Shuttle FN41U User manual

FN41U
AMD Sempron/Athlon XP/Athlon/Duron
462-pinProcessor
BasedDDRMAINBOARD
User's Manual

M911
Shuttle®FN41U
AMD Sempron/Athlon XP/Athlon/Duron
462-pin Processor
Based DDR Mainboard
Manual Version 1.0
Copyright
Copyright©2004 by Shuttle®Inc. All Rights Reserved.
This publication, including all photos, illustrations, and software, is protected under interna-
tional copyright laws, with all rights reserved. Reproducing any of the material contained
herein is prohibited without the consent of the publisher.
Disclaimer
Shuttle®Inc. shall not be liable for any incidental or consequential damages resulting from the
performance or use of this product.
This company makes no representations or warranties regarding the contents of this manual.
Information in this manual has been carefully checked for reliability; however, no guarantee is
given as to the correctness of the contents. In the interest of continued product improvement,
this company reserves the right to revise the manual or include changes in the specifications
of the product described within it at any time without notice and without obligation to notify any
person of such revision or changes. The information contained in this manual is provided for
general use by the customers.
Trademarks
Shuttle is a registered trademark of Shuttle Inc.
nVIDIAisaregisteredtrademarkofnVIDIACorporation.
AMD,AthlonandDuronareregistered trademarks ofAMDCorporation.
PS/2 is a registered trademark of IBM Corporation.
AWARD is a registered trademark of Award Software Inc.
Microsoft and Windows are registered trademarks of Microsoft Corporation.
General Notice: Other product names used in this manual are ascribed to their respective
owners and acknowledged.

Thermalissue ishighly essentialfor processorswith aspeed of600MHz andabove.
Hence,we recommendyou touse the CPUfan qualifiedbyAMDor motherboard
manufacturer.Meanwhile,please makesureCPUand fan aresecurelyfastened well.
Otherwise,improperfan installationnotonlygets system unstablebutalso could
damageboth CPUandmotherboard becauseinsufficient thermaldissipation.
Ifyou wouldlike to knowmore aboutthermal topicplease see AMD website for
detailedthermalrequirement throughtheaddress:
http://www.amd.com
WARNING

Ifyou’ve changedyour CPUor overclockedyour system,the system mayfail toboot up,
even with a Clear CMOS jumper physically resetted. The reason is that NVIDIA’s new
nForce2 chipset introduces a way to reset a Clear CMOS jumper without removing a
chassis.Please followthesteps listedbelow:
1. Turnoffyour computerandunplugthe powercable.Reconnect it after30seconds;
2. Press<Insert>andthenpressyourcomputer’sstart button. Continueholding <Insert>
untilthesystem beginsthePOST(Power-On Self Test);
3. Immediatelypress<Del> toenterthe BIOS;
4. Select‘Load OptimizedDefaults’to returnyoursystem toabootable condition;then
select ‘SAVE to CMOS and EXIT’;
5. Rebootyoursystem.
Moreover, if your system fails to boot up after you reset the CPU FSB, select “SAVE to
CMOS and EXIT” in the BIOS.After the system restarts, there is on screen a message
warningyounotto reset orturnoffyourcomputer:
Warning! New setting is updating now
Do not Reset or Shutdown the system
Yoursystem worksafterthe BIOSis updated.
NOTICE

Statement of Shuttle Mainboard via the EMI Test
Shuttle mainboards have been via the EMI test in terms of series of regulations: EN55022/
CISPR22/AS/NZS3548ClassB,EN55024 (1998/AS/NZS), EN4252.1 (1994), EN61000,ANSI
C63.4 (1992), CFR47 Part 15 Subpart B, and CNS13438 (1997). The items tested are illus-
trated as follows:
(A)Voltage:AC110V/60HZ &AC230V/50HZ
(B) Tested Product Information:
Product Name: PC Mainboard
Status: Sample
ModelName:FN41U
S/N:N/A
CPU:
External Frequency: 200 MHz
AthlonXP3000+/3200+
External Frequency: 166 MHz
AMDAthlonXP2800+/3000+
External Frequency: 133 MHz
AMDAthlonXP2200+/2400+/2600+
IEEE1394a Port: one port with 6 pins
IEEE1394a Port: one port with 4 pins
LAN Port: one port with 8 pins
USB 2.0 Port: four ports with 4 pins respectively
Mouse Port: one port with 6 pins
Keyboard Port: one port with 6 pins
Microphone Port: one port
Line-In Port: two ports for each
Line-Out Port: four ports
VGA Port: two ports with 15 pins
S-Video Port: one port wiht 7 pins
Coaxial Port: one port
DIMM Memory (Option): Kingston 256 MB *2
Power Cable: Detachable and Shielded (with a GND pin)
Monitor:CRT
MaximumResolution: 1280 X 1024 V:60Hz
All CPUs have completely been tested, and values offered by the worst EMI combination of
CPU external frequency are listed as follows:
Test Mode
1
2
3
External Frequency
133 MHz
166 MHz
200 MHz
CPU
AthlonXP 2600+
AthlonXP 3000+
AthlonXP 3200+

