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... ("GPL") and under various Free Open Source Software licenses. This offer is eager to infringe. ii SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. The GPL and LGPL licensed code in the GPL) for...
... ("GPL") and under various Free Open Source Software licenses. This offer is eager to infringe. ii SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. The GPL and LGPL licensed code in the GPL) for...
User Manual
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... to 10 USB 2.0/1.1 ports (6 ports at mid-board, 4 ports at the back panel) 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x LAN (RJ-45) port 1 x COM port 4 x USB 2.0/1.1 ports 1 x LPT port 3 x Audio jacks (continued on the next page) ix M4N68T specifications summary CPU Chipset Front side bus Memory Expansion slots Storage / RAID LAN Audio USB Back panel I/O ports AMD® Socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series processors AMD® Cool 'n' Quiet™ Technology AMD 64 architecture enables simultaneous 32-bit and 64-bit computing...
... to 10 USB 2.0/1.1 ports (6 ports at mid-board, 4 ports at the back panel) 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x LAN (RJ-45) port 1 x COM port 4 x USB 2.0/1.1 ports 1 x LPT port 3 x Audio jacks (continued on the next page) ix M4N68T specifications summary CPU Chipset Front side bus Memory Expansion slots Storage / RAID LAN Audio USB Back panel I/O ports AMD® Socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series processors AMD® Cool 'n' Quiet™ Technology AMD 64 architecture enables simultaneous 32-bit and 64-bit computing...
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...4 x SATA connectors 1 x CPU fan connector 1 x Chassis fan connector 1 x High definition front panel audio connector 1 x S/PDIF_OUT connector 1 x IDE connector 1 x Internal speaker connector 1 x System panel connector 1 x 24-pin ATX power connector 1 x 4-pin ATX 12V power connector 8Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, ACPI2.0a, SM BIOS 2.5 ASUS EPU-4 Engine ASUS Express Gate ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS AI NET2 ASUS MyLogo2 ASUS Turbo Key SFS (Stepless Frequency Selection) - PCIe frequency tuning from 200MHz to change without notice. M4N68T specifications...
...4 x SATA connectors 1 x CPU fan connector 1 x Chassis fan connector 1 x High definition front panel audio connector 1 x S/PDIF_OUT connector 1 x IDE connector 1 x Internal speaker connector 1 x System panel connector 1 x 24-pin ATX power connector 1 x 4-pin ATX 12V power connector 8Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, ACPI2.0a, SM BIOS 2.5 ASUS EPU-4 Engine ASUS Express Gate ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS AI NET2 ASUS MyLogo2 ASUS Turbo Key SFS (Stepless Frequency Selection) - PCIe frequency tuning from 200MHz to change without notice. M4N68T specifications...
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... access to the Internet and key applications before entering the Windows® OS. • ASUS Express Gate supports installation on SATA HDDs, USB HDDs and flash drives with at least 1.2GB free disk space. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to USB drives only. It supports file downloading to update the BIOS from SATA HDDs, ODDs and USB drives. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an ASUS exclusive OS that contains the BIOS file. ASUS MyLogo2™ Turn your favorite photos into an overclocking button. ASUS M4N68T 1-3 After the easy setup, Turbo Key...
... access to the Internet and key applications before entering the Windows® OS. • ASUS Express Gate supports installation on SATA HDDs, USB HDDs and flash drives with at least 1.2GB free disk space. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to USB drives only. It supports file downloading to update the BIOS from SATA HDDs, ODDs and USB drives. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an ASUS exclusive OS that contains the BIOS file. ASUS MyLogo2™ Turn your favorite photos into an overclocking button. ASUS M4N68T 1-3 After the easy setup, Turbo Key...
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...card inoperable. 1.8.3 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with it by adjusting the software settings. 1. Unplug the power cord before adding or removing expansion cards. Align the card connector with the screw you physical injury and damage motherboard components. 1.8.1 Installing an expansion card To install an expansion card: 1. Replace the system cover. 1.8.2 Configuring...
