockers who require saving a variety of
overclocked settings and being able to conveniently switch between these settings simultaneously.
The options in Genie BIOS allows configuring the system to optimize system performance and overclock capability.
The presence of the power switch and reset switch on the system board are user-friendly especially to DIY users.They provide convenience in powering on and/or resetting the system while fine tuning the system board
before it is installed into the system chassis.
11
1 Introduction 
Intel
Hyper-
Threading
Technology
The system board supports Intel processors with HyperThreading Technology. Enabling the functionality of HyperThreading Technology for your computer system requires ALL of the following platforms.
Components:
•CPU - an Intel® Pentium® 4 Processor with HT Technology
•Chipset - an Intel® chipset that supports HT Technology
•BIOS - a BIOS that supports HT Technology and has it enabled
•OS - an operating system that includes optimizations for HT Technology
For more information on Hyper-Threading Technology, go to: www.intel.com/info/hyperthreading.
CPU Overheat Protection has the capability of monitoring the CPU’s temperature during system boot up. Once the CPU’s temperature exceeded the temperature limit pre-de- fined by the CPU, the system will automatically shutdown.
This preventive measure has been added to protect the CPU from damage and insure a safe computing environment.
The system board is equipped with an IrDA connector IrDA for wireless connectivity between your computer and peripheral devices. The IRDA (Infrared Data Association) specification supports data transfers of 115K baud at a
distance of 1 meter.
The system board supports USB 2.0 and USB 1.1 ports. USB 1.1 supports 12Mb/second bandwidth while USB 2.0 supports 480Mb/second bandwidth providing a marked improvement in device transfer speeds between
your computer and a wide range of simultaneously accessible external Plug and Play peripherals.
12
Introduction 1
This feature allows the system that is in the Suspend mode or Soft Power Off mode to wake-up/power-on to respond to calls coming from an external modem or respond to calls from a modem PCI card that uses the
PCI PME (Power Management Event) signal to remotely wake up the PC.
Important:
If you are using a modem add-in card, the 5VSB power source of your power supply must support a minimum of ≥720mA.
This feature allows the network to remotely wake up a Soft Power Down (Soft-Off) PC. It is supported via the onboard LAN port or via a PCI LAN card that uses the PCI PME (Power Management Event) signal. How-
ever, if your system is in the Suspend mode, you can power-on the system only through an IRQ or DMA interrupt.
Important:
The 5VSB power source of your power supply must support ≥720mA.
Wake O n PS/2
This function allows you to use the PS/2 keyboard or PS/2 mouse to power-on the system.
Important:
The 5VSB power source of your power supply must support ≥720mA.
Wake O n USB
This function allows you to use a USB keyboard or USB mouse to wake up a system from the S3 (STR - Suspend To RAM) state.
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB ports, the 5VSB power source of your power supply must support ≥1.5A. For 3 or more USB ports, the 5VSB power
source of your power supply must support ≥2A.
13
1 Introduction 
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The RTC installed on the system board allows your sys- |
RTC |
tem to automatically power-on on the set date and time. |
The system board is designed to meet the ACPI (Ad- STR vanced Configuration and Power Interface) specification.
ACPI has energy saving features that enables PCs to implement Power Management and Plug-and-Play with operating systems that support OS Direct Power Management. ACPI
when enabled in the Power Management Setup will allow you to use the Suspend to RAM function.
With the Suspend to RAM function enabled, you can power-off the system at once by pressing the power button or selecting “Standby” when you shut down the system without having to go through the sometimes tiresome process of closing files, applications and operating system. This is because the system is capable of storing all programs and data files during the entire operating session into RAM (Random Access Memory) when it powers-off.The operating session will resume exactly where you left off the next time you power-on the system.
Important:
The 5VSB power source of your power supply must support ≥1A.
Power
Failure
Recovery
When power returns after an AC power failure, you may choose to either power-on the system manually or let the system power-on automatically.