(C) Remedy for the Tested Product & Its EMI Interference:
Remedy:N/A
EMIInterference:
Crystal:32.768KHz(Y2)/25MHz(Y6)/25MHz(Y3)/24.576MHz(Y5)/
24.576MHz(Y7)
ClockGenerator: N/A
(D) Supported Host Peripherals:
(E) Notices for Assembling Computers:
1. Cases should be made of iron or other metal that has good electric conductivity.
2. Cylinders in a case should be made of metal, and as having a mainboard mounted
in a case, make sure screws are all utilized and fastened on a mainboard.
3. An I/O shielding should be contacted with I/O metallic parts of a mainboard.
4. Cables should appropriately be arranged and fixed in a case. Follow instructions:
Ø Leave IDE cables not crossed upon CPU and SDRAM;
Ø Leave power cables minimum in length, and not crossed upon a mainboard;
Ø Leave CPU fan cables minimum in length, and not near CPU;
Ø Leave cables on panels and other spare cables tied in a computer case.
5. Make sure an EMI shielding attached to a case has properly been installed.
6. Make sure a 5.25" or 3.5" FDD and screws are fastened to an EMI shielding.
7. Make sure a case is closely in contact with EMI connected points.
8. Make sure there is no cleft in a case which is not deformed.
9. Make sure a PCI orAGP door is bound to a case.
10. Make sure cables of other devices (fans or some others) are fixed in a case.
Host Peripheral Product Name Model Name S/N FCC ID
#1 Case FN41U N/A
#2 Power Supply PC40N250EV
#3 Western Digitel HDD
(30GB) WD300BB 3902B934
#4 MITSUMI FDD D353M3D 62007003
#5 Panasonic DVD DVD-115 3892A807

- 1 -
TABLE OF CONTENTS
WHAT'S IN THE MANUAL.................................................................... 4
Quick Reference............................................................................................... 4
About This Manual ........................................................................................... 4
1 INTRODUCTION................................................................................ 5
1.1 TO DIFFERENT USERS ............................................................................. 5
FIRST-TIMEDIYSYSTEMBUILDER............................................................ 5
EXPERIENCEDDIYUSER ......................................................................... 5
SYSTEMINTEGRATOR............................................................................... 5
1.2 ITEM CHECKLIST: ...................................................................................... 6
2 FEATURES ........................................................................................ 7
2.1 SPECIFICATIONS ....................................................................................... 7
3 HARDWARE INSTALLATION..........................................................10
3.1 STEP-BY-STEP INSTALLATION (Accessories of FN41U)...................... 10
STEP1 Installthe CPU ...............................................................................11
STEP 2 Set Jumpers ................................................................................. 12
STEP3 InstallDDR SDRAMSystem Memory............................................ 12
STEP4Install InternalPeripheralsin SystemCase .................................... 13
STEP5 Mountthe Mainboardon theComputer Chassis............................ 14
STEP6 ConnectFront-PanelLEDs, Switchesand USBs,Ext.1394/USB/
FrontPanelAudioConnector ..................................................................... 15
STEP 7 Connect IDE and Floppy Disk Drives ............................................ 16
STEP8Connect OtherInternalPeripherals................................................ 17
STEP9 Connectthe PowerSupplies......................................................... 19
STEP10 InstallAdd-on Cardsin ExpansionSlots ...................................... 19
STEP11 ConnectExternal Peripheralsto Back-Panel ............................... 20
STEP12 SystemBoot Up For the First-Time ............................................. 21
STEP13 InstallDrivers& SoftwareComponents ....................................... 22
3.2 JUMPER SETTINGS ................................................................................. 23
JUMPERS& CONNECTORSGUIDE........................................................ 24
Jumpers
Clear CMOS Setting (JP1)........................................................................ 27

