Manuel d'utilisation / d'entretien du produit SABERTOOTH990FXR20 du fabricant Asus
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Motherboard SABERTOOTH 990FX R2.0.
ii E8042 Revised Edition V2 January 2013 Copyright © 2013 ASUST eK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, t.
iii Contents Safety information ..................................................................................................... vii About this guide ................................................................................................
iv 2.3.1 Rear I/O connection .................................................................. 2-13 2.3.2 Audio I/O connections ............................................................... 2-15 2.4 Starting up for the rst time .................
v 4.3 Software information ................................................................................. 4-3 4.3.1 AI Suite II..................................................................................... 4-3 4.3.2 ASUS TUF Thermal Radar ..
vi 6.2.3 Installing the device drivers ......................................................... 6-7 6.2.4 Enabling the NVIDIA ® SLI™ technology ..................................... 6-8 Appendices Notices ..........................................
vii Safety information Electrical safety T o prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected.
viii About this guide This user guide contains the information you need when installing and conguring the motherboard. How this guide is organized This guide contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and the new technology it supports.
ix Conventions used in this guide T o ensure that you perform certain tasks properly , take note of the following symbols used throughout this manual. DANGER/W ARNING: Information to prevent injury to yourself when trying to complete a task.
x SABERTOOTH 990FX R2.0 specications summary (continued on the next page) CPU AMD ® Socket AM3+ for AMD ® FX series CPU up to 8-core compatible with AMD ® Socket AM3 for AMD ® Phenom™ II / At.
xi SABERTOOTH 990FX R2.0 specications summary (continued on the next page) USB 3 x ASMedia ® USB 3.0 controllers - 2 x USB 3.0 ports at mid-board for front panel support - 4 x USB 3.
xii SABERTOOTH 990FX R2.0 specications summary Back Panel I/O ports 1 x PS/2 keyboard/mouse combo port 1 x Optical S/PDIF Output port 2 x eSA T A 6Gb/s ports [red] 1 x USB BIOS Flashback button 1 x LAN (RJ-45) port 4 x USB 3.0/2.0 ports [blue] 8 x USB 2.
xiii Package contents Check your motherboard package for the following items. User Manual ASUS SABERTOOTH 990FX R2.0 motherboard User manual Support DVD 4 x Serial A T A 6.
xiv Installation tools and components 1 bag of screws Philips (cross) screwdriver PC chassis Power supply unit AMD AM3+ CPU AMD AM3+ compatible CPU Fan DDR3 DIMM SA T A hard disk drive SA T A optical disc drive (optional) Graphics card (optional) The tools and components in the table above are not included in the motherboard package.
ASUS SABERT OOTH 990FX R2.0 1-1 Chapter 1 Product introduction 1 1.1 Special features 1.1.1 Product highlights The Ultimate Force The TUF series delivers a tough image with its unique design, and high-quality and military- standard components. The TUF series pursues pre-eminent stability , all-around compatibility , and extreme durability .
1-2 Chapter 1: Product introduction Chapter 1 Complete USB 3.0 Solution This motherboard offers you the strategic USB 3.0 accessibility for both the front and rear panels, allowing you to experience the convenience of the latest plug and play connectivity solution at speed up to ten times faster than USB 2.
ASUS SABERT OOTH 990FX R2.0 1-3 Chapter 1 1.1.4 “Safe & Stable!” Guardian Angel ESD Guards ESD (Electrostatic Discharge) Guards provides protection against electrostatic discharges, which can damage the motherboard’s components.
1-4 Chapter 1: Product introduction Chapter 1 USB BIOS Flashback USB BIOS F lashback offers a hassle-free updating solution for your ultimate convenience.
ASUS SABERT OOTH 990FX R2.0 1-5 Chapter 1 1.2 Motherboard overview 1.2.1 Before you proceed T ake note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component.
1-6 Chapter 1: Product introduction Chapter 1 Refer to 1.2.9 Internal connectors and 2.3.1 Rear I/O connection for more information about rear panel connectors and internal connectors.
ASUS SABERT OOTH 990FX R2.0 1-7 Chapter 1 Layout contents Connectors/Jumpers/Slots Page 1. A TX power connectors (24-pin EA TXPWR, 8-pin EA TX12V) 1-33 2. AM3+ CPU socket 1-8 3. CPU, chassis, and optional fan connectors (4-pin CPU_F AN, 4-pin CPU_OPT , 4-pin CHA_F AN1-4 ) 1-31 4.
1-8 Chapter 1: Product introduction Chapter 1 1.2.3 Central Processing Unit (CPU) The motherboard comes with an AM3+ socket designed for AMD ® FX Series CPU up to 8- core, also compatible with AMD ® socket AM3 for AMD ® Phenom™ II/Athlon™ II/ Sempron™ 100 Series Processors.
ASUS SABERT OOTH 990FX R2.0 1-9 Chapter 1 Recommended memory congurations 1.2.4 System memory The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) slots. A DDR3 module is notched differently from a DDR or DDR2 module.
1-10 Chapter 1: Product introduction Chapter 1 Memory congurations Y ou may install 1GB, 2GB, 4GB, 8GB, and 16GB ECC, non-ECC and unbuffered DDR3 DIMMs into the DIMM sockets. • Memory module with memory frequency higher than 2133 MHz and its corresponding timing or the loaded DRAM OC Prole is not the JEDEC memory standard.
ASUS SABERT OOTH 990FX R2.0 1-1 1 Chapter 1 SABERTOOTH 990FX R2.0 Motherboard Qualied V endors Lists (QVL) DDR3 2400 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 G.SKILL F3-19200CL10Q-32GBZHD(XMP) 32GB (4x8GB) DS - - 10-12- 12-31 1.