14
Hardware Installation 2
Chapter 2 - Hardware Installation
System Board Layout
Mouse |
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JP19 |
JP18 |
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12V power |
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JP17 |
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1 |
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KB |
1 |
CPU FSB select |
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CPU fan |
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(JP17-JP19) |
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PS/2 power |
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Optical |
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DRAM Power LED |
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select (JP7) |
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1 |
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S/PDIF-out |
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C217 |
ATX |
Coaxial RCA |
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power |
S/PDIF-out |
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12 24 |
Clear CMOS (JP10)
1 |
USB 6-11 |
1 |
power select (JP5) |
USB 7
USB 6
USB 9
USB 8
775 Socket
1 13
LAN |
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USB 11 |
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USB 10 |
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1 |
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Center/ |
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NB fan |
Intel |
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Subwoofer |
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Side R/L |
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Rear R/L |
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X38/X48 |
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Front R/L |
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Line-in |
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Mic-in |
1 |
Marvell |
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1 |
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88E8053 |
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CD-in |
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JMicron |
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3rd fan |
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JMB368 |
IDE |
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1 |
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1 |
5V/12V |
PCIE 1 |
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DIMM 1 |
DIMM 3 |
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power |
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Realtek |
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DIMM 2 |
DIMM 4 |
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ALC885 |
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1 |
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PCIE 2 |
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Front audio |
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SATA 1 |
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PCI 1 |
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Intel |
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SATA 0 |
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Battery |
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ICH9R |
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1 |
5V/12V |
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SATA 3 |
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power |
PCIE 3 |
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SATA 2 |
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Secondary RTC |
Clear CMOS (JP2) |
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System fan |
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reset (JP12) |
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SATA 5 |
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1st fan |
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PCI 2 |
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8 Download |
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SATA 4 |
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1 |
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7 Flash BIOS |
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ITE IT8718F |
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PCI 3 |
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SPI Flash |
USB 4-5 USB 2-3 |
USB 0-1 |
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BIOS |
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USB 0-5 power |
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select (JP6) |
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COM |
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2nd fan Reset Power |
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FDD |
Front panel |
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IrDA |
Standby Power LED |
1 |
1 |
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1
15
2 Hardware Installation 
.
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.
Warning:
Electrostatic discharge (ESD) can damage your system board, processor, disk drives, add-in boards, 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.
System Memory
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Warning:
When the DRAM Power LED lit red, it indicates that power is present on the DIMM sockets. Power-off the PC then unplug the power cord prior to installing any memory modules. Failure to do so will cause severe damage to the motherboard and components.
DRAM
Power LED
Channel A |
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DIMM 1 |
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DIMM 2 |
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DIMM 3 |
Channel B |
DIMM 4 |
The four DIMM sockets on the system board are divided into 2 channels:
Channel A - DIMM 1 and DIMM 2
Channel B - DIMM 3 and DIMM 4
16
Hardware Installation 2
The system board supports the following memory interface.
Single Channel (SC)
Data will be accessed in chunks of 64 bits (8B) from the memory channels.
Virtual Single Channel (VSC)
If both channels are populated with different memory configurations, the MCH defaults to Virtual Single Channel.
Dual Channel (DC)
Dual channel provides better system performance because it doubles the data transfer rate.
Dynamic Mode Addressing
This mode minimizes the overhead of opening/closing pages in memory banks allowing for row switching to be done less often.
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Single Channel |
DIMMs are on the same channel. |
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DIMMs in a channel can be identical or com- |
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pletely different. |
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Not all slots need to be populated. |
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Virtual Single |
DIMMs of different memory configurations |
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Channel |
are on different channels. |
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Odd number of slots can be populated. |
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Dual Channel |
DIMMs of the same memory configuration |
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are on different channels. |
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Dynamic Mode |
In single channel, requires even number or |
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Addressing |
rows (side of the DIMM) populated.This |
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mode can be enabled with 1 SS, 2 SS or |
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2 DS. |
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In VSC mode, both channels must have |
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identical row structure. |
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BIOS Setting
Configure the system memory in the Genie BIOS Setting submenu of the BIOS. Refer to chapter 3 for more information.
17
2 Hardware Installation 
The table below lists the various optimal operating modes that should be configured for the memory channel operation.