- 2 -
Back-Panel Connectors
VGA1/2Port Connectors ........................................................................... 28
TV-outPortConnector ............................................................................... 28
IEEE1394aPort Connector ....................................................................... 28
PS/2Mouse & PS/2Keyboard PortConnectors ........................................ 28
LANPortConnector................................................................................... 28
USB1/2 PortConnectors........................................................................... 28
CoaxialPort Connector.............................................................................. 29
Line-InPortConnector ............................................................................... 29
Center/Bass-OutPortConnector................................................................ 29
Rear-OutPortConnector ........................................................................... 29
Line-OutPortConnector ............................................................................ 29
ClearCMOS button(SW1)......................................................................... 29
Front-Panel Connectors
HDD LED Connector (HLED) .................................................................... 30
GreenLED/Power LEDConnector (GLED/PWRLED) .............................. 30
HardwareResetConnector (RST).............................................................. 31
ATXPowerOn/Off SwitchConnector(PWON) ........................................... 31
ExtendedUSB Headers(USB1/2/JP15) .................................................... 32
Ext.1394/USB/FrontPanelAudioConnector(JP14) ................................... 33
Internal Peripheral Connectors
EnhancedIDE andFloppyConnectors (IDE1/IDE2& FLP1) ...................... 34
SerialATA Connectors (SATA1/SATA2) ..................................................... 34
Other Connectors
ATXPower SupplyConnectors (CN9/JP13)............................................... 35
CPU,Systemand ChipsetFanConnectors (FAN1/2/3) .............................. 36
AudioCD_IN Connector(CN6) .................................................................. 36
IRHeader(JP5)......................................................................................... 37
SPDIFIn/Out Header(JP7) ....................................................................... 37
WirelessKB/MS Header (JP2) .................................................................. 38

- 3 -
ExtendedParallel Port Header(JP12) ....................................................... 38
LINE_INConnector(JP16)......................................................................... 39
AGP Protection LED (D16)........................................................................ 39
CPUOvertemperature LED (D14).............................................................. 39
3.3 System Memory Configuration ................................................................ 40
InstallMemory ............................................................................................ 40
UpgradeMemory....................................................................................... 40
4 SOFTWARE UTILITY ......................................................................41
4.1 Mainboard CD Overview ...................................................................... 41
4.2 Install Mainboard Software .................................................................. 41
4.2A Install DirectX9 Utility............................................................................ 42
4.2B Install nVIDIA Chipset Driver ................................................................ 42
4.2C Install VGA Device Driver ...................................................................... 43
4.2D Install USB 2.0 Driver............................................................................ 43
4.3 View the User's Manual ........................................................................ 44
4.3A View the nVIDIA RAID User's Guide .................................................... 44
5 BIOS SETUP ................................................................................... 45
5.1 ENTER BIOS ............................................................................................. 45
5.2 THE MAIN MENU ...................................................................................... 46
SandardCMOSFeatures .......................................................................... 48
AdvancedBIOSFeatures........................................................................... 50
AdvancedChipset Features....................................................................... 53
IntegratedPeripherals................................................................................ 56
PowerManagementSetup......................................................................... 59
PnP/PCIConfigurations ............................................................................. 62
PCHealth Status ....................................................................................... 63
Frequency/VoltageControl......................................................................... 65
LoadFail-SafeDefaults ............................................................................. 66
LpadOptimized Defaults............................................................................ 66
SetSupervisor/User Password .................................................................. 66
Save & Exit Setup...................................................................................... 67
ExitWithoutSaving.................................................................................... 67

- 4 -
Quick Reference
Hardware Installation >> Step-by-Step.................................................Page 10
Jumper Settings >> A Closer Look.......................................................Page 23
Software Utility >> How to Install..........................................................Page 41
BIOS Setup >> How to Configure.........................................................Page 45
About This Manual
For First-Time DIY System Builder .........................................................Page 5
For Experienced DIY User.......................................................................Page 5
For System Integrator .............................................................................Page 5
WHAT'S IN THE MANUAL