1-12 Chapter 1: Product introduction Chapter 1 V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltag e DIMM socket support (Optional) 1 2 4 CORSAIR CMT4GX3M2A2133C9 (XMP) 4GB (2x2GB) DS - - 9-10- 9-24 1.65 • • • CORSAIR CMT4GX3M2B2133C9 (V er7.
ASUS SABERT OOTH 990FX R2.0 1-13 Chapter 1 V endors Part No. Size SS/ DS Chip Brand Chip NO. T iming V oltage DIMM socket support (Optional) 1 2 4 A-DA TA AX3U2000GB2G9B (XMP) 2GB DS - - 9-1 1- 9-27 1.55~1.75 • • A-DA TA AX3U2000GC4G9B (XMP) 4GB DS - - 9-1 1- 9-27 1.
1-14 Chapter 1: Product introduction Chapter 1 DDR3 1866 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing Voltage DIMM socket support (Optional) 1 2 4 A-DA TA AX3U1866GC4G9B (XMP) 4GB DS - - 9-1 1-9-27 1.55~ 1.75 • • CORSAIR CMD16GX3M4A1866 C9 (V er4.
ASUS SABERT OOTH 990FX R2.0 1-15 Chapter 1 DDR3 1600 MHz capability (continued on the next page) V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 .
1-16 Chapter 1: Product introduction Chapter 1 DDR3 1600 MHz capability (continued on the next page) V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 Crucial BL T4G3D1608DT1 TX0.16FM(XMP) 4GB DS - - 8-8-8-24 1.
ASUS SABERT OOTH 990FX R2.0 1-17 Chapter 1 DDR3 1600 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing Voltage DIMM socket support (Optional) 1 2 4 KINGSTON KHX1600C9D3LK2/ 4GX (XMP) 4GB (2x2GB) DS - - - 1.35 • • • Kingston KHX1600C9D3LK2/ 8GX (XMP) 8GB (2x4GB) DS - - 9-9-9-24 1.
1-18 Chapter 1: Product introduction Chapter 1 V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing Voltage DIMM socket support (Optional) 1 2 4 T eam TXD32048M1600HC8- D (XMP) 2GB DS T eam T3D1288R T -16 8-8-8-24 1.65 • • • T eam TXD34096M1600HC9- D (XMP) 4GB DS Hynix H5TC2G83 BFRH9A 9-9-9-24 1.
ASUS SABERT OOTH 990FX R2.0 1-19 Chapter 1 (continued on the next page) V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 GEIL GVP34GB1333C 9DC 4GB (2x2GB) DS - - 9-9-9-24 1.5 • • GEIL GVP38GB1333C 7QC 8GB (4x2GB) DS - - 7-7-7-24 1.
1-20 Chapter 1: Product introduction Chapter 1 DDR3 1333 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 OCZ OCZ3RPR1333C9L V8GK 8GB (2x4GB) DS - - 9-9-9 1.
ASUS SABERT OOTH 990FX R2.0 1-21 Chapter 1 Side(s): SS - Single-sided DS - Double-sided DIMM support: (1) Supports one (1) module inserted into any slot as Single-channel memory conguration.
1-22 Chapter 1: Product introduction Chapter 1 1.2.5 Expansion slots Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. Slot No. Slot Description 1 PCIe 2.
ASUS SABERT OOTH 990FX R2.0 1-23 Chapter 1 • In single VGA card mode, use the PCIe 2.0 x16_1 slot (beige) for a PCI Express x16 graphics card to get better performance. • In CrossFireX™ or SLI™ mode, use the PCIe 3.0 x16_1 and PCIe 3.0 x16_3 slots for PCI Express x16 graphics cards to get better performance.
1-24 Chapter 1: Product introduction Chapter 1 1.2.6 Onboard buttons Onboard buttons allow you to ne-tune performance when working on a bare or open- case system. This is ideal for overclockers and gamers who continually change settings to enhance system performance.
ASUS SABERT OOTH 990FX R2.0 1-25 Chapter 1 2. DirectKey button This feature allows your system to go to the BIOS Setup program with the press of a button. With DirectKey , you can enter the BIOS anytime without having to press the <Del> key during POST .
1-26 Chapter 1: Product introduction Chapter 1 T o erase the RTC RAM: 1. T urn OFF the computer and unplug the power cord. 2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2.
ASUS SABERT OOTH 990FX R2.0 1-27 Chapter 1 1.2.8 Onboard LEDs 1. POST State LEDs The POST State LEDs provide the status of these key components during POST (Power-On-Self T est): CPU, memory modules, VGA card, and hard disk drives. If an error is found, the critical component’s LED stays lit up until the problem is solved.
1-28 Chapter 1: Product introduction Chapter 1 1.2.9 Internal connectors 1. AMD ® Serial A T A 6.0 Gb/s connectors (7-pin SA T A6G_1-6 [brown]) These connectors connect to Serial A T A 6.0 Gb/s hard disk drives via Serial A T A 6.0 Gb/s signal cables.
ASUS SABERT OOTH 990FX R2.0 1-29 Chapter 1 2. ASMedia ® Serial A T A 6.0 Gb/s connectors (7-pin SA T A6G_E1-2 [gray]) These connectors connect to Serial A T A 6.0 Gb/s hard disk drives via Serial A T A 6.0 Gb/s signal cables. 3. USB 3.0 connector (20-1 pin USB3_56) This connector is for the additional USB 3.
1-30 Chapter 1: Product introduction Chapter 1 4. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect the S/PDIF Out module cable to this connector , then install the module to a slot opening at the back of the system chassis.
ASUS SABERT OOTH 990FX R2.0 1-31 Chapter 1 Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! Y ou can connect the front panel USB cable to the ASUS Q-Connector (USB, blue) rst, and then install the Q-Connector (USB) to the USB connector onboard if your chassis supports front panel USB ports.