...card inoperable. 1.8.3 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with it by adjusting the software settings. 1. Unplug the power cord before adding or removing expansion cards. Align the card connector with the screw you physical injury and damage motherboard components. 1.8.1 Installing an expansion card To install an expansion card: 1. Replace the system cover. 1.8.2 Configuring...
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...ASUS M4N68T 1-27 DO NOT place jumper caps on the motherboard, ensuring that the audio device of the connector. 8. Only the 4-pin CPU fan connector supports the ASUS Q-Fan feature. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the fan connectors. M4N68T CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND CHA_FAN Rotation +12V GND M4N68T fan connectors DO NOT forget to connect the fan cables to configure the setting. Go to Start > Control Panel > Sounds and Audio Devices > Sound Playback to the fan connectors...
...ASUS M4N68T 1-27 DO NOT place jumper caps on the motherboard, ensuring that the audio device of the connector. 8. Only the 4-pin CPU fan connector supports the ASUS Q-Fan feature. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the fan connectors. M4N68T CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND CHA_FAN Rotation +12V GND M4N68T fan connectors DO NOT forget to connect the fan cables to configure the setting. Go to Start > Control Panel > Sounds and Audio Devices > Sound Playback to the fan connectors...
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... Service Pack 1 or later versions before installing the drivers for better compatibility and system stability. 1.11.2 Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to your hardware. • Motherboard settings and hardware options vary. To run the DVD. 1-28 Chapter 1: Product introduction Refer to avail all motherboard features. 1.11 Software support 1.11.1 Installing an operating system This motherboard supports Windows...
... Service Pack 1 or later versions before installing the drivers for better compatibility and system stability. 1.11.2 Support DVD information The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to your hardware. • Motherboard settings and hardware options vary. To run the DVD. 1-28 Chapter 1: Product introduction Refer to avail all motherboard features. 1.11 Software support 1.11.1 Installing an operating system This motherboard supports Windows...
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... motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the support DVD that comes with the motherboard package. Quit all its features. Copy the original motherboard BIOS using this utility. Click the Utilities tab, then click ASUS Update. 3. Place the support DVD into the optical drive. c. ASUS M4N68T 2-1 From the FTP site, select the BIOS version that allows you to download then click Next. The Drivers menu appears. 2. From the Windows® desktop...
... motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the support DVD that comes with the motherboard package. Quit all its features. Copy the original motherboard BIOS using this utility. Click the Utilities tab, then click ASUS Update. 3. Place the support DVD into the optical drive. c. ASUS M4N68T 2-1 From the FTP site, select the BIOS version that allows you to download then click Next. The Drivers menu appears. 2. From the Windows® desktop...
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... Flash 2 feature allows you start using EZ Flash 2: 1. Go to the Tools menu to select EZ Flash 2 and press to the USB port, then launch EZ Flash 2 in either of these two ways: • Press + during POST. • Enter the BIOS setup program. Locate the BIOS file from a file, then click Next. Insert the USB flash disk that contains the latest BIOS file to enable it. 2. ASUSTek EZ Flash 2 BIOS ROM Utility V3.44 FLASH TYPE: MXIC 25L8005 Current ROM BOARD: M4N68T...
... Flash 2 feature allows you start using EZ Flash 2: 1. Go to the Tools menu to select EZ Flash 2 and press to the USB port, then launch EZ Flash 2 in either of these two ways: • Press + during POST. • Enter the BIOS setup program. Locate the BIOS file from a file, then click Next. Insert the USB flash disk that contains the latest BIOS file to enable it. 2. ASUSTek EZ Flash 2 BIOS ROM Utility V3.44 FLASH TYPE: MXIC 25L8005 Current ROM BOARD: M4N68T...
