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Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
How this guide is organized ..........viii Where to find more information ..........viii Conventions used in this guide ..........ix Typography ..................ix K8N4-E specifications summary ............x Chapter 1: Product introduction Chapter 1: Product introduction Chapter 1: Product introduction...
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2.1.2 Updating the BIOS ..........2-3 2.1.3 Saving the current BIOS file ........2-5 2.1.4 ASUS CrashFree BIOS 2 utility ........ 2-6 2.1.5 ASUS EZ Flash utility ..........2-8 2.1.6 ASUS Update utility ..........2-9 BIOS setup program ............2-12 2.2.1...
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Chapter 3: Software support Installing an operating system ..........3-2 Support CD information ............3-2 3.2.1 Running the support CD ......... 3-2 3.2.2 Drivers menu ............3-3 3.2.3 Utilities menu ............3-4 3.2.4 ASUS Contact information ........3-6 v v v v v...
Notices Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement 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, and •...
Safety information Electrical safety Electrical safety Electrical safety Electrical safety Electrical safety • To 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.
A S U S w e b s i t e s A S U S w e b s i t e s The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.
Conventions used in this guide Conventions used in this guide Conventions used in this guide Conventions used in this guide Conventions used in this guide To make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual. D A N G E R / W A R N I N G : D A N G E R / W A R N I N G : D A N G E R / W A R N I N G :...
K8N4-E specifications summary C P U C P U C P U C P U C P U Socket 754 for AMD Athlon™ 64/AMD Sempron™ processors AMD64 architecture enables simultaneous 32- and 64-bit computing Supports AMD Cool ‘n’ Quiet™ Technology...
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O v e r c l o c k i n g O v e r c l o c k i n g ASUS AI Overclocking (intelligent CPU frequency tuner) f e a t u r e s f e a t u r e s...
This chapter describes the motherboard features and the new technologies it supports. Product introduction A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E 1 - 1 1 - 1 1 - 1...
K 8 N 4 - E m o t h e r b o a r d ! The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards! Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.
Special features 1.3.1 1.3.1 Product highlights Product highlights 1.3.1 1.3.1 1.3.1 Product highlights Product highlights Product highlights Latest processor technology Latest processor technology Latest processor technology Latest processor technology Latest processor technology The motherboard comes with a 754-pin surface mount, Zero Insertion Force (ZIF) socket that supports AMD Athlon™...
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PCI Express™ interface PCI Express™ interface PCI Express™ interface PCI Express™ interface PCI Express™ interface The motherboard fully supports PCI Express, the latest I/O interconnect technology that speeds up the PCI bus. PCI Express features point-to-point serial interconnections between devices and allows higher clockspeeds by carrying data in packets.
ASUS Q-Fan technology ASUS Q-Fan technology ASUS Q-Fan technology The ASUS Q-Fan technology smartly adjusts the CPU fan speed according to the system loading to ensure quiet, cool, and efficient operation. See page 2-33 for details. A S U S K 8 N 4 - E...
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ASUS EZ Flash BIOS ASUS EZ Flash BIOS With the ASUS EZ Flash, you can easily update the system BIOS even before loading the operating system. No need to use a DOS-based utility or boot from a floppy disk. See page 2-8 for details.
USB 2.0 connectors K8N4-E ® Gold Arrow K8N4-E CPU Socket 754 Before installing the CPU, make sure that the socket box is facing towards you and the load lever is on your left. 1 - 1 0 1 - 1 0...
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Unlock the socket by pressing the lever sideways, then lift it up to a 90 -100 angle. S o c k e t S o c k e t S o c k e t S o c k e t S o c k e t l e v e r l e v e r...
1.6.3 1.6.3 1.6.3 Installing the heatsink and fan Installing the heatsink and fan Installing the heatsink and fan 1.6.3 1.6.3 Installing the heatsink and fan Installing the heatsink and fan The AMD Athlon™ 64FX or AMD Athlon 64™ processor require a specially designed heatsink and fan assembly to ensure optimum thermal condition and performance.