1-32 Chapter 1: Product introduction Chapter 1 6. Serial port connector (10-1 pin COM1) This connector is for a serial (COM) port. Connect the serial port module cable to this connector , then install the module to a slot opening at the back of the system chassis.
ASUS SABERT OOTH 990FX R2.0 1-33 Chapter 1 7. CPU and chassis fan connectors (4-pin CPU_F AN, 4-pin CPU_OPT , 4-pin CHA_F AN1-4) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector .
1-34 Chapter 1: Product introduction Chapter 1 8. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector .
ASUS SABERT OOTH 990FX R2.0 1-35 Chapter 1 • For a fully congured system, we recommend that you use a power supply unit For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with A TX 12 V Specication 2.
1-36 Chapter 1: Product introduction Chapter 1 • System power LED (2-pin PLED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector . The system power LED lights up when you turn on the system power , and blinks when the system is in sleep mode.
ASUS SABERT OOTH 990FX R2.0 1-37 Chapter 1 1 1. TPM connector (20-1 pin TPM) This connector supports a T rusted Platform Module (TPM) system, which securely store keys, digital certicates, passwords and data. A TPM system also helps enhance network security , protect digital identities, and ensures platform integrity .
1-38 Chapter 1: Product introduction Chapter 1.
ASUS SABERT OOTH 990FX R2.0 2-1 Chapter 2 Basic Installation 2 2.1 Building your PC system 2.1.1 Motherboard installation The diagrams in this section are for reference only . The motherboard layout may vary with models, but the installation steps are the same for all models.
2-2 Chapter 2: Getting started Chapter 2 2. Place the motherboard into the chassis, ensuring that its rear I/O ports are aligned to the chassis’ rear I/O panel.
ASUS SABERT OOTH 990FX R2.0 2-3 Chapter 2 3. Place nine screws into the holes indicated by circles to secure the motherboard to the chassis. DO NOT overtighten the screws! Doing so can damage the motherboard.
2-4 Chapter 2: Getting started Chapter 2 2.1.2 CPU installation The AMD AM3+ socket is compatible with AMD AM3+ and AM3 processors. Ensure you use a CPU designed for the AM3+ socket.
ASUS SABERT OOTH 990FX R2.0 2-5 Chapter 2 2.1.3 CPU heatsink and fan assembly installation Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary .
2-6 Chapter 2: Getting started Chapter 2 2 3 4 5.
ASUS SABERT OOTH 990FX R2.0 2-7 Chapter 2 1 2 3 T o remove a DIMM 2.1.4 DIMM installation B A.
2-8 Chapter 2: Getting started Chapter 2 2.1.5 A TX Power connection 1 2 OR OR.
ASUS SABERT OOTH 990FX R2.0 2-9 Chapter 2 2.1.6 SA T A device connection OR 2 OR 1.
2-10 Chapter 2: Getting started Chapter 2 2.1.7 Front I/O Connector T o install ASUS Q-Connector IDE_LED POWER SW RESET SW IDE_LED- IDE_LED+ PWR Reset Ground Ground 1 2 USB 2.0 AAFP T o install USB 2.0 connector T o install front panel audio connector USB 3.
ASUS SABERT OOTH 990FX R2.0 2-1 1 Chapter 2 2.1.8 Expansion Card installation T o install PCIe x16 cards T o install PCIe x1 cards.
2-12 Chapter 2: Getting started Chapter 2 2.2 BIOS update utility USB BIOS Flashback USB BIOS Flashback allows you to easily update the BIOS without entering the existing BIOS or operating system. Simply insert a USB storage device to the USB port, press the USB BIOS Flashback button for three seconds, and the BIOS is updated automatically .
ASUS SABERT OOTH 990FX R2.0 2-13 Chapter 2 2.3 Motherboard rear and audio connections 2.3.1 Rear I/O connection * and **: Refer to the tables on the next page for LAN port LEDs, and audio port denitions. Rear panel connectors 1. PS/2 Combo port 7. USB 2.
2-14 Chapter 2: Getting started Chapter 2 * LAN ports LED indications ** Audio 2, 4, 6, or 8-channel conguration • DO NOT insert a dif ferent connector to the external SA T A port. • DO NOT connect a keyboard/mouse to any USB 3.0 port when installing Windows® operating system.
ASUS SABERT OOTH 990FX R2.0 2-15 Chapter 2 Connect to Headphone and Mic Connect to Stereo Speakers 2.3.2 Audio I/O connections Audio I/O ports Connect to 2.
2-16 Chapter 2: Getting started Chapter 2 Connect to 4.1 channel Speakers Connect to 5.1 channel Speakers.
ASUS SABERT OOTH 990FX R2.0 2-17 Chapter 2 Connect to 7.1 channel Speakers When the DTS UltraPC II function is enabled, ensure to connect the rear speaker to the gray port. 2.4 Starting up for the rst time 1. After making all the connections, replace the system case cover .
2-18 Chapter 2: Getting started Chapter 2 7. At power on, hold down the <Delete> key to enter the BIOS Setup. Follow the instructions in Chapter 3. 2.5 T urning off the computer While the system is ON, press the power button for less than four seconds to put the system on sleep mode or soft-off mode, depending on the BIOS setting.
ASUS SABERT OOTH 990FX R2.0 3-1 Chapter 3 BIOS setup 3 3.1 Knowing BIOS The new ASUS UEFI BIOS is a Unied Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional keyboard- only BIOS controls to enable a more exible and convenient mouse input.
3-2 Chapter 3: BIOS setup Chapter 3 3.2 BIOS setup program Use the BIOS Setup to update the BIOS or congure its parameters. The BIOS screen include navigation keys and brief onscreen help to guide you in using the BIOS Setup program.
