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...distributed WITHOUT ANY WARRANTY and licensed under the same license as source code archives, etc. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. The source code will not be ...stated in this email address). Copies of the product is authorized in it from http://support.asus.com/download or (2) for backup purposes, without intent to : ASUSTeK Computer Inc. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT ...
...distributed WITHOUT ANY WARRANTY and licensed under the same license as source code archives, etc. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. The source code will not be ...stated in this email address). Copies of the product is authorized in it from http://support.asus.com/download or (2) for backup purposes, without intent to : ASUSTeK Computer Inc. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT ...
SABERTOOTH 990FX R2.0 User's Manual
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... 3-26 3.5.9 Network Stack 3-27 3.6 Monitor menu 3-28 3.7 Boot menu 3-31 3.8 Tools menu 3-33 3.8.1 ASUS EZ Flash 2 Utility 3-33 3.8.2 ASUS SPD Information 3-34 3.8.3 ASUS O.C. Profile 3-35 3.9 Exit menu 3-36 3.10 Updating BIOS 3-37 3.10.1 ASUS Update 3-37 3.10.2 ASUS EZ Flash 2 3-40 3.10.3 ASUS BIOS Updater 3-41 Chapter 4: Software support 4-1 4.1 Installing an operating system 4-1 4.2 Support DVD information...
... 3-26 3.5.9 Network Stack 3-27 3.6 Monitor menu 3-28 3.7 Boot menu 3-31 3.8 Tools menu 3-33 3.8.1 ASUS EZ Flash 2 Utility 3-33 3.8.2 ASUS SPD Information 3-34 3.8.3 ASUS O.C. Profile 3-35 3.9 Exit menu 3-36 3.10 Updating BIOS 3-37 3.10.1 ASUS Update 3-37 3.10.2 ASUS EZ Flash 2 3-40 3.10.3 ASUS BIOS Updater 3-41 Chapter 4: Software support 4-1 4.1 Installing an operating system 4-1 4.2 Support DVD information...
SABERTOOTH 990FX R2.0 User's Manual
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... power company. • If the power supply is set to fix it may become wet. • Place the product on it, carefully read all the manuals that all power cables are unplugged. • Seek professional assistance before using the product, ensure all power cables from the existing system before you add...
... power company. • If the power supply is set to fix it may become wet. • Place the product on it, carefully read all the manuals that all power cables are unplugged. • Seek professional assistance before using the product, ensure all power cables from the existing system before you add...
SABERTOOTH 990FX R2.0 User's Manual
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...-than sign means that you must press the enclosed key. + + Example: means that you MUST follow to emphasize a word or a phrase. Keys enclosed in this manual. ix
...-than sign means that you must press the enclosed key. + + Example: means that you MUST follow to emphasize a word or a phrase. Keys enclosed in this manual. ix
SABERTOOTH 990FX R2.0 User's Manual
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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 ATA 6.0 Gb/s cables 1 x ASUS SLI™ bridge connector 1 x TUF Certification card Five-year warranty 1 x ASUS Q-Shield 1 x 2-in-1 ASUS Q-Connector kit 1 x TUF Five-year warranty manual • If any of the above items is damaged or missing, contact your retailer. • The illustrated items above are for reference only. Actual product specifications may vary with different models.
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 ATA 6.0 Gb/s cables 1 x ASUS SLI™ bridge connector 1 x TUF Certification card Five-year warranty 1 x ASUS Q-Shield 1 x 2-in-1 ASUS Q-Connector kit 1 x TUF Five-year warranty manual • If any of the above items is damaged or missing, contact your retailer. • The illustrated items above are for reference only. Actual product specifications may vary with different models.
SABERTOOTH 990FX R2.0 User's Manual
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...'s capabilities and other installed devices. • You may operate at http://support.microsoft. Any excess memory from the higher-sized channel is then mapped for manual memory frequency adjustment. • For system stability, use of memory, we recommend that you are using a 32-bit Windows OS. Under the default state, some...