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Attach one end of the retention bracket to the retention module base. Align the other end of the retention bracket (near the retention bracket lock) to the retention module base. A clicking sound denotes that the retention bracket is in place. Make sure that the fan and heatsink assembly perfectly fits the retention mechanism...
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CPU_FAN. CPU_FAN K8N4-E ® K8N4-E CPU fan connector Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector. 1 - 1 4...
Overview The motherboard comes with four 184-pin Double Data Rate (DDR) Dual Inline Memory Modules (DIMM) sockets. The following figure illustrates the location of the sockets: K8N4-E ® K8N4-E 184-pin DDR DIMM sockets 1.7.2 1.7.2 1.7.2 Memory Configurations Memory Configurations Memory Configurations 1.7.2...
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Recommended DDR memory configurations Recommended DDR memory configurations Recommended DDR memory configurations Recommended DDR memory configurations Recommended DDR memory configurations D I M M s l o t D I M M s l o t D I M M s l o t D I M M s l o t D I M M s l o t N u m b e r...
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DDR (400 MHz) Qualified Vendors List DDR (400 MHz) Qualified Vendors List DDR (400 MHz) Qualified Vendors List DDR (400 MHz) Qualified Vendors List DDR (400 MHz) Qualified Vendors List D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t D I M M s u p p o r t...
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L e g e n d : S S - Single-sided D S - Double-sided C L - CAS Latency Visit the ASUS website (www.asus.com) for the latest DDR 400 Qualified Vendors List. 1 - 1 8 1 - 1 8...
1.7.3 1.7.3 1.7.3 Installing a DIMM Installing a DIMM Installing a DIMM 1.7.3 1.7.3 Installing a DIMM Installing a DIMM Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components.
Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
1.8.3 1.8.3 Interrupt assignments Interrupt assignments 1.8.3 1.8.3 1.8.3 Interrupt assignments Interrupt assignments Interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments I R Q I R Q P r i o r i t y P r i o r i t y S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n...
Normal Clear CMOS (Default) K8N4-E Clear RTC RAM You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values.
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(Default) USBPW56 USBPW78 USBPW910 K8N4-E ® K8N4-E USB device wake up +5VSB (Default) • The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port; otherwise, the system would not power up.
1.10 Connectors 1.10.1 1.10.1 Rear panel connectors Rear panel connectors 1.10.1 1.10.1 1.10.1 Rear panel connectors Rear panel connectors Rear panel connectors 1 . 1 . P S / 2 m o u s e p o r t ( g r e e n ) . P S / 2 m o u s e p o r t ( g r e e n ) .
K8N4-E ® PIN 1 PIN 1 K8N4-E IDE connectors A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E 1 - 2 7...
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K8N4-E ® K8N4-E SATA connectors I m p o r t a n t n o t e s o n S e r i a l A T A I m p o r t a n t n o t e s o n S e r i a l A T A...
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CPU_FAN CHA2_FAN PWR_FAN K8N4-E CHIP_FAN K8N4-E Fan connectors A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E 1 - 2 9...
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® USB56 USB78 USB910 K8N4-E USB 2.0 connectors Never connect a 1 3 9 4 c a b l e 1 3 9 4 c a b l e 1 3 9 4 c a b l e 1 3 9 4 c a b l e to the USB connectors. Doing so will...
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+12V DC EATXPWR K8N4-E ® K8N4-E ATX power connector A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E 1 - 3 1...
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K8N4-E Ground ® Left Audio Channel K8N4-E Internal audio connectors The function of these connectors are disabled under 8-channel mode. 1 0 . 1 0 . G A M E / M I D I p o r t c o n n e c t o r ( 1 6 - 1 p i n G A M E ) G A M E / M I D I p o r t c o n n e c t o r ( 1 6 - 1 p i n G A M E ) 1 0 .