ASUS SABERT OOTH 990FX R2.0 3-3 Chapter 3 3.2.1 EZ Mode By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance mode and boot device priority .
3-4 Chapter 3: BIOS setup Chapter 3 3.2.2 Advanced Mode The Advanced Mode provides advanced options for experienced end-users to congure the BIOS settings. The gure below shows an example of the Advanced Mode. Refer to the following sections for the detailed congurations.
ASUS SABERT OOTH 990FX R2.0 3-5 Chapter 3 Menu items The highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows the Main menu items. The other items (Ai T weaker, Advanced, Monitor , Boot, T ool, and Exit) on the menu bar have their respective menu items.
3-6 Chapter 3: BIOS setup Chapter 3 3.3 Main menu The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings.
ASUS SABERT OOTH 990FX R2.0 3-7 Chapter 3 Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system. Otherwise, you might be able to see or change only selected elds in the BIOS setup program.
3-8 Chapter 3: BIOS setup Chapter 3 T o change a user password: 1. Select the User Password item and press <Enter>. 2. From the Enter Current Password box, key in the current password, then press <Enter>. 3. From the Create New Password box, key in a new password, then press <Enter>.
ASUS SABERT OOTH 990FX R2.0 3-9 Chapter 3 Ai Overclock T uner [Auto] Allows you to select the CPU overclocking options to achieve the desired CPU internal frequency . Select any of these preset overclocking conguration options: [Auto] Loads the optimal settings for the system.
3-10 Chapter 3: BIOS setup Chapter 3 CPU Spread Spectrum [Auto] [Auto] Automatic conguration. [Disabled] Enhances the BCLK overclocking ability . [Enabled] Sets to [Enabled] for EMI control. PCIe Spread Spectrum [Auto] [Auto] Automatic conguration.
ASUS SABERT OOTH 990FX R2.0 3-1 1 Chapter 3 DRAM READ to PRE Time [Auto] Conguration options: [Auto] [4] – [7] DRAM RAS# to RAS# Delay [Auto] Conguration options: [Auto] [4] – [7] DRAM WRITE.
3-12 Chapter 3: BIOS setup Chapter 3 DRAM Driving Control Allows you to set the primary , secondary , and tertiary memory timings. DCT0 Information CKE drive strength [Auto] Conguration options: [Auto] [1x] [1.25x] [1.5x] [2x] CS/ODT drive strength [Auto] Conguration options: [Auto] [1x] [1.
ASUS SABERT OOTH 990FX R2.0 3-13 Chapter 3 DIGI+ Power Control CPU Load-Line Calibration [Auto] Load-line is dened by AMD VRM specication and affects CPU voltage.
3-14 Chapter 3: BIOS setup Chapter 3 Manual Adjustment [Fast] This item appears only when you set the CPU Power Phase Control item to [Manual Adjustment]. Conguration options: [Ultra Fast] [Fast] [Medium] [Regular] CPU V oltage Frequency [Auto] Frequency switching affects the VRM transient response, and the thermal component.
ASUS SABERT OOTH 990FX R2.0 3-15 Chapter 3 CPU Power Thermal Control [130] A higher temperature brings a wider CPU power thermal range and extends the overclocking tolerance to enlarge the O.C. potential. Use the <+> and <-> keys to adjust the value.
3-16 Chapter 3: BIOS setup Chapter 3 CPU/NB Offset Mode Sign [+] [+] T o offset the voltage by a positive value. [–] T o offset the voltage by a negative value. CPU/NB Offset V oltage [Auto] This item appears only when you set the CPU & NB V oltage item to [Offset Mode] and allows you to set the CPU/NB Offset voltage.
ASUS SABERT OOTH 990FX R2.0 3-17 Chapter 3 3.5 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Be cautious when changing the settings of the Advanced menu items. Incorrect eld values can cause the system to malfunction.
3-18 Chapter 3: BIOS setup Chapter 3 3.5.1 CPU Conguration The items in this menu show the CPU-related information that the BIOS automatically detects. The items in this menu may vary based on the CPU installed. Main Ai T weaker Advanced Monitor Boot Tool Exit Enabled/Disabled the generation of ACPI _PPC, _PSS, and _PCT objects.
ASUS SABERT OOTH 990FX R2.0 3-19 Chapter 3 3.5.2 North Bridge Conguration Main Ai T weaker Advanced Monitor Boot Tool Exit Enabled/Disabled IOMMU Back Advanced North Bridge > UEFI BIOS Utility -.
3-20 Chapter 3: BIOS setup Chapter 3 DCT Unganged Mode [Enabled] Allows you to select unganged DRAM mode (64-bit width). [Enabled]: Ganged mode. [Disabled]: Unganged mose. Initiate Graphic Adapter [PEG/PCI] Allows you to set which graphics controller to use as the primary boot device.
ASUS SABERT OOTH 990FX R2.0 3-21 Chapter 3 3.5.4 SA T A Conguration While entering Setup, the BIOS automatically detects the presence of SA T A devices. The SA T A Port items show Not Present if no SA T A device is installed to the corresponding SA T A port.
3-22 Chapter 3: BIOS setup Chapter 3 Y ou can only set SA T A Port5-Port6 to [IDE] if Port1-Port4 is set to [IDE] . S.M.A.R.T . Status Check [Enabled] S.
ASUS SABERT OOTH 990FX R2.0 3-23 Chapter 3 EHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an EHCI hand-off feature. [Disabled] Disables the function. SB USB Conguration OHCI HC (Bus 0 Dev 18 Fn 0) [Enabled] Allows you to enable or disable OHCI USB1.