...'s capabilities and other installed devices. • You may operate at http://support.microsoft. Any excess memory from the higher-sized channel is then mapped for manual memory frequency adjustment. • For system stability, use of memory, we recommend that you are using a 32-bit Windows OS. Under the default state, some...
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...for the exact location of failsafe settings. button Installing DIMMs that you download and update to the latest BIOS version from the ASUS website at www.asus.com. • If you to memory tuning requirement, the system automatically reboots when each timing set of the DRAM_LED increases...default settings. • We recommend that are not compatible with ones recommended in the Memory QVL (Qualified Vendors Lists) in this user manual or on the computer. The blinking speed of failsafe settings. 1.2.6 Onboard buttons Onboard buttons allow you turn off the computer and unplug ...
...for the exact location of failsafe settings. button Installing DIMMs that you download and update to the latest BIOS version from the ASUS website at www.asus.com. • If you to memory tuning requirement, the system automatically reboots when each timing set of the DRAM_LED increases...default settings. • We recommend that are not compatible with ones recommended in the Memory QVL (Qualified Vendors Lists) in this user manual or on the computer. The blinking speed of failsafe settings. 1.2.6 Onboard buttons Onboard buttons allow you turn off the computer and unplug ...
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... later versions. 1-28 Chapter 1: Product introduction Refer to section 3.5.4 SATA Configuration for details. • Before creating a RAID set, refer to section 5.1 RAID configurations or the manual bundled in the BIOS to [RAID Mode]. Refer to section 3.5.4 SATA Configuration for details. • You must install Windows® XP Service Pack 3 or later...
... later versions. 1-28 Chapter 1: Product introduction Refer to section 3.5.4 SATA Configuration for details. • Before creating a RAID set, refer to section 5.1 RAID configurations or the manual bundled in the BIOS to [RAID Mode]. Refer to section 3.5.4 SATA Configuration for details. • You must install Windows® XP Service Pack 3 or later...
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...circumstances: • An error message appears on the screen during the system bootup and requests you change the default BIOS settings except in this user manual refers to run the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. DO NOT change... power management, and boot device configuration that goes beyond the traditional keyboardonly BIOS controls to enable a more flexible and convenient mouse input. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-1 We strongly recommend that you to "UEFI BIOS" unless otherwise specified.
...circumstances: • An error message appears on the screen during the system bootup and requests you change the default BIOS settings except in this user manual refers to run the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. DO NOT change... power management, and boot device configuration that goes beyond the traditional keyboardonly BIOS controls to enable a more flexible and convenient mouse input. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-1 We strongly recommend that you to "UEFI BIOS" unless otherwise specified.
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...] Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-9 PCIE Frequency [Auto] Allows you to set the Ai Overclocking Tuner to achieve the desired CPU internal frequency. If this happens, revert to your CPU model. Use and keys to adjust the PCIE frequency. Ai Overclock Tuner [Auto] Allows you to manually adjust the maximum... key in the desired value using the numeric keypad. CPU Ratio [Auto] Allows you to select the CPU overclocking options to [Manual]. CPU/NB Frequency [Auto] Allows you set the HyperTransport link speed. The following item appears only when you to become unstable!...
...] Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-9 PCIE Frequency [Auto] Allows you to set the Ai Overclocking Tuner to achieve the desired CPU internal frequency. If this happens, revert to your CPU model. Use and keys to adjust the PCIE frequency. Ai Overclock Tuner [Auto] Allows you to manually adjust the maximum... key in the desired value using the numeric keypad. CPU Ratio [Auto] Allows you to select the CPU overclocking options to [Manual]. CPU/NB Frequency [Auto] Allows you set the HyperTransport link speed. The following item appears only when you to become unstable!...
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...DO NOT remove the thermal module when switching to CPU loading. The CPU working voltage will decrease proportionally to Extreme and Manual Mode. This item allows you to increase phase number under light system loading to boost the system performance: 0% (... frequency range simultaneously. A higher value brings a wider total power range and extends the overclocking frequency range simultaneously. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-13 Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal conditions. Configuration options...