Config |
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DIMM 1 |
DIMM 2 |
DIMM 3 |
DIMM 4 |
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No memory |
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E |
E |
E |
E |
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Single channel A |
P |
E |
E |
E |
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Single channel A |
P |
P |
E |
E |
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Single channel A |
E |
P |
E |
E |
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Single channel B |
E |
E |
P |
E |
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Single channel B |
E |
E |
P |
P |
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Single channel B |
E |
E |
E |
P |
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Virtual |
single |
channel |
E |
P(**) |
E |
P(**) |
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Virtual |
single |
channel |
E |
P |
P |
E |
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Virtual |
single |
channel |
E |
P(**) |
P |
P(**) |
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Virtual |
single |
channel |
P |
E |
E |
P |
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Virtual |
single |
channel |
P(**) |
E |
P(**) |
E |
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Virtual |
single |
channel |
p(**) |
E |
P(**) |
P |
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Virtual |
single |
channel |
P |
P(**) |
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P(**) |
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Virtual |
single |
channel |
P(**) |
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P(**) |
E |
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Virtual |
single |
channel |
P(**) |
P(**) |
P(**) |
P(**) |
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Dual channel |
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P(*)(2,4) |
E |
P(*)(2,4) |
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Dual channel |
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P(*)(1,3) |
E |
P(*)(1,3) |
E |
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P(*)(1,3) |
P(*)(2,4) |
P(*)(1,3) |
P(*)(2,4) |
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Continued on the next page...
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DIMM 1 |
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DIMM 2 |
DIMM 3 |
DIMM 4 |
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P(*)(2,4) |
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Mode Addressing |
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P(*)(1,3) |
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P(*)(1,3) |
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Dynamic |
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Mode Addressing |
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P(*)(1,3) |
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P(*)(2,4) |
P(*)(1,3) |
P(*)(2,4) |
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DS |
DS |
DS |
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Mode Addressing |
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P(*)(2,4) |
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P(*)(2,4) |
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SS |
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Dynamic |
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Mode Addressing |
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P(*)(1,3) |
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Dynamic |
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Mode Addressing |
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P(*)(2,4) |
P(*)(1,3) |
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SS |
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SS |
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P - denotes populated
E - denotes empty
*- denotes DIMMs are identical
**- denotes DIMMs are not identical SS - denotes Single Sided DIMM
DS - denotes Double Sided DIMM
1, 2, 3 or 4 - denotes the DDR DIMM slot
19
2 Hardware Installation 
Installing the Memory Module
Note:
The system board used in the following illustrations may not resemble the actual board. These illustrations are for reference only.
1.Make sure the PC and all other peripheral devices connected to it has been powered down.
2.Disconnect all power cords and cables.
3.Locate the DIMM socket on the system board.
4.Push the “ejector tabs” which are at the ends of the socket to the side.
Ejector
tab Ejector tab
DIMM sockets
5. Note how the module is keyed to the socket.
Notch
Key
20
Hardware Installation 2
6.Grasping the module by its edges, position the module above the socket with the “notch” in the module aligned with the “key” on the socket. The keying mechanism ensures the module can be plugged into the socket in only one way.
7.Seat the module vertically, pressing it down firmly until it is completely seated in the socket.
8.The ejector tabs at the ends of the socket will automatically snap into the locked position to hold the module in place.
21
2 Hardware Installation 
CPU
Overview
The system board is equipped with a surface mount LGA 775 socket. This socket is exclusively designed for installing a LGA 775 packaged Intel CPU.
Important: |
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||
1. |
Before you proceed, make sure (1) the LGA775 socket |
|||
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comes |
with a |
protective cap, (2) |
the cap is not dam- |
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aged |
and (3) |
the socket’s contact |
pins are not bent. If |
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the cap is missing or the cap and/or contact pins are |
|||
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damaged, contact your dealer immediately. |
|||
2. |
Make sure to keep the protective cap. RMA requests |
|||
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will be accepted and processed only if the LGA775 |
|||
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socket comes |
with the protective |
cap. |
|
Installing the CPU
1.Make sure the PC and all other peripheral devices connected to it has been powered down.
2.Disconnect all power cords and cables.
3. Locate the LGA 775 CPU socket on the system board.
Important:
The CPU socket must not come in contact with anything other than the CPU. Avoid unnecessary exposure. Remove the protective cap only when you are about to install the CPU.