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... ASUS CrashFree BIOS supports vary with motherboard models. DO NOT shut down or reset the system while updating the BIOS! Refer to the floppy disk drive, if supported. 3. 2.1.3 ASUS CrashFree BIOS utility The ASUS CrashFree BIOS is found, the utility reads it on the system. 2. You can cause system boot failure! Download the latest BIOS file from the ASUS website at www.asus.com. • The removable devices that contains the BIOS file to the USB port or to section 2.8 Exit menu...
... ASUS CrashFree BIOS supports vary with motherboard models. DO NOT shut down or reset the system while updating the BIOS! Refer to the floppy disk drive, if supported. 3. 2.1.3 ASUS CrashFree BIOS utility The ASUS CrashFree BIOS is found, the utility reads it on the system. 2. You can cause system boot failure! Download the latest BIOS file from the ASUS website at www.asus.com. • The removable devices that contains the BIOS file to the USB port or to section 2.8 Exit menu...
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... [Enabled] Serial-ATA Devices [SATA1,2,3,4] Configuration options: [Disabled] [SATA 1,2] [SATA1,2,3,4] nVidia RAID Function [Disabled] Enables or disables the nVidia RAID function. Select Screen Select Item +- 2.3 Main menu When you enter the BIOS Setup program, the Main menu screen appears, giving you to configure your storage devices. Onboard IDE Controller [Enabled] Enables or disables the onboard IDE port. Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and how to display the submenu. Configuration options: [Disabled] [Enabled] ASUS M4N68T...
... [Enabled] Serial-ATA Devices [SATA1,2,3,4] Configuration options: [Disabled] [SATA 1,2] [SATA1,2,3,4] nVidia RAID Function [Disabled] Enables or disables the nVidia RAID function. Select Screen Select Item +- 2.3 Main menu When you enter the BIOS Setup program, the Main menu screen appears, giving you to configure your storage devices. Onboard IDE Controller [Enabled] Enables or disables the onboard IDE port. Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and how to display the submenu. Configuration options: [Disabled] [Enabled] ASUS M4N68T...
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... IDE device type. Configuration options: [Auto] SMART Monitoring [Auto] Sets the Smart Monitoring, Analysis, and Reporting Technology. When this item is a separate submenu for each IDE/SATA device. Configuration options: [Auto] [Disabled] [Enabled] 32Bit Data Transfer [Enabled] Enables or disables 32-bit data transfer. Configuration options: [Disabled] [Enabled] 2-8 Chapter 2: BIOS information These items show Not Detected if no IDE/SATA device is either a ZIP, LS-120, or MO drive. Select [ARMD] (ATAPI Removable Media Device) if your device is installed in the Primary IDE...
... IDE device type. Configuration options: [Auto] SMART Monitoring [Auto] Sets the Smart Monitoring, Analysis, and Reporting Technology. When this item is a separate submenu for each IDE/SATA device. Configuration options: [Auto] [Disabled] [Enabled] 32Bit Data Transfer [Enabled] Enables or disables 32-bit data transfer. Configuration options: [Disabled] [Enabled] 2-8 Chapter 2: BIOS information These items show Not Detected if no IDE/SATA device is either a ZIP, LS-120, or MO drive. Select [ARMD] (ATAPI Removable Media Device) if your device is installed in the Primary IDE...
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... CPU overclocking options to malfunction. Configuration options: [Manual] [Auto] [Standard] [Overclock Profile] ASUS M4N68T 2-9 System Memory Displays the auto-detected system memory. 2.4 Advanced menu The Advanced menu items allow you an overview of the Advanced menu items. Incorrect field values can cause the system to achieve desired CPU internal frequency. Main Advanced Advanced Settings Power BIOS SETUP UTILITY Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Adjust System Frequency/Voltage etc. Change...
... CPU overclocking options to malfunction. Configuration options: [Manual] [Auto] [Standard] [Overclock Profile] ASUS M4N68T 2-9 System Memory Displays the auto-detected system memory. 2.4 Advanced menu The Advanced menu items allow you an overview of the Advanced menu items. Incorrect field values can cause the system to achieve desired CPU internal frequency. Main Advanced Advanced Settings Power BIOS SETUP UTILITY Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Adjust System Frequency/Voltage etc. Change...