- 5 -
1.1 To Different Users
First-Time DIY System Builder
Welcome to the DIY world! Building your own computer system is not as diffi-
cult as you may think. To make your first computer DIY experience successful,
right from the start, we have designed Chapter 3 Hardware Installation in a
step-by-step fashion for all the first-time DIY system builders. Prior to installa-
tion, we suggest you read the whole manual to gain a complete understanding
of your new FN41U mainboard.
Experienced DIY User
Congratulate on your purchase of the FN41U mainboard. You will find install-
ing your new FN41U mainboard is quite easy. Bundled with an array of onboard
functions, the highly-integrated FN41U mainboard provides you with a total
solution to build the stablest and most reliable system. Referring to section 3.2
Jumper Settings and Chapter 4 Software Utility, you will find how to work
out your new mainboard. Chapter 5 BIOS Setup also contains the relevant
information on how to tune up your system to achieve higher performance.
System Integrator
You have wisely chosen FN41U to construct your system. FN41U incorporates
all the state-of-the-art technology of the nForce2 IGP+nForce2 Raid MCP chipset
from nVIDIA. Each integrates the most advanced functions you've ever found
in a compact Small Form Factor ATX board.
1INTRODUCTION

- 6 -
1.2 Item Checklist:
Check all items with your FN41U mainboard to make sure nothing is missing.
A complete package should include:
-One Shuttle FN41U Mainboard
-One ATA 133/100/66/33 Ribbon Cable
-One Floppy Ribbon Cable
-One Twin-Port USB Cable (optional)
-TV-Out Cable
-SATA Cable
-FN41U User's Manual
nVIDIA RAID User's Guide
-One Bundled CD-ROM, including:
ØFN41U user's manual in PDF format
ØDirectX9 Utility
ØnVIDIA Chipset Driver
ØVGA Device Driver
ØUSB 2.0 Driver
ØWinFlash Utility
ØPC-cillin Utility
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- 7 -
FN41U mainboard is dedicatedly designed for demanding PC users who desire high
performance and maximum intelligent features in a compact package.
2.1 Specifications
-CPU Support
Supports Socket 462 package CPU.
AMD AthlonXP/Athlon/Duron Processor with 100/133/166/200 MHz FSB.
AMD Sempron Processor with 333 MHz FSB.
-Chipset
Features nVIDIA nForce2 IGP N.B. and nForce2 Raid MCP S.B..
Integrated 128 bit TwinBank memory controller, two 64 bit memory control-
lers, 8X AGP 3.0 interface at 533 MHz, HIght speed 800 MB/sec
HyperTransport, integrated TV encoder, support Digital SPDIF Out and
coaxial ports.
Onboard LAN
Realtek 8201BL, supports 10Mb/s and 100Mb/s operation rate and Wake-on-
LAN (WOL) function.
Onboard 1394a
Realtek 8801, supports 400Mb/s, 200Mb/s, 100Mb/s data transfer rate and
compliant with 1394 specification release V1.1 OHCI.
Onboard Audio
Realtek ALC650, nForce2 Raid MCP supports Stereo SPDIF output. It
compliants with AC97 2.2 and 5.1 channel can share with Line-In by soft-
ware select.
-Versatile Memory Support
Supports DDR 200/266/333/400 unberffer non-ECC 184-pin DDR SDRAM
DIMMs only. But, nForce2 IGP chipset only supports up to DDR333 with
onboard VGA. The system memory up to 2GB capacity and Max. 1GB per
DIMM.
-Serial ATA
It compliants with Serial ATA 1.0 specifications, integrated Serial ATA Link.
Provides RAID 0 (Data Striping), RAID 1 (Data Mirroring) functions, RAID
0+1(Data Striping+Data Mirroring) and Spanning (JBOD).
-Expansion Slots
Provides one AGP3.0 8V signaling for 8X and 4X modes and AGP2.0 1.5V
signaling for 4X, 2X and 1X modes.
Multiplexed with DVO/TV encoder interface.
2 FEATURES

- 8 -
-8 USB Interface Onboard
Ø2 USB connectors on back-panel and front-panel, one set of dual USB ports
headers on mainboard and two USB ports headers on mainboard.
-Onboard PWM
HIP6301 with HIP6601 MOSFET drives (Three PHASE), supports over cur-
rent/voltage protections, compliants with VRM9.0 specification. It also sup-
ports CPU core voltage range from 1.10V to 1.85V by auto detect.
-I/O Interface
Provides a variety of I/O interfaces:
Ø1 Floppy interface for 3.5-inch FDD with 720KB, 1.44MB or 2.88MB
format or for 5.25-inch FDD with 360K or 1.2MB format.
Ø2 x DB15 VGA connectors
Ø1 x TV-Out connector
Ø1 x 1394a port
Ø1 x coaxial port
Ø1 x LAN port
Ø2 x USB ports
Ø1 x PS/2 Mouse port
Ø1 x PS/2 Keyboard port
Ø1 x 5.1-Channel Line-In port
Ø1 x 5.1-Channel Center/Bas port
Ø1 x 5.1-Channel Rront-Out port
Ø1 x 5.1-Channel Front-Out port
Ø1 x Clear CMOS button
-PCI Bus Master IDE Controller Onboard
Two ultra DMA 133 bus master dual-channel IDE ports support up to four IDE
devices (one Master and one Slave per channel).
The IDE bus implements data transfer speeds to 133/100/66/33MB/sec and sup-
ports enhanced PIO modes.
80-pin cable backward compatible legacy ATAPI devices, ATAPI IDE CD-ROM,
CD-R, CD-RW and LS-120 supports.
-ATX Power Supply Connector
ATX power supply unit can be connected to the onboard 20-pin ATX power
connector, and 4-pin ATX power connector. The unit supports Suspend and
Soft-On/Off modes by the dual-function power button.