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I/O module cable to this connector. FP_AUDIO K8N4-E ® K8N4-E Front panel audio connector A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E...
RESET ® PWRSW Requires an ATX power supply. K8N4-E System panel connector The sytem panel connector is color-coded for easy connection. Refer to the connector description below for details. • S y s t e m p o w e r L E D ( G r e e n 3 - p i n P L E D )
This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. BIOS setup A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E 2 - 1 2 - 1...
Save a copy of the original motherboard BIOS file to a bootable floppy disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update or AwardBIOS Flash utilities. 2.1.1 2.1.1...
AwardBIOS Flash Utility. Follow these instructions to update the BIOS using this utility. 1. Download the latest BIOS file from the ASUS web site. Rename the file to K 8 N 4 - E B . B I N K 8 N 4 - E B . B I N K 8 N 4 - E B .
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Type the BIOS file name AwardBIOS Flash Utility for ASUS V1.01 F i l e N a m e t o F i l e N a m e t o in the F i l e N a m e t o...
Make sure that the floppy disk has enough disk space to save the file. To save the current BIOS file using the AwardBIOS Flash Utility: Follow steps 1 to 6 of AwardBIOS Flash Utility for ASUS V1.01 the previous section. (C) Phoenix Technologies Ltd. All Rights Reserved...
ASUS CrashFree BIOS 2 utility ASUS CrashFree BIOS 2 utility The ASUS CrashFree BIOS 2 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can update a corrupted BIOS file using the motherboard support CD or the floppy disk that contains the updated BIOS file.
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Restart the system after the utility completes the updating process. The recovered BIOS may not be the latest BIOS version for this motherboard. Visit the ASUS website (www.asus.com) to download the latest BIOS file. A S U S K 8 N 4 - E...
ASUS EZ Flash utility ASUS EZ Flash utility The ASUS EZ Flash feature allows you to update the BIOS without having to go through the long process of booting from a floppy disk and using a DOS-based utility. The EZ Flash utility is built-in the BIOS chip so it is accessible by pressing <Alt>...
ASUS Update utility 2.1.6 2.1.6 ASUS Update utility ASUS Update utility The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows ® environment. The ASUS Update utility allows you to: • Save the current BIOS file •...
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Updating the BIOS through the Internet Updating the BIOS through the Internet Updating the BIOS through the Internet To update the BIOS through the Internet: Launch the ASUS Update utility from the Windows ® desktop by clicking S t a r t...
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A S U S U p d a t e A S U S U p d a t e A S U S U p d a t e. The ASUS Update main window appears. A S U S U p d a t e...
The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen. • Visit the ASUS website (www.asus.com) to download the latest BIOS file for this motherboard and . 2 - 1 2 2 - 1 2...
2.2.3 2.2.3 2.2.3 Legend bar Legend bar Legend bar 2.2.3 2.2.3 Legend bar Legend bar At the bottom of the Setup screen is a legend bar. The keys in the legend bar allow you to navigate through the various setup menus. The following table lists the keys found in the legend bar with their corresponding functions.
Item Specific Help Legacy Diskette A: [1.44M, 3.5 in.] Change the day, month, year and century. Primary IDE Master [ST321122A] Primary IDE Slave [ASUS CDS520/A] Secondary IDE Master [None] Secondary IDE Slave [None] First SATA Master [None] Second SATA Slave...
2.3.5 2.3.5 2.3.5 Primary and Secondary IDE Master/Slave Primary and Secondary IDE Master/Slave Primary and Secondary IDE Master/Slave 2.3.5 2.3.5 Primary and Secondary IDE Master/Slave Primary and Secondary IDE Master/Slave While entering Setup, the BIOS automatically detects the presence of IDE devices.
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Capacity Capacity Capacity Capacity Capacity Displays the auto-detected hard disk capacity. This item is not configurable. Cylinder Cylinder Cylinder Cylinder Cylinder Shows the number of the hard disk cylinders. This item is not configurable. H e a d H e a d H e a d H e a d H e a d...