3-24 Chapter 3: BIOS setup Chapter 3 3.5.7 Onboard Devices Conguration Scroll down to view the other BIOS items. ASM1061 Storage Controller (Rear) [Enabled] Allows you to select the ASM1061 storage controller operating mode. [Disabled] Disables the ASM1061 storage controller .
ASUS SABERT OOTH 990FX R2.0 3-25 Chapter 3 ASmedia USB 3.0 Controller USB3_12/USB3_34/Front [Enabled] [Enabled] Enables the ASmedia ® USB 3.0 controller. [Disabled] Disables the ASmedia ® USB 3.0 controller . ASmedia USB 3.0 Battery Charging Support [Disabled] [Enabled] Enables Asmedia USB 3.
3-26 Chapter 3: BIOS setup Chapter 3 SB HD Azalia Conguration The sub-items in this menu allow you to set the SB HD Azalia conguration. HD Audio Azalia Device [Enabled] [Enabled] Enables the HD Audio Device. [Disabled] Disables the controller. The following two items appear only when you set the HD Azalia Audio Device item to [Enabled].
ASUS SABERT OOTH 990FX R2.0 3-27 Chapter 3 3.5.9 Network Stack Main Ai T weaker Advanced Monitor Boot Tool Exit Enable/Disable the network stack (PXE and UEFI) Back Advanced Network Stack > UEFI BI.
3-28 Chapter 3: BIOS setup Chapter 3 3.6 Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. Scroll down to display the other BIOS items. Main Ai T weaker Advanced Monitor Boot T ool Exit Version 2.
ASUS SABERT OOTH 990FX R2.0 3-29 Chapter 3 CPU Fan Speed Low Limit [600 RPM] This item appears only when you enable the CPU Q-Fan Control feature and allows you to disable or set the CPU fan warning speed.
3-30 Chapter 3: BIOS setup Chapter 3 Chassis Fan 1/4 Profile [Standard] This item appears only when you enable the Chassis Q-Fan Control feature and allows you to set the appropriate performance level of the chassis fan. [Standard] Sets to [Standard] to make the chassis fan automatically adjust depending on the chassis temperature.
ASUS SABERT OOTH 990FX R2.0 3-31 Chapter 3 3.7 Boot menu The Boot menu items allow you to change the system boot options. Bootup NumLock State [On] [On] Sets the power-on state of the NumLock to [On]. [Off] Sets the power-on state of the NumLock to [Of f].
3-32 Chapter 3: BIOS setup Chapter 3 Option ROM Messages [Force BIOS] [Force BIOS] The third-party ROM messages will be forced to display during the boot sequence. [Keep Current] The third-party ROM messages will be displayed only if the third-party manufacturer had set the add-on device to do so.
ASUS SABERT OOTH 990FX R2.0 3-33 Chapter 3 3.8 T ools menu The T ools menu items allow you to congure options for special functions. Select an item then press <Enter> to display the submenu. 3.8.1 ASUS EZ Flash 2 Utility Allows you to run ASUS EZ Flash 2.
3-34 Chapter 3: BIOS setup Chapter 3 Main Ai T weaker Advanced Monitor Boot DIMM Slot number Back T ool ASUS SPD Information > UEFI BIOS Utility - Advanced Mode T ool DIMM Slot # Slot 2 Manufacturer Kingston Module Size 2048 MBytes Maximum Bandwidth 1333 Mhz Part Number 9905403-048.
ASUS SABERT OOTH 990FX R2.0 3-35 Chapter 3 3.8.3 ASUS O.C. Prole This item allows you to store or load multiple BIOS settings. The Setup Prole Status items show Not Installed if no prole is created. Main Ai T weaker Advanced Monitor Boot T ool Exit Save BIOS settings to Prole Back T ool ASUS O.
3-36 Chapter 3: BIOS setup Chapter 3 3.9 Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items.
ASUS SABERT OOTH 990FX R2.0 3-37 Chapter 3 3.10 Updating BIOS The ASUS website publishes the latest BIOS versions to provide enhancements on system stability , compatibility , or performance. However , BIOS updating is potentially risky . If there is no problem using the current version of BIOS, DO NOT manually update the BIOS.
3-38 Chapter 3: BIOS setup Chapter 3 Launching ASUS Update T o launch ASUS Update, click Update > ASUS Update on the AI Suite II main menu bar . Quit all Windows® applications before you update the BIOS using this utility . Updating the BIOS through the Internet T o update the BIOS through the Internet: 1.
ASUS SABERT OOTH 990FX R2.0 3-39 Chapter 3 • The screenshots in this section are for reference only . The actual BIOS information The screenshots in this section are for reference only .
3-40 Chapter 3: BIOS setup Chapter 3 3.10.2 ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to update the BIOS without having to use a bootable oppy disk or an OS-based utility . Before you start using this utility , download the latest BIOS from the ASUS website at www .
ASUS SABERT OOTH 990FX R2.0 3-41 Chapter 3 • This function can support devices such as a USB ash disk with F A T 32/16 format and This function can support devices such as a USB ash disk with F A T 32/16 format and single partition only .
3-42 Chapter 3: BIOS setup Chapter 3 Booting the system in DOS environment 1. Insert the USB ash drive with the latest BIOS le and BIOS Updater to the USB port. 2. Boot your computer . When the ASUS Logo appears, press <F8> to show the BIOS Boot Device Select Menu.
ASUS SABERT OOTH 990FX R2.0 3-43 Chapter 3 2. The BIOS Updater screen appears as below . 3. Press <T ab> to switch between screen elds and use the <Up/Down/Home/End> keys to select the BIOS le and press <Enter>. BIOS Updater checks the selected BIOS le and prompts you to conrm BIOS update.
3-44 Chapter 3: BIOS setup Chapter 3 4. Select Y es and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater . Restart your computer . DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! • For BIOS Updater version 1.