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... set CPU Overclocking to [Manual]. Use / keys to adjust the ratio. Configuration options: [Min.=100] [Max.=150] Processor Frequency Multiplier [Auto] Sets the processor frequency multiplier. Configuration options: [Auto] �[M���in �g��o�n��y�o�u��r�C��P�U� model. CPU/HT Reference Clock (MHz) [200] Sets the CPU/HT Reference Clock. Configuration options: [Auto] 2-10 Chapter 2: BIOS information The following item only appears when you set PCIE...
... set CPU Overclocking to [Manual]. Use / keys to adjust the ratio. Configuration options: [Min.=100] [Max.=150] Processor Frequency Multiplier [Auto] Sets the processor frequency multiplier. Configuration options: [Auto] �[M���in �g��o�n��y�o�u��r�C��P�U� model. CPU/HT Reference Clock (MHz) [200] Sets the CPU/HT Reference Clock. Configuration options: [Auto] 2-10 Chapter 2: BIOS information The following item only appears when you set PCIE...
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... Updation. Configuration options: [Disabled] [Auto] Channel Interleaving [XOR of Address bits [20:16, 9]] Enable Clock to All DIMMs [Disabled] Enables unused Clocks to select the unganged DRAM mode (64-bit width). Configuration options: [Disabled] [Enabled] Secure Virtual Machine Mode [Disabled] Enables or disables Secure Virtual Machine Mode (SVM). Configuration options: [Disabled] [Enabled] Cool 'n' Quiet [Enabled] Enables or disables the AMD® Cool 'n' Quiet technology. Configuration options: [Enabled] [Disabled] 2.4.3 Chipset NorthBridge Configuration Memory Configuration...
... Updation. Configuration options: [Disabled] [Auto] Channel Interleaving [XOR of Address bits [20:16, 9]] Enable Clock to All DIMMs [Disabled] Enables unused Clocks to select the unganged DRAM mode (64-bit width). Configuration options: [Disabled] [Enabled] Secure Virtual Machine Mode [Disabled] Enables or disables Secure Virtual Machine Mode (SVM). Configuration options: [Disabled] [Enabled] Cool 'n' Quiet [Enabled] Enables or disables the AMD® Cool 'n' Quiet technology. Configuration options: [Enabled] [Disabled] 2.4.3 Chipset NorthBridge Configuration Memory Configuration...
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...[Auto]. Configuration options: [HD Audio] [AC97] MAC LAN [Auto] Enables or disables the onboard LAN controller. Configuration options: [Auto] [Disabled] OnBoard LAN Boot ROM [Disabled] This item appears only when the MAC LAN item is set to [Auto]. Configuration options: [Auto] [Disabled] Front Panel Select [HD Audio] This item appears only when the Azalia Audio item is set the ECC mode. Configuration options: [Disabled] [Enabled] ASUS M4N68T 2-13 Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User] SouthBridge Configuration Primary Graphics Adapter [PCIE -> PCI...
...[Auto]. Configuration options: [HD Audio] [AC97] MAC LAN [Auto] Enables or disables the onboard LAN controller. Configuration options: [Auto] [Disabled] OnBoard LAN Boot ROM [Disabled] This item appears only when the MAC LAN item is set to [Auto]. Configuration options: [Auto] [Disabled] Front Panel Select [HD Audio] This item appears only when the Azalia Audio item is set the ECC mode. Configuration options: [Disabled] [Enabled] ASUS M4N68T 2-13 Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User] SouthBridge Configuration Primary Graphics Adapter [PCIE -> PCI...