22
Hardware Installation 2
4.The CPU socket comes Cover with a cover that is attached with a remov-
able protective cap. The cap is used to protect the CPU socket against dust and harmful particles. Remove the protective cap only when you are about to install the CPU.
5.Lift the protective cap from the location pointed below to detach the cap from the cover.
6.Unlock the socket by pushing the lever down, moving it away from the side tab of the socket, then lifting it up.
Tab
7. Now lift the cover.
Cover
Protective cap
Lever
Lift this part up
Lever lifted
23
2 Hardware Installation 
8.Position the CPU above the socket. The gold mark on the CPU must align with pin 1 of the CPU socket.
Important:
Handle the CPU by its edges and avoid touching the pins.
Pin 1 of the socket
Gold mark
9.Insert the CPU into the socket until it is seated in place. The CPU will fit in only one orientation and can easily be inserted without exerting any force.
Important:
Do not force the CPU into the socket. Forcing the CPU into the socket may bend the pins and damage the CPU.
24
Hardware Installation 2
10.Once the CPU is in place, move the cover down.
11.Push the lever down to lock the socket. The lever should hook onto the side tab to indicate that the CPU is completely secured in the socket.
Cover
Lever
Installing the Fan and Heat Sink
The CPU must be kept cool by using a CPU fan with heat sink. Without sufficient air circulation across the CPU and heat sink, the CPU will overheat damaging both the CPU and system board.
Note:
• Use only certified fan and heat sink.
•The fan and heat sink package usually contains the fan and heat sink assembly, and an installation guide. If the installation procedure in the installation guide differs from the one in this section, please follow the installation guide in the package.
1.Before you install the fan / heat sink, you must apply a thermal paste onto the top of the CPU. The thermal paste is usually supplied when you purchase the CPU or fan heat sink assembly. Do not spread the paste all over the surface. When you later place the heat sink on top of the CPU, the compound will disperse evenly.
Do not apply the paste if the fan / heat sink already has a patch of thermal paste on its underside. Peel the strip that covers the paste before you place the fan / heat sink on top of the CPU.
25
2 Hardware Installation 
2. Place the heat sink on top of the CPU. The 4 studs around the heat sink which are used to secure the heat sink onto the system board must match the 4 mounting holes around the socket.
Position each stud so that the groove faces the heat sink then push it down firmly until it clicks into place.
Groove
Mounting hole
Mounting hole
Fan
Heat sink
Stud
Note:
You will not be able to secure the fan and heat sink assembly in place if the groove is not facing the heat sink.
3.Connect the CPU fan’s cable connector to the CPU fan connector on the system board.
26
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Hardware Installation |
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Northbridge Heat Sink
The Northbridge must be kept cool by using a heat sink. The heat sink will dissipate heat generated by the Northbridge. Without the heat sink, the Northbridge will overheat damaging both the Northbridge and the system board.
LP DK X38-T2R
Note:
The system board used in the following illustrations may not resemble the actual board. These illustrations are for reference only.
Nor thbridge
Before you install the heat sink, you must apply a thermal paste onto the top of the Northbridge. The thermal paste is included in the package Do not spread the paste all over the surface. When you later place the heat sink on top of the Northbridge, the compound will disperse evenly.
Thermal paste
27
2 Hardware Installation 
The 2 mounting holes near the corners of the Northbridge are used to secure the heat sink.
Mounting
hole
Mounting hole
When you place the heat sink on top of the Northbridge, please give special attention to the direction of the heat sink. Also, make sure the 2 push-pins match the mounting holes then push down the push-pins at the same time to secure the heat sink in place.
Push-pin
Side A
Push-pin
Side B
28
Hardware Installation 2
The heat sink package includes 2 brackets for securing the CPU fan. These brackets must be inserted into the corresponding mounting holes on the heat sink.
CPU fan brackets
Mounting hole |
Mounting hole |
Mounting hole |
Mounting hole |
(at the bottom) |
(at the bottom) |
29
2 Hardware Installation 
Holding the bracket similar to the position shown on the previous page, insert the ends of the bracket into the corresponding mounting holes that are on the heat sink.
Bracket
Bracket
Position the CPU fan on the heat sink then secure the fan by moving the brackets toward the center. Connect the CPU fan cable connector to the CPU fan connector on the system board.
30
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