ASUS SABERT OOTH 990FX R2.0 4-1 Chapter 4 Software support 4 If Autorun is NOT enabled in your computer , browse the contents of the support DVD to locate the le ASSETUP .
4-2 Chapter 4: Software support Chapter 4 4.2.2 Obtaining the software manuals The software manuals are included in the support DVD. Follow the instructions below to get the necessary software manuals. The software manual les are in Portable Document Format (PDF).
ASUS SABERT OOTH 990FX R2.0 4-3 Chapter 4 4.3 Software information Most of the applications in the support DVD have wizards that will conveniently guide you through the installation. View the online help or readme le that came with the software application for more information.
4-4 Chapter 4: Software support Chapter 4 4.3.2 ASUS TUF Thermal Radar TUF Thermal Radar monitors the critical components in real-time and automatically adjusts fan speeds for system stability . Its interface provides you with sensors for various components, allowing you to monitor the components individually .
ASUS SABERT OOTH 990FX R2.0 4-5 Chapter 4 Conguring system fan settings TUF Thermal Radar’s preset fan proles automatically adjusts the fan speeds based on the ambient temperature and the system’s load. It also allows you to customize the fan speeds to achieve a quiet and cool environment for the system.
4-6 Chapter 4: Software support Chapter 4 Y ou can also assign the specic component that Thermal Radar will monitor and dynamically adjust the fan speeds in real-time when the temperature reaches a certain degree. T o customize the fan speed with advanced options: 1.
ASUS SABERT OOTH 990FX R2.0 4-7 Chapter 4 4. If you are not sure how to choose the proper components to monitor and the percentage to adjust, click Auto and have Thermal Radar do the recommended settings for you. Click Apply for the setting to take effect.
4-8 Chapter 4: Software support Chapter 4 4.3.3 Remote GO! Connect your computer to a wireless network and use Remote GO! to wirelessly stream media les to DLNA devices. It allows you to remotely control and access your computer using your mobile device, and easily transfer les between your computer and mobile device.
ASUS SABERT OOTH 990FX R2.0 4-9 Chapter 4 Wi-Fi GO! Remote Install the Wi-Fi GO! Remote application on your mobile device to use Remote GO!’s remote control functions. • Wi-Fi GO! Remote supports iOS 4.0/Android 2.3 mobile devices or later versions.
4-10 Chapter 4: Software support Chapter 4 The Wi-Fi GO! Remote’s user interface shown above is for reference only and may vary with the mobile device’s operating system.
ASUS SABERT OOTH 990FX R2.0 4-1 1 Chapter 4 Using the DLNA Media Hub 1. From the main screen, click DLNA Media Hub . 2. Click to select a device as your receiver . DLNA Media Hub DLNA Media Hub allows you to stream your multimedia les to your DLNA-supported device and remotely control playback using your mobile device or your computer .
4-12 Chapter 4: Software support Chapter 4 T o edit the library: 1. T ick Library . 2. Click to add or delete music les. 3. Click Add and locate the le from the directory . T o delete, tick the selected le and click Delete . 4. Click OK . T o edit the music playlist: 1.
ASUS SABERT OOTH 990FX R2.0 4-13 Chapter 4 T o edit the video library: 1. T ick Library . 2. Click to add or delete video les. 3. Click Add and locate the le from the directory . T o delete, tick the selected le and click Delete . 4. Click OK .
4-14 Chapter 4: Software support Chapter 4 T o edit the image playlist: 1. T ick Playlist . 2. Click . 3. T ick to select or deselect the image le and click Save Prole . 4. Select the prole name and click Save . T o add as a new playlist, key in your prole name and click Save .
ASUS SABERT OOTH 990FX R2.0 4-15 Chapter 4 3. The mobile device shows the information of the DLNA Media Hub function. T ap Enter to proceed to the Remote GO! function. 4. T ap Music , Video or Photo, to play . Y our mobile device’s WI-FI GO! Remote interface may vary with the mobile device’s operating system.
4-16 Chapter 4: Software support Chapter 4 Using the Remote Desktop via Wi-Fi GO! Remote When the Remote Desktop is enabled, the mobile device shows the contents of your desktop. The Wi-Fi GO! Remote’s user interface shown above is for reference only and may vary with the mobile device’s operating system.
ASUS SABERT OOTH 990FX R2.0 4-17 Chapter 4 File T ransfer Allows you to transfer les wirelessly between your computer and mobile device. Click to go back to main menu Click to select a destination path for your le transfer Application help • Android mobile devices can send and receive les.
4-18 Chapter 4: Software support Chapter 4 T ap to select the le’s source location T ap to send selected les T ap to select all les T ap to clear all les The Wi-Fi GO! Remote’s user interface shown above is for reference only and may vary with the mobile device’s operating system.
ASUS SABERT OOTH 990FX R2.0 4-19 Chapter 4 4.3.4 T urboV EVO ASUS T urboV EVO includes T urboV that allows you to manually adjust the CPU frequency and related voltages that offers automatic and easy overclocking and system boost performance. T o launch T urboV EVO, click T ool > T urboV EVO on the AI Suite II main menu bar .
4-20 Chapter 4: Software support Chapter 4 Using the Advanced Mode Click the Advanced Mode tab to adjust the advanced voltage settings. Applies all the changes immediately Undoes all the changes Click.
ASUS SABERT OOTH 990FX R2.0 4-21 Chapter 4 CPU Ratio Allows you to manually adjust the CPU ratio. The rst time you use CPU Ratio , go to AI T weaker > CPU Power Management in BIOS and set the T urbo Ratio item to [Maximum T urbo Ratio setting in OS] .