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...disabled. Configuration options: [Disabled] [Enabled] [Auto] USB 2.0 Controller Mode [HiSpeed] Allows you to set the emulation type. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CDROM] ASUS M4N68T 2-15 Configuration options: [Disabled] [Enabled] Legacy USB Support [Auto] Allows you to enable or disable support for the USB storage device to initialize. USB Mass Storage Device Configuration USB Mass Storage Reset Delay [20 Sec] Sets the maximum time that the BIOS waits for Legacy USB storage devices, including USB flash drives and USB hard drives. Configuration options...
...disabled. Configuration options: [Disabled] [Enabled] [Auto] USB 2.0 Controller Mode [HiSpeed] Allows you to set the emulation type. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CDROM] ASUS M4N68T 2-15 Configuration options: [Disabled] [Enabled] Legacy USB Support [Auto] Allows you to enable or disable support for the USB storage device to initialize. USB Mass Storage Device Configuration USB Mass Storage Reset Delay [20 Sec] Sets the maximum time that the BIOS waits for Legacy USB storage devices, including USB flash drives and USB hard drives. Configuration options...
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... Interrupt Controller (APIC). Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Power Settings Suspend Mode [Auto] ACPI 2.0 Support [Enabled] ACPI APIC Support [Enabled] Select the ACPI state used for system suspend. APM Configuration HW Monitor Configuration Select Screen Select Item +- Configuration options: [S1 (POS) Only] [S3 Only] [Auto] 2.5.2 ACPI 2.0 Support [Enabled] Allows you to generate a wake event. Configuration options: [Power Off] [Power On] [Last State] Power on By Ring [Disabled] Enables or disables ring to wake the system through a PCI Express/ PCI card...
... Interrupt Controller (APIC). Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Power Settings Suspend Mode [Auto] ACPI 2.0 Support [Enabled] ACPI APIC Support [Enabled] Select the ACPI state used for system suspend. APM Configuration HW Monitor Configuration Select Screen Select Item +- Configuration options: [S1 (POS) Only] [S3 Only] [Auto] 2.5.2 ACPI 2.0 Support [Enabled] Allows you to generate a wake event. Configuration options: [Power Off] [Power On] [Last State] Power on By Ring [Disabled] Enables or disables ring to wake the system through a PCI Express/ PCI card...
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Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Boot Settings Boot Device Priority Boot Settings Configuration Security Specifies the Boot Device Priority sequence. Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] • To select the boot device during system startup, press when ASUS logo appears. • To access Windows OS in Safe Mode, do any of the following: • Press when ASUS logo appears. • Press after POST. 2.6.2 Boot Settings Configuration Quick Boot [Enabled] Enabling this item allows the BIOS to skip some power on the ...
Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Boot Settings Boot Device Priority Boot Settings Configuration Security Specifies the Boot Device Priority sequence. Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] • To select the boot device during system startup, press when ASUS logo appears. • To access Windows OS in Safe Mode, do any of the following: • Press when ASUS logo appears. • Press after POST. 2.6.2 Boot Settings Configuration Quick Boot [Enabled] Enabling this item allows the BIOS to skip some power on the ...
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..., American Megatrends, Inc. 2.7.1 ASUS EZ Flash 2 Allows you to configure options for user action. ASUS Express Gate is useful in the rare case where corrupt settings prevent the Express Gate environment from launching properly. 2.7 Tools menu The Tools menu items allow you to run ASUS EZ Flash 2. Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit ASUS EZ Flash 2 Express Gate Enter OS Timer Reset User Data [Auto] [10 Seconds] [No] Press ENTER to select and update BIOS. The first time...
..., American Megatrends, Inc. 2.7.1 ASUS EZ Flash 2 Allows you to configure options for user action. ASUS Express Gate is useful in the rare case where corrupt settings prevent the Express Gate environment from launching properly. 2.7 Tools menu The Tools menu items allow you to run ASUS EZ Flash 2. Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit ASUS EZ Flash 2 Express Gate Enter OS Timer Reset User Data [Auto] [10 Seconds] [No] Press ENTER to select and update BIOS. The first time...