- 9 -
-Advanced Configuration and Power Interface
Features four power-saving modes: S1 (Snoop), S3 (Suspend to RAM), S4
(Suspend to DISK), and S5 (Soft-Off). ACPI provides more efficient energy-
saving features controlled by your operating system that supports OS Direct
Power Management (OSPM) functionality.
-System BIOS
Provides licensed Award BIOS V6.0 PG on the 4Mb Flash ROM and sup-
ports Green PC, Desktop Management Interface (DMI).
-Form Factor
System board conforms to Shuttlel Form Factor specification.
Board dimension: 254mm x 185mm.
-Advanced Features
ØLow EMI - Built in spread spectrum. Unused PCI/SDRAM slots are shut off
by the automatic clock for reducing EMI.
ØDual Function Power Button - The system can be in any of the two
states: one is Suspend mode and the other is Soft-Off mode. Pushing the
power button for less than 4 seconds places the system into Suspend
mode. When the power button is pressed for longer than 4 seconds, the
system will enter Soft-Off mode.
ØModem Ring Power-On - The system can be powered on automatically
by the activation of modem ringing.
ØCPU Multiplier Setting - This item allows users to adjust CPU Multiplier
in BIOS.
ØCPU/DIMM/AGP Voltage Setting - These items allow users to adjust
CPU/DIMM/AGP Voltage in BIOS.
-Intelligent Features
ØVoltage Monitoring - Monitors various voltages of key elements, such as
the CPU, and other critical system voltage levels to ensure a stable current
passing through mainboard components.
ØFan Status Monitoring -To prevent the CPU from overheating, the CPU
fan is monitored by RPM, with which the cooling fan is required.
ØTemperature Monitoring -This item allows users to make sure whether
the CPU or system runs under a suitable temperature.
ØCPU Fan Speed Control -This SMART BIOS enables variable fan
speed and CPU temperature control features.

- 10 -
Before removing/installing any of these devices: CPU, DIMMs, Add-On
Cards and Cables, please unplug the onboard power connector.
This section outlines how to install and configure your mainboard. Referring to the follow-
ing mainboard layout helps you identify various jumpers, connectors, slots and ports.
3.1Step-by-Step Installation (AccessoriesOf FN41U)
3HARDWAREINSTALLATION
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10/100 Mbps LAN &
USB1.1/2.0 Ports
Coaxial/ PortsLine_In
Center Bass-Out/
Rear-Out/Line_Out Ports
Clear CMOS Button -SW1
SPDIF In-Out
LINE_ IN Connector
-JP16
FAN1
USB Header -USB2
One PCI Slot
One AGP Slot
Dual USB Header
-JP15
Clear CMOS -JP1
USB Header -USB1
Front Panel
Connector -JP10
SATA1/SATA2
IDE Connectors- IDE1/IDE2
Ext. 1394/USB/Front Panel
Audio Connector- JP14
Two DIMM Slots
ATX Power Connector
-CN9
nForce2 Raid MCP
Chipset
Socket 462
FAN3
Wireless KB/MS
Connector -JP2
PS2 Mouse &
Keyboard Ports
IEEE 1394 Port
TV-out Port
VGA 1/VGA 2 Ports
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Ext. Print Port
-JP12
IRConnector
-JP5
FloppyConnector
-FLP1
CD_IN Connector -CN6
Connector -JP7
nForce2 IGP Chipset