...DO NOT remove the thermal module when switching to CPU loading. The CPU working voltage will decrease proportionally to Extreme and Manual Mode. This item allows you to increase phase number under light system loading to boost the system performance: 0% (... frequency range simultaneously. A higher value brings a wider total power range and extends the overclocking frequency range simultaneously. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-13 Higher value gets a higher voltage and better overclocking performance, but increases the CPU and VRM thermal conditions. Configuration options...
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... provides a faster and precise power response rate for the CPU and North Bridge. Manual Adjustment [Fast] This item appears only when you to enable the spread spectrum to [Manual Adjustment]. Higher frequency gets quicker transient response. Probe] Select to maintain the VRM ... Configuration options: [Auto] [Regular] [Medium] [Fast] [Ultra Fast] Chapter 3 3-14 Chapter 3: BIOS setup Configuration options: [Auto] [Manual] DO NOT remove the thermal module when switching to maintain the current VRM balance. CPU Power Duty Control [T.Probe] DIGI + VRM Duty Control adjusts...
... provides a faster and precise power response rate for the CPU and North Bridge. Manual Adjustment [Fast] This item appears only when you to enable the spread spectrum to [Manual Adjustment]. Higher frequency gets quicker transient response. Probe] Select to maintain the VRM ... Configuration options: [Auto] [Regular] [Medium] [Fast] [Ultra Fast] Chapter 3 3-14 Chapter 3: BIOS setup Configuration options: [Auto] [Manual] DO NOT remove the thermal module when switching to maintain the current VRM balance. CPU Power Duty Control [T.Probe] DIGI + VRM Duty Control adjusts...
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... should be monitored. The values range depends on your CPU. Refer to enlarge the O.C. Use the and keys to 0.700000V with a 0.006250V interval. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-15 range, or a low DRAM frequency for a better system stability. CPU Manual Voltage [Auto] This item appears only when you set the CPU & NB Voltage item to...
... should be monitored. The values range depends on your CPU. Refer to enlarge the O.C. Use the and keys to 0.700000V with a 0.006250V interval. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-15 range, or a low DRAM frequency for a better system stability. CPU Manual Voltage [Auto] This item appears only when you set the CPU & NB Voltage item to...
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...5) [Enabled] Allows you to enable or disable OHCI USB1.1 controller (Bus 0 Dev 22 Fn 0). Configuration options: [Enabled] [Disabled] Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-23 SB USB Configuration OHCI HC (Bus 0 Dev 18 Fn 0) [Enabled] Allows you to enable or disable OHCI USB1.1 controller (Bus 0... to enable or disable the USB ports. Configuration options: [Disabled] [Enabled] USB PORT 0-14 [Enabled] Allows you to automatically or manually activate the CPU cores. Configuration options: [Enabled] [Disabled] 3.5.6 CPU Core On/Off Function UEFI BIOS Utility - EHCI Hand-off [...
...5) [Enabled] Allows you to enable or disable OHCI USB1.1 controller (Bus 0 Dev 22 Fn 0). Configuration options: [Enabled] [Disabled] Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-23 SB USB Configuration OHCI HC (Bus 0 Dev 18 Fn 0) [Enabled] Allows you to enable or disable OHCI USB1.1 controller (Bus 0... to enable or disable the USB ports. Configuration options: [Disabled] [Enabled] USB PORT 0-14 [Enabled] Allows you to automatically or manually activate the CPU cores. Configuration options: [Enabled] [Disabled] 3.5.6 CPU Core On/Off Function UEFI BIOS Utility - EHCI Hand-off [...
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... the lower limit of the CPU temperature. Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM] Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-29 Duty Cycle(%) [60] Use the and keys to adjust the minimum CPU fan duty cycle. Chassis Q-Fan Control 1-3 [Disabled] [Disabled] Disables the...Silent] to minimize the fan speed for quiet CPU fan operation. [Turbo] Sets to [Turbo] to achieve maximum CPU fan speed. [Manual] Sets to [Manual] to adjust the upper limit of the CPU temperature. CPU Fan Min. CPU Upper Temperature [70] Use the and keys to assign...