4-22 Chapter 4: Software support Chapter 4 4.3.5 DIGI+ Power Control ASUS DIGI+ Power Control allows you to adjust VRM voltage and frequency modulation to enhance reliability and stability . It also provides the highest power efciency , generating less heat to prolong the component lifespan and minimize power loss.
ASUS SABERT OOTH 990FX R2.0 4-23 Chapter 4 • The actual performance boost may vary depending on your CPU specication. • DO NOT remove the thermal module. The thermal conditions should be monitored. Refer to the software manual in the support DVD or visit the ASUS website at www .
4-24 Chapter 4: Software support Chapter 4 1 DRAM Current Capability A higher value brings a wider total power range and extends the overclocking frequency range simultaneously . 2 DRAM V oltage Frequency Allows you to adjust the DRAM switching frequency for system stability or to increase the overclocking range.
ASUS SABERT OOTH 990FX R2.0 4-25 Chapter 4 4.3.6 Sensor Recorder Sensor Recorder monitors the changes in the system voltage, temperature, and fan speed on a timeline. The History Record function allows you to designate specic time spans on record to keep track of the three system statuses for certain purposes.
4-26 Chapter 4: Software support Chapter 4 Using History Record 1. Click History Record tab and adjust the settings on the left for Record Interval and Record Duration according to need. 2. Click Start Recording to start measuring and recording each sensor .
ASUS SABERT OOTH 990FX R2.0 4-27 Chapter 4 4.3.7 Ai Charger+ This utility allows you to fast-charge your portable BC 1.1* mobile devices on your computer’s USB port three times faster than the standard USB devices**. • * Check your manufacturer if your USB device is a Battery Charging Specication 1.
4-28 Chapter 4: Software support Chapter 4 4.3.8 USB 3.0 Boost ASUS USB 3.0 Boost technology supports UASP (USB Attached SCSI Protocol) and automatically increases a USB 3.0 device’s transfer speed up to 170%. Launching USB 3.0 Boost T o launch USB 3.
ASUS SABERT OOTH 990FX R2.0 4-29 Chapter 4 4.3.9 USB BIOS Flashback Wizard USB BIOS Flashback allows you to easily update the BIOS without entering the BIOS or operating system. Just connect the USB storage device containing the BIOS le to the USB port, press the BIOS Flashback button, and the BIOS is updated automatically .
4-30 Chapter 4: Software support Chapter 4 2. From the Save to dropdown list, select the USB storage device that you want to save the BIOS le to, then click Download .
ASUS SABERT OOTH 990FX R2.0 4-31 Chapter 4 4.3.10 Network iControl ASUS Network iControl is an intuitive one-stop network control center that makes it easier for you to manage your network bandwidth and allows you to set, monitor , and schedule the bandwidth priorities for your network programs.
4-32 Chapter 4: Software support Chapter 4 Select ON to activate Network iControl Displays the current network programs bandwidth Click to apply the settings made Click to select a prole Click to s.
ASUS SABERT OOTH 990FX R2.0 4-33 Chapter 4 3. Click the Options tab, and deselect Prompt for name and password, certicate, etc. Click OK to complete the auto PPPoE connection settings. • Y ou only need to congure the PPPoE connection settings once.
4-34 Chapter 4: Software support Chapter 4 Conguring the Quick Connection T o congure the auto-PPPoE connection: 1. Click the Quick Connection tab. 2. T ick Automatically connect online anytime option, then select the connection name in the Connection Name dropdown box.
ASUS SABERT OOTH 990FX R2.0 4-35 Chapter 4 Using EZ Prole T o use the EZ Prole: EZ Prole allows you to load, edit, and save your own network program priority prole. 1. Click EZ Prole tab. The programs are shown in the network program column.
4-36 Chapter 4: Software support Chapter 4 4.3.1 1 ASUS Update ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows® environment. Launching ASUS Update T o launch ASUS Update, click Update> ASUS Update on the AI Suite II main menu bar .
ASUS SABERT OOTH 990FX R2.0 4-37 Chapter 4 4.3.12 MyLogo2 MyLogo2 allows you to customize the boot logo, which is the image that appears on the screen during the Power On Self T ests (POST). Launching ASUS Update T o launch MyLogo2, click Update > MyLogo on the AI Suite II main menu bar.
4-38 Chapter 4: Software support Chapter 4 5. Click Flash to update the boot logo. 6. When prompted, click Y es to reboot the system. Y ou will see the new boot logo the next time you start up the system. Ensure to enable the Full Screen Logo in BIOS to use this feature.
ASUS SABERT OOTH 990FX R2.0 4-39 Chapter 4 B. Realtek HD Audio Manager for Windows ® XP • Refer to the software manual in the support DVD or visit the ASUS website at www. asus.com for detailed software conguration. • T o play Blu-Ray disc, make sure to use an HDCP compliant monitor .
4-40 Chapter 4: Software support Chapter 4.
ASUS SABERT OOTH 990FX R2.0 5-1 Chapter 5 RAID support 5 5.1 RAID congurations The motherboard comes with the AMD® SB950 chipset that allows you to congure Serial A T A hard disk drives as RAID sets. The motherboard supports the following RAID congurations: RAID 0, RAID 1, RAID 10 and RAID 5.
5-2 Chapter 5: RAID congurations Chapter 5 5.1.2 Installing Serial A T A hard disks The motherboard supports Serial A T A hard disk drives. For optimal performance, install identical drives of the same model and capacity when creating a disk array .
ASUS SABERT OOTH 990FX R2.0 5-3 Chapter 5 5.1.4 AMD ® Option ROM Utility T o enter the AMD ® Option ROM utility: 1. T urn on the system. 2. During POST , press <Ctrl> + <F> to display the utility main menu. The Main Menu allows you to select an operation to perform.