- 11 -
Step 1
Install the CPU
1. Locate the CPU ZIF (Zero Insertion Force) socket on the upper-right sector
of your mainboard (between the back-panel connectors and the DIMM
memory slots).
2. Pull the CPU ZIF socket lever slightly sideways away from the socket to
unlock the lever, and then bring it to an upwardly vertical position.
3. Place your AMD Sempron/AthlonXP/Athlon/Duron processor in the socket
A. Note that the CPU's edges have been purposely designed non-symmetri-
cally to prevent from inserting the processor in the wrong direction. The
following diagram demonstrates the correct placement of the CPU in the ZIF
socket.
You can see that the two blunt-edged corners should face towards the socket
lever.
4. Slightly push the AMD Sempron/AthlonXP/Athlon/Duron processor into the
socket without applying excessive force while making sure there is no gap
between CPU and socket. Then lower the socket-lever all the way down to
its horizontal position and lock it to secure the CPU in place.
5. The AMD Sempron/AthlonXP/Athlon/Duron processor requires a set of
heatsink/fan to ensure proper cooling of the processor. If heatsink/fan have
not been already mounted on your CPU, you must purchase the heatsink/
fan separately and have it installed. Plug the cable throught the heatsink/fan
in the CPU fan power connector located nearby. Note that there are several
types of CPU fan connectors. Normally, if your mainboard supports the hard
ware monitoring function, a 3-pin fan power connector should allow your
system to detect the CPU fan's speed. The CPU fan can also run with a 2-pin
fan power connector, however, detection of CPU fan's speed is not sup-
ported. Another type of CPU fan may feature a large 4-pin fan power con-
nector, which does not support CPU fan's speed detection and must be di-
rectly connected to the system's power supply unit. Please refer to the fol-
lowing diagram.
S
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ASSEMBLED IN MALAYSIA
Lever
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AMD CPU
Notch

- 12 -
Step 2
Set Jumpers
This mainboard is jumperless! The default jumper settings have been set for the
common usage standard of this mainboard. Therefore, you do not need to reset
the jumpers unless you require special adjustments as any of the following cases:
1. Clear CMOS
For first-time DIY system builders, we recommend that you do not change the
default jumper settings if you are not totally familiar with the mainboard con-
figuration procedures. The factory-set default settings are tuned for optimum
system performance. For the advanced users who wish to customize their sys-
tem, section 3.2 Jumper Settings will provide detailed information on how to
configure your mainboard manually.
Caution: If you did not place the battery apropriately, which may cause
risk of explosion. Please pefer to the related rule for the dis-
pose of used batteries.
Step 3
Install DDR SDRAM System Memory
To install memory, insert DDR SDRAM memory module(s) in DIMM slot(s).
Note that DDR SDRAM modules are directional and will not go in the DIMM
slots unless properly oriented. After the module is fully inserted into the DIMM
slots, lift the clips of both sides of the DIMM slot to lock the module in place.
DDR SDRAM

- 13 -
Step 4
Install Internal Peripherals in System Case
Before you place the mainboard into your system case, we recommend that
you first assemble all the internal peripheral devices into the computer hous-
ing, including, but not limited to, the hard disk drive (IDE/HDD), floppy disk
drive (FDD), CD-ROM drive, and ATX power supply unit.
To install IDE & FDD drives, follow these procedures:
1. Set the required jumpers on each device according to the instructions pro-
vided by the manufacturer. (IDE, HDD, and CD-ROM have to set jumpers
to Master or Slave mode depending on whether you install more than one
device of each kind.)
2. Connect the IDE cable and FDD cable on the back-panel of the internal
peripheral devices to the corresponding headers on board. Note that the
cable should be oriented with its colored stripe (usually red or magenta)
connected to pin#1 of the IDE or FDD connector on the mainboard and
on the device as well.
3. Connect an available power cable from your system power supply unit to
the back-panel of each peripheral device. Note that the power cable is di-
rectional and cannot fit in if not properly positioned.

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Step 5
Mount the Mainboard on the Computer Chassis
1. You may find there are a lot of mounting holes on your computer chassis
and mainboard. To match the holes on both properly, the key point is to
make the back-panel of the mainboard in a close fit with your system case,
as shown below.
2. Position the studs between the chassis and the mainboard. The studs are
used to fix the mainboard and to keep a certain distance between them,
for avoiding any electrical shorts in-between.
(If your computer case is already equipped with mounting studs, you need
to tighten the screws to attach the mainboard.)
Note: In most computer housings, you can find 4 or more holes to place
studs for fixing the mainboard. If there aren't enough matching holes,
screw at least 4 studs to ensure the proper attachment of the main-
board.