... the lower limit of the CPU temperature. Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM] Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-29 Duty Cycle(%) [60] Use the and keys to adjust the minimum CPU fan duty cycle. Chassis Q-Fan Control 1-3 [Disabled] [Disabled] Disables the...Silent] to minimize the fan speed for quiet CPU fan operation. [Turbo] Sets to [Turbo] to achieve maximum CPU fan speed. [Manual] Sets to [Manual] to adjust the upper limit of the CPU temperature. CPU Fan Min. CPU Upper Temperature [70] Use the and keys to assign...
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.... [Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation. [Turbo] Sets to [Turbo] to achieve maximum chassis fan speed. [Manual] Sets to [Manual] to assign detailed fan speed control parameters. The following four items appear only when you to set Chassis Fan Profile to adjust the maximum...
.... [Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation. [Turbo] Sets to [Turbo] to achieve maximum chassis fan speed. [Manual] Sets to [Manual] to assign detailed fan speed control parameters. The following four items appear only when you to set Chassis Fan Profile to adjust the maximum...
SABERTOOTH 990FX R2.0 User's Manual
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... allow you need to update your BIOS if necessary. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-37 Inappropriate BIOS updating may result in the future. Carefully follow the instructions of BIOS, DO NOT manually update the BIOS. If there is available in Windows® environment. • ASUS Update requires an Internet connection either through a network or an Internet...
... allow you need to update your BIOS if necessary. Chapter 3 ASUS SABERTOOTH 990FX R2.0 3-37 Inappropriate BIOS updating may result in the future. Carefully follow the instructions of BIOS, DO NOT manually update the BIOS. If there is available in Windows® environment. • ASUS Update requires an Internet connection either through a network or an Internet...
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... click Next. 2. Click Yes if you want to complete the update process. • The screenshots in the support DVD or visit the ASUS website at www.asus.com for reference only. ASUS SABERTOOTH 990FX R2.0 3-39 Updating the BIOS through a BIOS file To update the BIOS through a BIOS file: 1. Follow the onscreen instructions to change the...; Refer to continue. 4. Chapter 3 3. Locate the BIOS file and click Next. You can decide whether to change the boot logo or No to the software manual in this section are for detailed software configuration.
... click Next. 2. Click Yes if you want to complete the update process. • The screenshots in the support DVD or visit the ASUS website at www.asus.com for reference only. ASUS SABERTOOTH 990FX R2.0 3-39 Updating the BIOS through a BIOS file To update the BIOS through a BIOS file: 1. Follow the onscreen instructions to change the...; Refer to continue. 4. Chapter 3 3. Locate the BIOS file and click Next. You can decide whether to change the boot logo or No to the software manual in this section are for detailed software configuration.
SABERTOOTH 990FX R2.0 User's Manual
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... if you have disconnected them. Select the Load Optimized Defaults item under the Exit BIOS menu. 4. See Chaper 3 of your computer. Restart your motherboard user manual for details. • Ensure to connect all SATA hard disk drives after updating BIOS. • Ensure to load the BIOS default settings to exit BIOS...
... if you have disconnected them. Select the Load Optimized Defaults item under the Exit BIOS menu. 4. See Chaper 3 of your computer. Restart your motherboard user manual for details. • Ensure to connect all SATA hard disk drives after updating BIOS. • Ensure to load the BIOS default settings to exit BIOS...
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The DVD automatically displays the Drivers menu if Autorun is NOT enabled in your computer, browse the contents of the user manual. Click an item to display the ASUS contact information. ASUS SABERTOOTH 990FX R2.0 4-1 Click the Contact tab to open the folder of the support DVD to install Chapter 4 If Autorun is enabled in this chapter...
The DVD automatically displays the Drivers menu if Autorun is NOT enabled in your computer, browse the contents of the user manual. Click an item to display the ASUS contact information. ASUS SABERTOOTH 990FX R2.0 4-1 Click the Contact tab to open the folder of the support DVD to install Chapter 4 If Autorun is enabled in this chapter...