2.3.6 2.3.6 2.3.6 First, Second, Third, Fourth SATA Master First, Second, Third, Fourth SATA Master First, Second, Third, Fourth SATA Master 2.3.6 2.3.6 First, Second, Third, Fourth SATA Master First, Second, Third, Fourth SATA Master While entering Setup, the BIOS automatically detects the presence of Serial ATA devices.
H e a d H e a d H e a d H e a d H e a d Shows the number of the hard disk read/write heads. This item is not configurable. Precomp Precomp Precomp Precomp Precomp Shows the number of precomp per track. This item is not configurable. Landing Zone Landing Zone Landing Zone...
Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. Phoenix-Award BIOS CMOS Setup Utility Main Advanced Power...
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Overclock Options [Disable] Overclock Options [Disable] Overclock Options [Disable] Overclock Options [Disable] Overclock Options [Disable] Allows you to disable or set the oveclocking options. The Overclock Options item is user-configurable only when the O v e r c l o c k P r o f i l e O v e r c l o c k P r o f i l e O v e r c l o c k P r o f i l e is set O v e r c l o c k P r o f i l e...
2.4.2 2.4.2 LAN Cable Status LAN Cable Status 2.4.2 2.4.2 2.4.2 LAN Cable Status LAN Cable Status LAN Cable Status The items in this menu displays the status of the Local Area Network (LAN) cable. Phoenix-Award BIOS CMOS Setup Utility Advanced LAN Cable Status Select Menu...
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Timing Mode [Auto] Sets the timing mode. Configuration options: [Auto] [Manual] Memclock index value (Mhz) [200Mhz] Sets the memory clock index value. Configuration options: [100Mhz] [133Mhz] [166Mhz] [200Mhz] CAS# latency (Tcl) [2.5] Sets the CAS# latency. Configuration options: [2] [2.5] [3] Min RAS# active time (Tras) [9T] Sets the minimum RAS# active time.
IRQ-xx assigned to When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration options: [PCI Device] [Reserved] 2.4.5 2.4.5 Onboard Devices Configuration Onboard Devices Configuration 2.4.5 2.4.5...
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IDE DMA transfer access [Enabled] IDE DMA transfer access [Enabled] IDE DMA transfer access [Enabled] IDE DMA transfer access [Enabled] IDE DMA transfer access [Enabled] Allows you to enable or disable the IDE DMA transfer access. Configuration options: [Disabled] [Enabled] SATA Port 1, 2 [Enabled] SATA Port 1, 2 [Enabled] SATA Port 1, 2 [Enabled]...
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IDE Primary, Secondary Master/Slave RAID [Disabled] IDE Primary, Secondary Master/Slave RAID [Disabled] IDE Primary, Secondary Master/Slave RAID [Disabled] IDE Primary, Secondary Master/Slave RAID [Disabled] IDE Primary, Secondary Master/Slave RAID [Disabled] Enables or disables the RAID function of the primary or secondary master or slave IDE.
Instant Music [Disabled] Instant Music [Disabled] Instant Music [Disabled] Instant Music [Disabled] Allows you to enable or disable the ASUS Instant Music feature. Configuration options: [Disabled] [Enabled] Enabling Instant Music automatically disables the PS/2 keyboard power up feature. A S U S K 8 N 4 - E...
Instant Music CD-ROM Drive [Primary Master] Instant Music CD-ROM Drive [Primary Master] Instant Music CD-ROM Drive [Primary Master] Instant Music CD-ROM Drive [Primary Master] Instant Music CD-ROM Drive [Primary Master] Allows you to select the CD-ROM drive that you wish to use for the Instant Music CD playback.