5-4 Chapter 5: RAID congurations Chapter 5 Creating a RAID volume T o create a RAID volume: 1. In the Main Menu, press <2> to enter the LD View / LD Dene Menu function. 2. Press <Ctrl> + <C>, and the following screen appears. 3.
ASUS SABERT OOTH 990FX R2.0 5-5 Chapter 5 Deleting a RAID conguration T ake caution when deleting a RAID volume. Y ou will lose all data on the hard disk drives when you delete a RAID volume. T o delete a RAID volume: 1. In the Main Menu, press <3> to enter the Delete LD function.
5-6 Chapter 5: RAID congurations Chapter 5 Displaying a RAID set information T o display a RAID set information: 1. In the Main Menu, press <2> to enter the LD View / LD Dene Menu function. 2. Select a RAID item and press <Enter> to display its information.
ASUS SABERT OOTH 990FX R2.0 5-7 Chapter 5 5.2 Creating a RAID driver disk A oppy disk with the RAID driver is required when installing a Windows ® operating system on a hard disk drive that is included in a RAID set. • The motherboard does not provide a oppy drive connector .
5-8 Chapter 5: RAID congurations Chapter 5 5.2.3 Installing the RAID driver during Windows ® OS installation T o install the RAID driver in Windows ® XP: 1. During the OS installation, the system prompts you to press the <F6> key to install third-party SCSI or RAID driver .
ASUS SABERT OOTH 990FX R2.0 5-9 Chapter 5 5.2.4 Using a USB oppy disk drive Due to OS limitation, Windows ® XP may not recognize the USB oppy disk drive when you install the RAID driver from a oppy disk during the OS installation.
5-10 Chapter 5: RAID congurations Chapter 5 8. Find the [HardwareIds.scsi.iaAHCI_DesktopW orkstationServer] and [HardwareIds.scsi.iaStor_DesktopWorkstationServer] sections in the txtsetup.
ASUS SABERT OOTH 990FX R2.0 6-1 Chapter 6 Multiple GPU support 6 6.1 AMD ® CrossFireX™ technology The motherboard supports the AMD ® CrossFireX™ technology that allows you to install multi-graphics processing units (GPU) graphics cards. Follow the installation procedures in this section.
6-2 Chapter 6: Multiple GPU support Chapter 6 6.1.3 Installing two CrossFireX™ graphics cards The following pictures are for reference only . The graphics cards and the motherboard layout may vary with models, but the installation steps remain the same.
ASUS SABERT OOTH 990FX R2.0 6-3 Chapter 6 5. Connect two independent auxiliary power sources from the power supply to the two graphics cards separately .
6-4 Chapter 6: Multiple GPU support Chapter 6 6.1.4 Installing the device drivers Refer to the documentation that came with your graphics card package to install the device drivers. Ensure that your PCI Express graphics card driver supports the AMD® CrossFireX™ technology .
ASUS SABERT OOTH 990FX R2.0 6-5 Chapter 6 1 Enabling Dual CrossFireX technology 1. In the Catalyst Control Center window , click Performance > AMD CrossFireX TM . 2. Select Enable CrossFireX TM . 3. Select a GPU combination from the drop-down list.
6-6 Chapter 6: Multiple GPU support Chapter 6 6.2 NVIDIA ® SLI™ technology The motherboard supports the NVIDIA ® SLI™ (Scalable Link Interface) technology that allows you to install multi-graphics processing units (GPU) graphics cards. Follow the installation procedures in this section.
ASUS SABERT OOTH 990FX R2.0 6-7 Chapter 6 4. Align and rmly insert the SLI bridge connector to the goldngers on each graphics card. Ensure that the connector is rmly in place. 5. Connect two independent auxiliary power sources from the power supply to the two graphics cards separately .
6-8 Chapter 6: Multiple GPU support Chapter 6 B1. If you cannot see the NVIDIA Control Panel item in step (A), select Screen Resolution . B2. From the Screen Resolution window, click Advanced settings .
ASUS SABERT OOTH 990FX R2.0 6-9 Chapter 6 B3. The NVIDIA Control Panel window appears. Enabling SLI settings From the NVIDIA Control Panel window , select Congure SLI , Surround , PhysX . In the Quad-SLI enabled , click Maximize 3D Performance SLI to set the display for viewing SLI rendered content.
6-10 Chapter 6: Multiple GPU support Chapter 6.
ASUS SABERT OOTH 990FX R2.0 A-1 Appendices Appendices Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: This device may not cause harmful interference.
A-2 Appendices Appendices IC: Canadian Compliance Statement Complies with the Canadian ICES-003 Class B specications. This device complies with RSS 210 of Industry Canada. This Class B device meets all the requirements of the Canadian interference-causing equipment regulations.
ASUS SABERT OOTH 990FX R2.0 A-3 Appendices REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr .
A-4 Appendices Appendices ASUS contact information ASUST eK COMPUTER INC. Address 15 Li-T e Road, Peitou, T aipei, T aiwan 1 1259 T elephone +886-2-2894-3447 Fax +886-2-2890-7798 E-mail info@asus.com.tw Web site www .asus.com.tw T echnical Support T elephone +86-21-3842991 1 Online support support.
ASUS SABERT OOTH 990FX R2.0 A-5 Appendices DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont , CA 94539. Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : Motherboard Model Number : SABERTOOTH 990FX R2.
A-6 Appendices Appendices.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Asus SABERTOOTH990FXR20 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Asus SABERTOOTH990FXR20 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Asus SABERTOOTH990FXR20, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Asus SABERTOOTH990FXR20 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Asus SABERTOOTH990FXR20, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Asus SABERTOOTH990FXR20.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Asus SABERTOOTH990FXR20. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Asus SABERTOOTH990FXR20 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