2.5.3 2.5.3 2.5.3 APM Configuration APM Configuration APM Configuration 2.5.3 2.5.3 APM Configuration APM Configuration Phoenix-Award BIOS CMOS Setup Utility Power APM Configuration Select Menu Restore on AC Power Loss [Disabled] Item Specific Help PWR Button < 4 secs [Instant Off] Power On By PCI Devices [Disabled] Press [ENTER] to...
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Power On By RTC Alarm [Disabled] Power On By RTC Alarm [Disabled] Power On By RTC Alarm [Disabled] Power On By RTC Alarm [Disabled] Power On By RTC Alarm [Disabled] Allows you to enable or disable RTC to generate a wake event. When this item is set to Enabled, the items Date of Month Alarm and Time (hh:mm:ss) Alarm items become user-configurable with set values.
2.5.4 2.5.4 2.5.4 Hardware Monitor Hardware Monitor Hardware Monitor 2.5.4 2.5.4 Hardware Monitor Hardware Monitor The items in this sub-menu displays the hardware monitor values automatically detected by the BIOS. It also allows you to change CPU Q-Fan feature-related parameters. Select an item then press <Enter> to display the configuration options.
CPU Target Temperature CPU Target Temperature CPU Target Temperature CPU Target Temperature CPU Target Temperature Allows you to set the temperature threshold before the CPU fan rotates at full speed. Configuration options: [51ºC] [54ºC] [57ºC] [60ºC] [63ºC] [66ºC] [69ºC] [72ºC] [75ºC] [78ºC] [81ºC] CPU Fan Speed warning CPU Fan Speed warning CPU Fan Speed warning...
• Make sure that the above item is set to [Enabled] if you want to use the ASUS MyLogo2™ feature. • See section “3.3.1 ASUS MyLogo2™” for details. Halt On [All Errors] Halt On [All Errors] Halt On [All Errors]...
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When prompted, confirm the password by typing the exact characters again, then press <Enter>. The password field setting is changed to Set. To clear the password: Select the password field and press <Enter> twice. The following message appears: PASSWORD DISABLED !!! Press any key to continue...
Exit menu The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard your changes to the BIOS items. Phoenix-Award BIOS CMOS Setup Utility Main Advanced Power Boot Exit Select Menu Exit &...
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Load Setup Defaults Load Setup Defaults Load Setup Defaults Load Setup Defaults Load Setup Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you Y E S Y E S press <F5>, a confirmation window appears.
This chapter describes the contents of the support CD that comes with the motherboard package. Software support A S U S K 8 N 4 - E A S U S K 8 N 4 - E A S U S K 8 N 4 - E 3 - 1 3 - 1 3 - 1...
The support CD that came with the motherboard package contains the drivers, software applications, and utilities that you can install to avail all motherboard features. The contents of the support CD are subject to change at any time without notice. Visit the ASUS website(www.asus.com) for updates. 3.2.1 3.2.1 3.2.1...
3.2.2 3.2.2 3.2.2 Drivers menu Drivers menu Drivers menu 3.2.2 3.2.2 Drivers menu Drivers menu The drivers menu shows the available device drivers if the system detects installed devices. Install the necessary drivers to activate the devices. Nvidia Chipset Driver Program Nvidia Chipset Driver Program Nvidia Chipset Driver Program Nvidia Chipset Driver Program...
ASUS Update ASUS Update ASUS Update Allows you to download the latest version of the BIOS from the ASUS website. Before using the ASUS Update, make sure that you have an Internet connection so you can connect to the ASUS website.
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Cool ‘n’ Quiet! software. ASUS AI Booster ASUS AI Booster ASUS AI Booster ASUS AI Booster ASUS AI Booster The ASUS AI Booster application allows you to overclock the CPU speed in a Windows® environment. Anti-virus Utility Anti-virus Utility Anti-virus Utility Anti-virus Utility...
Click the C o n t a c t C o n t a c t C o n t a c t tab to display the ASUS contact information. You can also find this information on the inside front cover of this user guide.